diff --git a/.bazelci/presubmit.yml b/.bazelci/presubmit.yml
index 60131d4..5a10d60 100644
--- a/.bazelci/presubmit.yml
+++ b/.bazelci/presubmit.yml
@@ -17,6 +17,7 @@
   - "-//tools/rust_analyzer/..."
   - "-//test/rustfmt/..."
 crate_universe_vendor_example_targets: &crate_universe_vendor_example_targets
+  - "//vendor_external:crates_vendor"
   - "//vendor_local_manifests:crates_vendor"
   - "//vendor_local_pkgs:crates_vendor"
   - "//vendor_remote_manifests:crates_vendor_manifests"
diff --git a/crate_universe/private/crates_vendor.bzl b/crate_universe/private/crates_vendor.bzl
index db8a2d0..23c4c6c 100644
--- a/crate_universe/private/crates_vendor.bzl
+++ b/crate_universe/private/crates_vendor.bzl
@@ -9,7 +9,10 @@
 #!/usr/bin/env bash
 set -euo pipefail
 export RUNTIME_PWD="$(pwd)"
-eval exec env - BUILD_WORKSPACE_DIRECTORY="${{BUILD_WORKSPACE_DIRECTORY}}" {env} \\
+if [[ -z "${{BAZEL_REAL:-}}" ]]; then
+    BAZEL_REAL="$(which bazel || echo 'bazel')"
+fi
+eval exec env - BAZEL_REAL="${{BAZEL_REAL}}" BUILD_WORKSPACE_DIRECTORY="${{BUILD_WORKSPACE_DIRECTORY}}" {env} \\
 "{bin}" {args} "$@"
 """
 
@@ -55,6 +58,35 @@
     )
     return file
 
+def _prepare_manifest_path(target):
+    """Generate manifest paths that are resolvable by `cargo_bazel::SplicingManifest::resolve`
+
+    Args:
+        target (Target): A `crate_vendor.manifest` target
+
+    Returns:
+        str: A string representing the path to a manifest.
+    """
+    files = target[DefaultInfo].files.to_list()
+    if len(files) != 1:
+        fail("The manifest {} hand an unexpected number of files: {}".format(
+            target.label,
+            files,
+        ))
+
+    manifest = files[0]
+
+    if target.label.workspace_root.startswith("external"):
+        # The short path of an external file is expected to start with `../`
+        if not manifest.short_path.startswith("../"):
+            fail("Unexpected shortpath for {}: {}".format(
+                manifest,
+                manifest.short_path,
+            ))
+        return manifest.short_path.replace("../", "${output_base}/external/", 1)
+
+    return "${build_workspace_directory}/" + manifest.short_path
+
 def _write_splicing_manifest(ctx):
     # Deserialize information about direct packges
     direct_packages_info = {
@@ -64,12 +96,11 @@
     }
 
     # Manifests are required to be single files
-    manifests = {m[DefaultInfo].files.to_list()[0].short_path: str(m.label) for m in ctx.attr.manifests}
+    manifests = {_prepare_manifest_path(m): str(m.label) for m in ctx.attr.manifests}
 
     config = json.decode(ctx.attr.splicing_config or splicing_config())
     splicing_manifest_content = {
-        # TODO: How do cargo config files get factored into vendored builds
-        "cargo_config": None,
+        "cargo_config": _prepare_manifest_path(ctx.attr.cargo_config) if ctx.attr.cargo_config else None,
         "direct_packages": direct_packages_info,
         "manifests": manifests,
     }
@@ -86,7 +117,7 @@
     is_windows = _is_windows(ctx)
 
     args = ["--splicing-manifest", _runfiles_path(manifest.short_path, is_windows)]
-    runfiles = [manifest]
+    runfiles = [manifest] + ctx.files.manifests + ([ctx.file.cargo_config] if ctx.attr.cargo_config else [])
     return args, runfiles
 
 def _write_extra_manifests_manifest(ctx):
@@ -298,6 +329,10 @@
             allow_files = True,
             default = CARGO_BAZEL_LABEL,
         ),
+        "cargo_config": attr.label(
+            doc = "A [Cargo configuration](https://doc.rust-lang.org/cargo/reference/config.html) file.",
+            allow_single_file = True,
+        ),
         "generate_build_scripts": attr.bool(
             doc = (
                 "Whether or not to generate " +
diff --git a/crate_universe/src/cli/vendor.rs b/crate_universe/src/cli/vendor.rs
index 68e107f..3e31cfe 100644
--- a/crate_universe/src/cli/vendor.rs
+++ b/crate_universe/src/cli/vendor.rs
@@ -1,6 +1,7 @@
 //! The cli entrypoint for the `vendor` subcommand
 
 use std::collections::BTreeSet;
+use std::env;
 use std::fs;
 use std::path::{Path, PathBuf};
 use std::process::{self, ExitStatus};
@@ -58,6 +59,10 @@
     #[clap(long)]
     pub extra_manifests_manifest: PathBuf,
 
+    /// The path to a bazel binary
+    #[clap(long, env = "BAZEL_REAL", default_value = "bazel")]
+    pub bazel: PathBuf,
+
     /// The directory in which to build the workspace. A `Cargo.toml` file
     /// should always be produced within this directory.
     #[clap(long, env = "BUILD_WORKSPACE_DIRECTORY")]
@@ -83,12 +88,37 @@
     Ok(status)
 }
 
+/// Query the Bazel output_base to determine the location of external repositories.
+fn locate_bazel_output_base(bazel: &Path, workspace_dir: &Path) -> Result<PathBuf> {
+    // Allow a predefined environment variable to take precedent. This
+    // solves for the specific needs of Bazel CI on Github.
+    if let Ok(output_base) = env::var("OUTPUT_BASE") {
+        return Ok(PathBuf::from(output_base));
+    }
+
+    let output = process::Command::new(bazel)
+        .current_dir(workspace_dir)
+        .args(["info", "output_base"])
+        .output()
+        .context("Failed to query the Bazel workspace's `output_base`")?;
+
+    if !output.status.success() {
+        bail!(output.status)
+    }
+
+    Ok(PathBuf::from(
+        String::from_utf8_lossy(&output.stdout).trim(),
+    ))
+}
+
 pub fn vendor(opt: VendorOptions) -> Result<()> {
+    let output_base = locate_bazel_output_base(&opt.bazel, &opt.workspace_dir)?;
+
     // Load the all config files required for splicing a workspace
-    let splicing_manifest =
-        SplicingManifest::try_from_path(&opt.splicing_manifest)?.absoulutize(&opt.workspace_dir);
+    let splicing_manifest = SplicingManifest::try_from_path(&opt.splicing_manifest)?
+        .resolve(&opt.workspace_dir, &output_base);
     let extra_manifests_manifest =
-        ExtraManifestsManifest::try_from_path(opt.extra_manifests_manifest)?.absoulutize();
+        ExtraManifestsManifest::try_from_path(opt.extra_manifests_manifest)?.absolutize();
 
     let temp_dir = tempfile::tempdir().context("Failed to create temporary directory")?;
 
@@ -98,7 +128,7 @@
         splicing_manifest,
         extra_manifests_manifest,
     )
-    .context("Failed to crate splicer")?;
+    .context("Failed to create splicer")?;
 
     // Splice together the manifest
     let manifest_path = splicer
diff --git a/crate_universe/src/splicing.rs b/crate_universe/src/splicing.rs
index 74e012e..cb7d698 100644
--- a/crate_universe/src/splicing.rs
+++ b/crate_universe/src/splicing.rs
@@ -65,33 +65,35 @@
         Self::from_str(&content).context("Failed to load SplicingManifest")
     }
 
-    pub fn absoulutize(self, relative_to: &Path) -> Self {
+    pub fn resolve(self, workspace_dir: &Path, output_base: &Path) -> Self {
         let Self {
             manifests,
             cargo_config,
             ..
         } = self;
 
+        let workspace_dir_str = workspace_dir.to_string_lossy();
+        let output_base_str = output_base.to_string_lossy();
+
         // Ensure manifests all have absolute paths
         let manifests = manifests
             .into_iter()
             .map(|(path, label)| {
-                if !path.is_absolute() {
-                    let path = relative_to.join(path);
-                    (path, label)
-                } else {
-                    (path, label)
-                }
+                let resolved_path = path
+                    .to_string_lossy()
+                    .replace("${build_workspace_directory}", &workspace_dir_str)
+                    .replace("${output_base}", &output_base_str);
+                (PathBuf::from(resolved_path), label)
             })
             .collect();
 
         // Ensure the cargo config is located at an absolute path
         let cargo_config = cargo_config.map(|path| {
-            if !path.is_absolute() {
-                relative_to.join(path)
-            } else {
-                path
-            }
+            let resolved_path = path
+                .to_string_lossy()
+                .replace("${build_workspace_directory}", &workspace_dir_str)
+                .replace("${output_base}", &output_base_str);
+            PathBuf::from(resolved_path)
         });
 
         Self {
@@ -168,7 +170,7 @@
         Self::from_str(&content).context("Failed to load ExtraManifestsManifest")
     }
 
-    pub fn absoulutize(self) -> Self {
+    pub fn absolutize(self) -> Self {
         self
     }
 }
@@ -511,17 +513,28 @@
 
         let manifest: SplicingManifest = serde_json::from_str(&content).unwrap();
 
+        // Check manifests
+        assert_eq!(
+            manifest.manifests,
+            BTreeMap::from([
+                (
+                    PathBuf::from("${build_workspace_directory}/submod/Cargo.toml"),
+                    Label::from_str("//submod:Cargo.toml").unwrap()
+                ),
+                (
+                    PathBuf::from("${output_base}/external_crate/Cargo.toml"),
+                    Label::from_str("@external_crate//:Cargo.toml").unwrap()
+                ),
+                (
+                    PathBuf::from("/tmp/abs/path/workspace/Cargo.toml"),
+                    Label::from_str("//:Cargo.toml").unwrap()
+                ),
+            ])
+        );
+
         // Check splicing configs
         assert_eq!(manifest.resolver_version, cargo_toml::Resolver::V2);
 
-        // Check manifests
-        assert_eq!(manifest.manifests.len(), 1);
-        let maniefst_label = manifest
-            .manifests
-            .get(&PathBuf::from("/tmp/abs/path/workspace/Cargo.toml"))
-            .unwrap();
-        assert_eq!(maniefst_label, &Label::from_str("//:Cargo.toml").unwrap());
-
         // Check packages
         assert_eq!(manifest.direct_packages.len(), 1);
         let package = manifest.direct_packages.get("rand").unwrap();
@@ -541,4 +554,48 @@
             Some(PathBuf::from("/tmp/abs/path/workspace/.cargo/config.toml"))
         );
     }
+
+    #[test]
+    fn splicing_manifest_resolve() {
+        let runfiles = runfiles::Runfiles::create().unwrap();
+        let path = runfiles.rlocation(
+            "rules_rust/crate_universe/test_data/serialized_configs/splicing_manifest.json",
+        );
+
+        let content = std::fs::read_to_string(path).unwrap();
+
+        let mut manifest: SplicingManifest = serde_json::from_str(&content).unwrap();
+        manifest.cargo_config = Some(PathBuf::from(
+            "${build_workspace_directory}/.cargo/config.toml",
+        ));
+        manifest = manifest.resolve(
+            &PathBuf::from("/tmp/abs/path/workspace"),
+            &PathBuf::from("/tmp/output_base"),
+        );
+
+        // Check manifests
+        assert_eq!(
+            manifest.manifests,
+            BTreeMap::from([
+                (
+                    PathBuf::from("/tmp/abs/path/workspace/submod/Cargo.toml"),
+                    Label::from_str("//submod:Cargo.toml").unwrap()
+                ),
+                (
+                    PathBuf::from("/tmp/output_base/external_crate/Cargo.toml"),
+                    Label::from_str("@external_crate//:Cargo.toml").unwrap()
+                ),
+                (
+                    PathBuf::from("/tmp/abs/path/workspace/Cargo.toml"),
+                    Label::from_str("//:Cargo.toml").unwrap()
+                ),
+            ])
+        );
+
+        // Check cargo config
+        assert_eq!(
+            manifest.cargo_config.unwrap(),
+            PathBuf::from("/tmp/abs/path/workspace/.cargo/config.toml"),
+        )
+    }
 }
diff --git a/crate_universe/test_data/serialized_configs/BUILD.bazel b/crate_universe/test_data/serialized_configs/BUILD.bazel
index 81d8bc4..952f0e2 100644
--- a/crate_universe/test_data/serialized_configs/BUILD.bazel
+++ b/crate_universe/test_data/serialized_configs/BUILD.bazel
@@ -39,7 +39,11 @@
     out = "splicing_manifest.json",
     content = [json.encode(compile_splicing_manifest(
         cargo_config_path = "/tmp/abs/path/workspace/.cargo/config.toml",
-        manifests = {"/tmp/abs/path/workspace/Cargo.toml": "//:Cargo.toml"},
+        manifests = {
+            "${build_workspace_directory}/submod/Cargo.toml": "//submod:Cargo.toml",
+            "${output_base}/external_crate/Cargo.toml": "@external_crate//:Cargo.toml",
+            "/tmp/abs/path/workspace/Cargo.toml": "//:Cargo.toml",
+        },
         packages = {
             "rand": crate.spec(
                 default_features = False,
diff --git a/docs/crate_universe.md b/docs/crate_universe.md
index d3ed9d8..58d5e54 100644
--- a/docs/crate_universe.md
+++ b/docs/crate_universe.md
@@ -291,8 +291,9 @@
 ## crates_vendor
 
 <pre>
-crates_vendor(<a href="#crates_vendor-name">name</a>, <a href="#crates_vendor-annotations">annotations</a>, <a href="#crates_vendor-buildifier">buildifier</a>, <a href="#crates_vendor-cargo_bazel">cargo_bazel</a>, <a href="#crates_vendor-generate_build_scripts">generate_build_scripts</a>, <a href="#crates_vendor-manifests">manifests</a>, <a href="#crates_vendor-mode">mode</a>,
-              <a href="#crates_vendor-packages">packages</a>, <a href="#crates_vendor-repository_name">repository_name</a>, <a href="#crates_vendor-splicing_config">splicing_config</a>, <a href="#crates_vendor-supported_platform_triples">supported_platform_triples</a>, <a href="#crates_vendor-vendor_path">vendor_path</a>)
+crates_vendor(<a href="#crates_vendor-name">name</a>, <a href="#crates_vendor-annotations">annotations</a>, <a href="#crates_vendor-buildifier">buildifier</a>, <a href="#crates_vendor-cargo_bazel">cargo_bazel</a>, <a href="#crates_vendor-cargo_config">cargo_config</a>, <a href="#crates_vendor-generate_build_scripts">generate_build_scripts</a>,
+              <a href="#crates_vendor-manifests">manifests</a>, <a href="#crates_vendor-mode">mode</a>, <a href="#crates_vendor-packages">packages</a>, <a href="#crates_vendor-repository_name">repository_name</a>, <a href="#crates_vendor-splicing_config">splicing_config</a>, <a href="#crates_vendor-supported_platform_triples">supported_platform_triples</a>,
+              <a href="#crates_vendor-vendor_path">vendor_path</a>)
 </pre>
 
 A rule for defining Rust dependencies (crates) and writing targets for them to the current workspace.
@@ -351,6 +352,7 @@
 | <a id="crates_vendor-annotations"></a>annotations |  Extra settings to apply to crates. See [crate.annotation](#crateannotation).   | <a href="https://bazel.build/docs/skylark/lib/dict.html">Dictionary: String -> List of strings</a> | optional | {} |
 | <a id="crates_vendor-buildifier"></a>buildifier |  The path to a [buildifier](https://github.com/bazelbuild/buildtools/blob/5.0.1/buildifier/README.md) binary used to format generated BUILD files.   | <a href="https://bazel.build/docs/build-ref.html#labels">Label</a> | optional | //crate_universe/private/vendor:buildifier |
 | <a id="crates_vendor-cargo_bazel"></a>cargo_bazel |  The cargo-bazel binary to use for vendoring. If this attribute is not set, then a <code>CARGO_BAZEL_GENERATOR_PATH</code> action env will be used.   | <a href="https://bazel.build/docs/build-ref.html#labels">Label</a> | optional | @cargo_bazel_bootstrap//:binary |
+| <a id="crates_vendor-cargo_config"></a>cargo_config |  A [Cargo configuration](https://doc.rust-lang.org/cargo/reference/config.html) file.   | <a href="https://bazel.build/docs/build-ref.html#labels">Label</a> | optional | None |
 | <a id="crates_vendor-generate_build_scripts"></a>generate_build_scripts |  Whether or not to generate [cargo build scripts](https://doc.rust-lang.org/cargo/reference/build-scripts.html) by default.   | Boolean | optional | True |
 | <a id="crates_vendor-manifests"></a>manifests |  A list of Cargo manifests (<code>Cargo.toml</code> files).   | <a href="https://bazel.build/docs/build-ref.html#labels">List of labels</a> | optional | [] |
 | <a id="crates_vendor-mode"></a>mode |  Flags determining how crates should be vendored. <code>local</code> is where crate source and BUILD files are written to the repository. <code>remote</code> is where only BUILD files are written and repository rules used to fetch source code.   | String | optional | "remote" |
diff --git a/examples/crate_universe/DEVELOPMENT.md b/examples/crate_universe/DEVELOPMENT.md
index 993f522..f39ee31 100644
--- a/examples/crate_universe/DEVELOPMENT.md
+++ b/examples/crate_universe/DEVELOPMENT.md
@@ -7,6 +7,7 @@
 bazel commands:
 
 ```shell
+bazel run //vendor_external:crates_vendor
 bazel run //vendor_local_manifests:crates_vendor
 bazel run //vendor_local_pkgs:crates_vendor
 bazel run //vendor_remote_manifests:crates_vendor_manifests
diff --git a/examples/crate_universe/WORKSPACE.bazel b/examples/crate_universe/WORKSPACE.bazel
index d0fa600..0f90c22 100644
--- a/examples/crate_universe/WORKSPACE.bazel
+++ b/examples/crate_universe/WORKSPACE.bazel
@@ -306,6 +306,25 @@
 no_cargo_crate_repositories()
 
 ###############################################################################
+# V E N D O R   E X T E R N A L
+###############################################################################
+
+http_archive(
+    name = "names_external",
+    build_file = "//cargo_remote:BUILD.names.bazel",
+    sha256 = "eab40caca5805624ba31d028913931c3d054b22daafff6f43e3435cfa9fb761e",
+    strip_prefix = "names-0.13.0",
+    urls = ["https://github.com/fnichol/names/archive/refs/tags/v0.13.0.zip"],
+)
+
+load(
+    "//vendor_external/crates:crates.bzl",
+    crates_vendor_external_repositories = "crate_repositories",
+)
+
+crates_vendor_external_repositories()
+
+###############################################################################
 # V E N D O R   R E M O T E   M A N I F E S T S
 ###############################################################################
 
diff --git a/examples/crate_universe/vendor_external/BUILD.bazel b/examples/crate_universe/vendor_external/BUILD.bazel
new file mode 100644
index 0000000..fb3708e
--- /dev/null
+++ b/examples/crate_universe/vendor_external/BUILD.bazel
@@ -0,0 +1,21 @@
+load("@rules_rust//crate_universe:defs.bzl", "crates_vendor")
+load("@rules_rust//rust:defs.bzl", "rust_test")
+
+exports_files([
+    "BUILD.names.bazel",
+])
+
+crates_vendor(
+    name = "crates_vendor",
+    manifests = ["@names_external//:Cargo.toml"],
+    mode = "remote",
+)
+
+rust_test(
+    name = "launch_test",
+    srcs = ["remote_crate_test.rs"],
+    data = ["@names_external//:names_bin"],
+    rustc_env = {
+        "EXECUTABLE": "$(rootpath @names_external//:names_bin)",
+    },
+)
diff --git a/examples/crate_universe/vendor_external/BUILD.names.bazel b/examples/crate_universe/vendor_external/BUILD.names.bazel
new file mode 100644
index 0000000..e84318d
--- /dev/null
+++ b/examples/crate_universe/vendor_external/BUILD.names.bazel
@@ -0,0 +1,67 @@
+load("@crate_index_cargo_remote//:defs.bzl", "aliases", "all_crate_deps")
+load("@rules_rust//cargo:defs.bzl", "cargo_build_script")
+load("@rules_rust//rust:defs.bzl", "rust_binary", "rust_library")
+
+package(default_visibility = ["//visibility:public"])
+
+exports_files([
+    "Cargo.toml",
+    "Cargo.lock",
+])
+
+rust_binary(
+    name = "names_bin",
+    srcs = ["src/bin/names.rs"],
+    aliases = aliases(
+        normal = True,
+        proc_macro = True,
+    ),
+    crate_features = [
+        "application",
+        "clap",
+        "default",
+    ],
+    crate_root = "src/bin/names.rs",
+    edition = "2018",
+    proc_macro_deps = all_crate_deps(proc_macro = True),
+    version = "0.12.0",
+    deps = all_crate_deps(normal = True) + [
+        ":names",
+    ],
+)
+
+rust_library(
+    name = "names",
+    srcs = glob(["src/**/*.rs"]),
+    aliases = aliases(
+        normal = True,
+        proc_macro = True,
+    ),
+    crate_features = [
+        "application",
+        "clap",
+        "default",
+    ],
+    edition = "2018",
+    proc_macro_deps = all_crate_deps(proc_macro = True),
+    version = "0.13.0",
+    deps = all_crate_deps(normal = True) + [
+        ":build-script-build",
+    ],
+)
+
+cargo_build_script(
+    name = "build-script-build",
+    srcs = ["build.rs"],
+    aliases = aliases(build = True),
+    crate_features = [
+        "application",
+        "clap",
+        "default",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["data/**"]),
+    edition = "2018",
+    version = "0.13.0",
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.atty-0.2.14.bazel b/examples/crate_universe/vendor_external/crates/BUILD.atty-0.2.14.bazel
new file mode 100644
index 0000000..f40700d
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.atty-0.2.14.bazel
@@ -0,0 +1,126 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT
+# ])
+
+rust_library(
+    name = "atty",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.2.14",
+    deps = [
+    ] + select_with_or({
+        # cfg(target_os = "hermit")
+        #
+        # No supported platform triples for cfg: 'cfg(target_os = "hermit")'
+        # Skipped dependencies: [{"id":"hermit-abi 0.1.19","target":"hermit_abi"}]
+        #
+        # cfg(unix)
+        (
+            "@rules_rust//rust/platform:aarch64-apple-darwin",
+            "@rules_rust//rust/platform:aarch64-apple-ios",
+            "@rules_rust//rust/platform:aarch64-apple-ios-sim",
+            "@rules_rust//rust/platform:aarch64-linux-android",
+            "@rules_rust//rust/platform:aarch64-unknown-linux-gnu",
+            "@rules_rust//rust/platform:arm-unknown-linux-gnueabi",
+            "@rules_rust//rust/platform:armv7-linux-androideabi",
+            "@rules_rust//rust/platform:armv7-unknown-linux-gnueabi",
+            "@rules_rust//rust/platform:i686-apple-darwin",
+            "@rules_rust//rust/platform:i686-linux-android",
+            "@rules_rust//rust/platform:i686-unknown-freebsd",
+            "@rules_rust//rust/platform:i686-unknown-linux-gnu",
+            "@rules_rust//rust/platform:powerpc-unknown-linux-gnu",
+            "@rules_rust//rust/platform:s390x-unknown-linux-gnu",
+            "@rules_rust//rust/platform:x86_64-apple-darwin",
+            "@rules_rust//rust/platform:x86_64-apple-ios",
+            "@rules_rust//rust/platform:x86_64-linux-android",
+            "@rules_rust//rust/platform:x86_64-unknown-freebsd",
+            "@rules_rust//rust/platform:x86_64-unknown-linux-gnu",
+        ): [
+            # Target Deps
+            "@crates_vendor__libc-0.2.126//:libc",
+
+            # Common Deps
+        ],
+        # cfg(windows)
+        (
+            "@rules_rust//rust/platform:i686-pc-windows-msvc",
+            "@rules_rust//rust/platform:x86_64-pc-windows-msvc",
+        ): [
+            # Target Deps
+            "@crates_vendor__winapi-0.3.9//:winapi",
+
+            # Common Deps
+        ],
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.autocfg-1.1.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.autocfg-1.1.0.bazel
new file mode 100644
index 0000000..bd2fcd9
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.autocfg-1.1.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Apache-2.0 OR MIT
+# ])
+
+rust_library(
+    name = "autocfg",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.1.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.bazel b/examples/crate_universe/vendor_external/crates/BUILD.bazel
new file mode 100644
index 0000000..59172d3
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.bazel
@@ -0,0 +1,64 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+package(default_visibility = ["//visibility:public"])
+
+exports_files(
+    [
+        "cargo-bazel.json",
+        "defs.bzl",
+        "crates.bzl",
+    ] + glob([
+        "*.bazel",
+    ]),
+)
+
+filegroup(
+    name = "srcs",
+    srcs = glob([
+        "*.bazel",
+        "*.bzl",
+    ]),
+)
+
+# Workspace Member Dependencies
+alias(
+    name = "clap",
+    actual = "@crates_vendor__clap-3.1.18//:clap",
+    tags = ["manual"],
+)
+
+alias(
+    name = "names",
+    actual = "@crates_vendor__names-0.13.0//:names",
+    tags = ["manual"],
+)
+
+alias(
+    name = "rand",
+    actual = "@crates_vendor__rand-0.8.5//:rand",
+    tags = ["manual"],
+)
+
+alias(
+    name = "version-sync",
+    actual = "@crates_vendor__version-sync-0.9.4//:version_sync",
+    tags = ["manual"],
+)
+
+# Binaries
+alias(
+    name = "clap__stdio-fixture",
+    actual = "@crates_vendor__clap-3.1.18//:stdio-fixture__bin",
+    tags = ["manual"],
+)
+
+alias(
+    name = "pulldown-cmark__pulldown-cmark",
+    actual = "@crates_vendor__pulldown-cmark-0.8.0//:pulldown-cmark__bin",
+    tags = ["manual"],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.bitflags-1.3.2.bazel b/examples/crate_universe/vendor_external/crates/BUILD.bitflags-1.3.2.bazel
new file mode 100644
index 0000000..6894746
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.bitflags-1.3.2.bazel
@@ -0,0 +1,85 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "bitflags",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.3.2",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.cfg-if-1.0.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.cfg-if-1.0.0.bazel
new file mode 100644
index 0000000..e4aab64
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.cfg-if-1.0.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "cfg_if",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.clap-3.1.18.bazel b/examples/crate_universe/vendor_external/crates/BUILD.clap-3.1.18.bazel
new file mode 100644
index 0000000..b7db9cc
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.clap-3.1.18.bazel
@@ -0,0 +1,184 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_binary",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "clap",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "atty",
+        "clap_derive",
+        "color",
+        "default",
+        "derive",
+        "lazy_static",
+        "std",
+        "strsim",
+        "suggestions",
+        "termcolor",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__clap_derive-3.1.18//:clap_derive",
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "3.1.18",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__atty-0.2.14//:atty",
+            "@crates_vendor__bitflags-1.3.2//:bitflags",
+            "@crates_vendor__clap_lex-0.2.0//:clap_lex",
+            "@crates_vendor__indexmap-1.8.2//:indexmap",
+            "@crates_vendor__lazy_static-1.4.0//:lazy_static",
+            "@crates_vendor__strsim-0.10.0//:strsim",
+            "@crates_vendor__termcolor-1.1.3//:termcolor",
+            "@crates_vendor__textwrap-0.15.0//:textwrap",
+        ],
+    }),
+)
+
+rust_binary(
+    name = "stdio-fixture__bin",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "atty",
+        "clap_derive",
+        "color",
+        "default",
+        "derive",
+        "lazy_static",
+        "std",
+        "strsim",
+        "suggestions",
+        "termcolor",
+    ],
+    crate_root = "src/bin/stdio-fixture.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__clap_derive-3.1.18//:clap_derive",
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "3.1.18",
+    deps = [
+        ":clap",
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__atty-0.2.14//:atty",
+            "@crates_vendor__bitflags-1.3.2//:bitflags",
+            "@crates_vendor__clap_lex-0.2.0//:clap_lex",
+            "@crates_vendor__indexmap-1.8.2//:indexmap",
+            "@crates_vendor__lazy_static-1.4.0//:lazy_static",
+            "@crates_vendor__strsim-0.10.0//:strsim",
+            "@crates_vendor__termcolor-1.1.3//:termcolor",
+            "@crates_vendor__textwrap-0.15.0//:textwrap",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.clap_derive-3.1.18.bazel b/examples/crate_universe/vendor_external/crates/BUILD.clap_derive-3.1.18.bazel
new file mode 100644
index 0000000..9f3887e
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.clap_derive-3.1.18.bazel
@@ -0,0 +1,90 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_proc_macro",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_proc_macro(
+    name = "clap_derive",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "3.1.18",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__heck-0.4.0//:heck",
+            "@crates_vendor__proc-macro-error-1.0.4//:proc_macro_error",
+            "@crates_vendor__proc-macro2-1.0.39//:proc_macro2",
+            "@crates_vendor__quote-1.0.18//:quote",
+            "@crates_vendor__syn-1.0.96//:syn",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.clap_lex-0.2.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.clap_lex-0.2.0.bazel
new file mode 100644
index 0000000..226c62d
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.clap_lex-0.2.0.bazel
@@ -0,0 +1,85 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "clap_lex",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.2.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__os_str_bytes-6.1.0//:os_str_bytes",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.form_urlencoded-1.0.1.bazel b/examples/crate_universe/vendor_external/crates/BUILD.form_urlencoded-1.0.1.bazel
new file mode 100644
index 0000000..bed61db
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.form_urlencoded-1.0.1.bazel
@@ -0,0 +1,86 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "form_urlencoded",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.1",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__matches-0.1.9//:matches",
+            "@crates_vendor__percent-encoding-2.1.0//:percent_encoding",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.getrandom-0.2.6.bazel b/examples/crate_universe/vendor_external/crates/BUILD.getrandom-0.2.6.bazel
new file mode 100644
index 0000000..50969b8
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.getrandom-0.2.6.bazel
@@ -0,0 +1,124 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "getrandom",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.2.6",
+    deps = [
+    ] + select_with_or({
+        # cfg(target_os = "wasi")
+        (
+            "@rules_rust//rust/platform:wasm32-wasi",
+        ): [
+            # Target Deps
+            "@crates_vendor__wasi-0.10.2-wasi-snapshot-preview1//:wasi",
+
+            # Common Deps
+            "@crates_vendor__cfg-if-1.0.0//:cfg_if",
+        ],
+        # cfg(unix)
+        (
+            "@rules_rust//rust/platform:aarch64-apple-darwin",
+            "@rules_rust//rust/platform:aarch64-apple-ios",
+            "@rules_rust//rust/platform:aarch64-apple-ios-sim",
+            "@rules_rust//rust/platform:aarch64-linux-android",
+            "@rules_rust//rust/platform:aarch64-unknown-linux-gnu",
+            "@rules_rust//rust/platform:arm-unknown-linux-gnueabi",
+            "@rules_rust//rust/platform:armv7-linux-androideabi",
+            "@rules_rust//rust/platform:armv7-unknown-linux-gnueabi",
+            "@rules_rust//rust/platform:i686-apple-darwin",
+            "@rules_rust//rust/platform:i686-linux-android",
+            "@rules_rust//rust/platform:i686-unknown-freebsd",
+            "@rules_rust//rust/platform:i686-unknown-linux-gnu",
+            "@rules_rust//rust/platform:powerpc-unknown-linux-gnu",
+            "@rules_rust//rust/platform:s390x-unknown-linux-gnu",
+            "@rules_rust//rust/platform:x86_64-apple-darwin",
+            "@rules_rust//rust/platform:x86_64-apple-ios",
+            "@rules_rust//rust/platform:x86_64-linux-android",
+            "@rules_rust//rust/platform:x86_64-unknown-freebsd",
+            "@rules_rust//rust/platform:x86_64-unknown-linux-gnu",
+        ): [
+            # Target Deps
+            "@crates_vendor__libc-0.2.126//:libc",
+
+            # Common Deps
+            "@crates_vendor__cfg-if-1.0.0//:cfg_if",
+        ],
+        "//conditions:default": [
+            "@crates_vendor__cfg-if-1.0.0//:cfg_if",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.hashbrown-0.11.2.bazel b/examples/crate_universe/vendor_external/crates/BUILD.hashbrown-0.11.2.bazel
new file mode 100644
index 0000000..54a071b
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.hashbrown-0.11.2.bazel
@@ -0,0 +1,85 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Apache-2.0/MIT
+# ])
+
+rust_library(
+    name = "hashbrown",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "raw",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.11.2",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.heck-0.4.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.heck-0.4.0.bazel
new file mode 100644
index 0000000..f8a2a8e
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.heck-0.4.0.bazel
@@ -0,0 +1,85 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "heck",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.4.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.hermit-abi-0.1.19.bazel b/examples/crate_universe/vendor_external/crates/BUILD.hermit-abi-0.1.19.bazel
new file mode 100644
index 0000000..261dd16
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.hermit-abi-0.1.19.bazel
@@ -0,0 +1,86 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "hermit_abi",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.1.19",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__libc-0.2.126//:libc",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.idna-0.2.3.bazel b/examples/crate_universe/vendor_external/crates/BUILD.idna-0.2.3.bazel
new file mode 100644
index 0000000..6704e61
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.idna-0.2.3.bazel
@@ -0,0 +1,87 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "idna",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.2.3",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__matches-0.1.9//:matches",
+            "@crates_vendor__unicode-bidi-0.3.8//:unicode_bidi",
+            "@crates_vendor__unicode-normalization-0.1.19//:unicode_normalization",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.indexmap-1.8.2.bazel b/examples/crate_universe/vendor_external/crates/BUILD.indexmap-1.8.2.bazel
new file mode 100644
index 0000000..52fc7d2
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.indexmap-1.8.2.bazel
@@ -0,0 +1,175 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Apache-2.0/MIT
+# ])
+
+rust_library(
+    name = "indexmap",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.8.2",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__hashbrown-0.11.2//:hashbrown",
+            "@crates_vendor__indexmap-1.8.2//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "indexmap_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "std",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "1.8.2",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__autocfg-1.1.0//:autocfg",
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "indexmap_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.lazy_static-1.4.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.lazy_static-1.4.0.bazel
new file mode 100644
index 0000000..aabde66
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.lazy_static-1.4.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "lazy_static",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.4.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.libc-0.2.126.bazel b/examples/crate_universe/vendor_external/crates/BUILD.libc-0.2.126.bazel
new file mode 100644
index 0000000..0092bef
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.libc-0.2.126.bazel
@@ -0,0 +1,171 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "libc",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.2.126",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__libc-0.2.126//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "libc_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "0.2.126",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "libc_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.matches-0.1.9.bazel b/examples/crate_universe/vendor_external/crates/BUILD.matches-0.1.9.bazel
new file mode 100644
index 0000000..b2ec92b
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.matches-0.1.9.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT
+# ])
+
+rust_library(
+    name = "matches",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.1.9",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.memchr-2.5.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.memchr-2.5.0.bazel
new file mode 100644
index 0000000..fc6e457
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.memchr-2.5.0.bazel
@@ -0,0 +1,175 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Unlicense/MIT
+# ])
+
+rust_library(
+    name = "memchr",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "2.5.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__memchr-2.5.0//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "memchr_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "2.5.0",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "memchr_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.os_str_bytes-6.1.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.os_str_bytes-6.1.0.bazel
new file mode 100644
index 0000000..620e128
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.os_str_bytes-6.1.0.bazel
@@ -0,0 +1,85 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "os_str_bytes",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "raw_os_str",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "6.1.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.percent-encoding-2.1.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.percent-encoding-2.1.0.bazel
new file mode 100644
index 0000000..1ad467a
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.percent-encoding-2.1.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "percent_encoding",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "2.1.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.ppv-lite86-0.2.16.bazel b/examples/crate_universe/vendor_external/crates/BUILD.ppv-lite86-0.2.16.bazel
new file mode 100644
index 0000000..f93bf68
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.ppv-lite86-0.2.16.bazel
@@ -0,0 +1,86 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "ppv_lite86",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "simd",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.2.16",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.proc-macro-error-1.0.4.bazel b/examples/crate_universe/vendor_external/crates/BUILD.proc-macro-error-1.0.4.bazel
new file mode 100644
index 0000000..c14505c
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.proc-macro-error-1.0.4.bazel
@@ -0,0 +1,182 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "proc_macro_error",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "syn",
+        "syn-error",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__proc-macro-error-attr-1.0.4//:proc_macro_error_attr",
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.4",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__proc-macro-error-1.0.4//:build_script_build",
+            "@crates_vendor__proc-macro2-1.0.39//:proc_macro2",
+            "@crates_vendor__quote-1.0.18//:quote",
+            "@crates_vendor__syn-1.0.96//:syn",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "proc-macro-error_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "syn",
+        "syn-error",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "1.0.4",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__version_check-0.9.4//:version_check",
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "proc-macro-error_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.proc-macro-error-attr-1.0.4.bazel b/examples/crate_universe/vendor_external/crates/BUILD.proc-macro-error-attr-1.0.4.bazel
new file mode 100644
index 0000000..e3726ee
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.proc-macro-error-attr-1.0.4.bazel
@@ -0,0 +1,174 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_proc_macro",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_proc_macro(
+    name = "proc_macro_error_attr",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.4",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__proc-macro-error-attr-1.0.4//:build_script_build",
+            "@crates_vendor__proc-macro2-1.0.39//:proc_macro2",
+            "@crates_vendor__quote-1.0.18//:quote",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "proc-macro-error-attr_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "1.0.4",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__version_check-0.9.4//:version_check",
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "proc-macro-error-attr_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.proc-macro2-1.0.39.bazel b/examples/crate_universe/vendor_external/crates/BUILD.proc-macro2-1.0.39.bazel
new file mode 100644
index 0000000..9998fcb
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.proc-macro2-1.0.39.bazel
@@ -0,0 +1,178 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "proc_macro2",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "proc-macro",
+        "span-locations",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.39",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__proc-macro2-1.0.39//:build_script_build",
+            "@crates_vendor__unicode-ident-1.0.0//:unicode_ident",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "proc-macro2_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "proc-macro",
+        "span-locations",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "1.0.39",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "proc-macro2_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.pulldown-cmark-0.8.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.pulldown-cmark-0.8.0.bazel
new file mode 100644
index 0000000..65d67da
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.pulldown-cmark-0.8.0.bazel
@@ -0,0 +1,240 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_binary",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT
+# ])
+
+rust_library(
+    name = "pulldown_cmark",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.8.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__bitflags-1.3.2//:bitflags",
+            "@crates_vendor__memchr-2.5.0//:memchr",
+            "@crates_vendor__pulldown-cmark-0.8.0//:build_script_build",
+            "@crates_vendor__unicase-2.6.0//:unicase",
+        ],
+    }),
+)
+
+rust_binary(
+    name = "pulldown-cmark__bin",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/main.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.8.0",
+    deps = [
+        ":pulldown_cmark",
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__bitflags-1.3.2//:bitflags",
+            "@crates_vendor__memchr-2.5.0//:memchr",
+            "@crates_vendor__pulldown-cmark-0.8.0//:build_script_build",
+            "@crates_vendor__unicase-2.6.0//:unicase",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "pulldown-cmark_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "0.8.0",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "pulldown-cmark_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.quote-1.0.18.bazel b/examples/crate_universe/vendor_external/crates/BUILD.quote-1.0.18.bazel
new file mode 100644
index 0000000..ea62500
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.quote-1.0.18.bazel
@@ -0,0 +1,87 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "quote",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "proc-macro",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.18",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__proc-macro2-1.0.39//:proc_macro2",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.rand-0.8.5.bazel b/examples/crate_universe/vendor_external/crates/BUILD.rand-0.8.5.bazel
new file mode 100644
index 0000000..6acbe97
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.rand-0.8.5.bazel
@@ -0,0 +1,122 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "rand",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "alloc",
+        "default",
+        "getrandom",
+        "libc",
+        "rand_chacha",
+        "std",
+        "std_rng",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.8.5",
+    deps = [
+    ] + select_with_or({
+        # cfg(unix)
+        (
+            "@rules_rust//rust/platform:aarch64-apple-darwin",
+            "@rules_rust//rust/platform:aarch64-apple-ios",
+            "@rules_rust//rust/platform:aarch64-apple-ios-sim",
+            "@rules_rust//rust/platform:aarch64-linux-android",
+            "@rules_rust//rust/platform:aarch64-unknown-linux-gnu",
+            "@rules_rust//rust/platform:arm-unknown-linux-gnueabi",
+            "@rules_rust//rust/platform:armv7-linux-androideabi",
+            "@rules_rust//rust/platform:armv7-unknown-linux-gnueabi",
+            "@rules_rust//rust/platform:i686-apple-darwin",
+            "@rules_rust//rust/platform:i686-linux-android",
+            "@rules_rust//rust/platform:i686-unknown-freebsd",
+            "@rules_rust//rust/platform:i686-unknown-linux-gnu",
+            "@rules_rust//rust/platform:powerpc-unknown-linux-gnu",
+            "@rules_rust//rust/platform:s390x-unknown-linux-gnu",
+            "@rules_rust//rust/platform:x86_64-apple-darwin",
+            "@rules_rust//rust/platform:x86_64-apple-ios",
+            "@rules_rust//rust/platform:x86_64-linux-android",
+            "@rules_rust//rust/platform:x86_64-unknown-freebsd",
+            "@rules_rust//rust/platform:x86_64-unknown-linux-gnu",
+        ): [
+            # Target Deps
+            "@crates_vendor__libc-0.2.126//:libc",
+
+            # Common Deps
+            "@crates_vendor__rand_chacha-0.3.1//:rand_chacha",
+            "@crates_vendor__rand_core-0.6.3//:rand_core",
+        ],
+        "//conditions:default": [
+            "@crates_vendor__rand_chacha-0.3.1//:rand_chacha",
+            "@crates_vendor__rand_core-0.6.3//:rand_core",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.rand_chacha-0.3.1.bazel b/examples/crate_universe/vendor_external/crates/BUILD.rand_chacha-0.3.1.bazel
new file mode 100644
index 0000000..31bee62
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.rand_chacha-0.3.1.bazel
@@ -0,0 +1,87 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "rand_chacha",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.3.1",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__ppv-lite86-0.2.16//:ppv_lite86",
+            "@crates_vendor__rand_core-0.6.3//:rand_core",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.rand_core-0.6.3.bazel b/examples/crate_universe/vendor_external/crates/BUILD.rand_core-0.6.3.bazel
new file mode 100644
index 0000000..1f568f2
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.rand_core-0.6.3.bazel
@@ -0,0 +1,88 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "rand_core",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "alloc",
+        "getrandom",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.6.3",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__getrandom-0.2.6//:getrandom",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.regex-1.5.6.bazel b/examples/crate_universe/vendor_external/crates/BUILD.regex-1.5.6.bazel
new file mode 100644
index 0000000..245e33d
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.regex-1.5.6.bazel
@@ -0,0 +1,94 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "regex",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "std",
+        "unicode",
+        "unicode-age",
+        "unicode-bool",
+        "unicode-case",
+        "unicode-gencat",
+        "unicode-perl",
+        "unicode-script",
+        "unicode-segment",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.5.6",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__regex-syntax-0.6.26//:regex_syntax",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.regex-syntax-0.6.26.bazel b/examples/crate_universe/vendor_external/crates/BUILD.regex-syntax-0.6.26.bazel
new file mode 100644
index 0000000..61539c2
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.regex-syntax-0.6.26.bazel
@@ -0,0 +1,92 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "regex_syntax",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "unicode",
+        "unicode-age",
+        "unicode-bool",
+        "unicode-case",
+        "unicode-gencat",
+        "unicode-perl",
+        "unicode-script",
+        "unicode-segment",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.6.26",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.semver-1.0.9.bazel b/examples/crate_universe/vendor_external/crates/BUILD.semver-1.0.9.bazel
new file mode 100644
index 0000000..727e145
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.semver-1.0.9.bazel
@@ -0,0 +1,175 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "semver",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.9",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__semver-1.0.9//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "semver_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "1.0.9",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "semver_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.serde-1.0.137.bazel b/examples/crate_universe/vendor_external/crates/BUILD.serde-1.0.137.bazel
new file mode 100644
index 0000000..4413afd
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.serde-1.0.137.bazel
@@ -0,0 +1,175 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "serde",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.137",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__serde-1.0.137//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "serde_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "1.0.137",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "serde_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.strsim-0.10.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.strsim-0.10.0.bazel
new file mode 100644
index 0000000..d44fe18
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.strsim-0.10.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT
+# ])
+
+rust_library(
+    name = "strsim",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.10.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.syn-1.0.96.bazel b/examples/crate_universe/vendor_external/crates/BUILD.syn-1.0.96.bazel
new file mode 100644
index 0000000..c70f38d
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.syn-1.0.96.bazel
@@ -0,0 +1,190 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "syn",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "clone-impls",
+        "default",
+        "derive",
+        "full",
+        "parsing",
+        "printing",
+        "proc-macro",
+        "quote",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.96",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__proc-macro2-1.0.39//:proc_macro2",
+            "@crates_vendor__quote-1.0.18//:quote",
+            "@crates_vendor__syn-1.0.96//:build_script_build",
+            "@crates_vendor__unicode-ident-1.0.0//:unicode_ident",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "syn_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "clone-impls",
+        "default",
+        "derive",
+        "full",
+        "parsing",
+        "printing",
+        "proc-macro",
+        "quote",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "1.0.96",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "syn_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.termcolor-1.1.3.bazel b/examples/crate_universe/vendor_external/crates/BUILD.termcolor-1.1.3.bazel
new file mode 100644
index 0000000..52940d5
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.termcolor-1.1.3.bazel
@@ -0,0 +1,94 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Unlicense OR MIT
+# ])
+
+rust_library(
+    name = "termcolor",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.1.3",
+    deps = [
+    ] + select_with_or({
+        # cfg(windows)
+        (
+            "@rules_rust//rust/platform:i686-pc-windows-msvc",
+            "@rules_rust//rust/platform:x86_64-pc-windows-msvc",
+        ): [
+            # Target Deps
+            "@crates_vendor__winapi-util-0.1.5//:winapi_util",
+
+            # Common Deps
+        ],
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.textwrap-0.15.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.textwrap-0.15.0.bazel
new file mode 100644
index 0000000..6636e2c
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.textwrap-0.15.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT
+# ])
+
+rust_library(
+    name = "textwrap",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.15.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.tinyvec-1.6.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.tinyvec-1.6.0.bazel
new file mode 100644
index 0000000..1a8678d
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.tinyvec-1.6.0.bazel
@@ -0,0 +1,88 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Zlib OR Apache-2.0 OR MIT
+# ])
+
+rust_library(
+    name = "tinyvec",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "alloc",
+        "default",
+        "tinyvec_macros",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.6.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__tinyvec_macros-0.1.0//:tinyvec_macros",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.tinyvec_macros-0.1.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.tinyvec_macros-0.1.0.bazel
new file mode 100644
index 0000000..f29536b
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.tinyvec_macros-0.1.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0 OR Zlib
+# ])
+
+rust_library(
+    name = "tinyvec_macros",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.1.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.toml-0.5.9.bazel b/examples/crate_universe/vendor_external/crates/BUILD.toml-0.5.9.bazel
new file mode 100644
index 0000000..d1c8fcf
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.toml-0.5.9.bazel
@@ -0,0 +1,86 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "toml",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.5.9",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__serde-1.0.137//:serde",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.unicase-2.6.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.unicase-2.6.0.bazel
new file mode 100644
index 0000000..7fc2c70
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.unicase-2.6.0.bazel
@@ -0,0 +1,172 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "unicase",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "2.6.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__unicase-2.6.0//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "unicase_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "2.6.0",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__version_check-0.9.4//:version_check",
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "unicase_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.unicode-bidi-0.3.8.bazel b/examples/crate_universe/vendor_external/crates/BUILD.unicode-bidi-0.3.8.bazel
new file mode 100644
index 0000000..563cbe3
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.unicode-bidi-0.3.8.bazel
@@ -0,0 +1,87 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "unicode_bidi",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "hardcoded-data",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.3.8",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.unicode-ident-1.0.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.unicode-ident-1.0.0.bazel
new file mode 100644
index 0000000..6a150fa
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.unicode-ident-1.0.0.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT OR Apache-2.0
+# ])
+
+rust_library(
+    name = "unicode_ident",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "1.0.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.unicode-normalization-0.1.19.bazel b/examples/crate_universe/vendor_external/crates/BUILD.unicode-normalization-0.1.19.bazel
new file mode 100644
index 0000000..093ec58
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.unicode-normalization-0.1.19.bazel
@@ -0,0 +1,87 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "unicode_normalization",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.1.19",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__tinyvec-1.6.0//:tinyvec",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.url-2.2.2.bazel b/examples/crate_universe/vendor_external/crates/BUILD.url-2.2.2.bazel
new file mode 100644
index 0000000..e13b8f7
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.url-2.2.2.bazel
@@ -0,0 +1,88 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "url",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "2.2.2",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__form_urlencoded-1.0.1//:form_urlencoded",
+            "@crates_vendor__idna-0.2.3//:idna",
+            "@crates_vendor__matches-0.1.9//:matches",
+            "@crates_vendor__percent-encoding-2.1.0//:percent_encoding",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.version-sync-0.9.4.bazel b/examples/crate_universe/vendor_external/crates/BUILD.version-sync-0.9.4.bazel
new file mode 100644
index 0000000..cf8d1a3
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.version-sync-0.9.4.bazel
@@ -0,0 +1,102 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT
+# ])
+
+rust_library(
+    name = "version_sync",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "contains_regex",
+        "default",
+        "html_root_url_updated",
+        "markdown_deps_updated",
+        "proc-macro2",
+        "pulldown-cmark",
+        "regex",
+        "semver",
+        "syn",
+        "toml",
+        "url",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.9.4",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__proc-macro2-1.0.39//:proc_macro2",
+            "@crates_vendor__pulldown-cmark-0.8.0//:pulldown_cmark",
+            "@crates_vendor__regex-1.5.6//:regex",
+            "@crates_vendor__semver-1.0.9//:semver",
+            "@crates_vendor__syn-1.0.96//:syn",
+            "@crates_vendor__toml-0.5.9//:toml",
+            "@crates_vendor__url-2.2.2//:url",
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.version_check-0.9.4.bazel b/examples/crate_universe/vendor_external/crates/BUILD.version_check-0.9.4.bazel
new file mode 100644
index 0000000..2c446b0
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.version_check-0.9.4.bazel
@@ -0,0 +1,84 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "version_check",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.9.4",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.wasi-0.10.2+wasi-snapshot-preview1.bazel b/examples/crate_universe/vendor_external/crates/BUILD.wasi-0.10.2+wasi-snapshot-preview1.bazel
new file mode 100644
index 0000000..aedee28
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.wasi-0.10.2+wasi-snapshot-preview1.bazel
@@ -0,0 +1,86 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT
+# ])
+
+rust_library(
+    name = "wasi",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "default",
+        "std",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.10.2+wasi-snapshot-preview1",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.winapi-0.3.9.bazel b/examples/crate_universe/vendor_external/crates/BUILD.winapi-0.3.9.bazel
new file mode 100644
index 0000000..8508da3
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.winapi-0.3.9.bazel
@@ -0,0 +1,203 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "winapi",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "consoleapi",
+        "errhandlingapi",
+        "fileapi",
+        "minwinbase",
+        "minwindef",
+        "processenv",
+        "std",
+        "winbase",
+        "wincon",
+        "winerror",
+        "winnt",
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.3.9",
+    deps = [
+    ] + select_with_or({
+        # i686-pc-windows-gnu
+        #
+        # No supported platform triples for cfg: 'i686-pc-windows-gnu'
+        # Skipped dependencies: [{"id":"winapi-i686-pc-windows-gnu 0.4.0","target":"winapi_i686_pc_windows_gnu"}]
+        #
+        # x86_64-pc-windows-gnu
+        #
+        # No supported platform triples for cfg: 'x86_64-pc-windows-gnu'
+        # Skipped dependencies: [{"id":"winapi-x86_64-pc-windows-gnu 0.4.0","target":"winapi_x86_64_pc_windows_gnu"}]
+        #
+        "//conditions:default": [
+            "@crates_vendor__winapi-0.3.9//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "winapi_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+        "consoleapi",
+        "errhandlingapi",
+        "fileapi",
+        "minwinbase",
+        "minwindef",
+        "processenv",
+        "std",
+        "winbase",
+        "wincon",
+        "winerror",
+        "winnt",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "0.3.9",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "winapi_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.winapi-i686-pc-windows-gnu-0.4.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.winapi-i686-pc-windows-gnu-0.4.0.bazel
new file mode 100644
index 0000000..0a383b9
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.winapi-i686-pc-windows-gnu-0.4.0.bazel
@@ -0,0 +1,171 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "winapi_i686_pc_windows_gnu",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.4.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__winapi-i686-pc-windows-gnu-0.4.0//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "winapi-i686-pc-windows-gnu_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "0.4.0",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "winapi-i686-pc-windows-gnu_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.winapi-util-0.1.5.bazel b/examples/crate_universe/vendor_external/crates/BUILD.winapi-util-0.1.5.bazel
new file mode 100644
index 0000000..738774a
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.winapi-util-0.1.5.bazel
@@ -0,0 +1,94 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # Unlicense/MIT
+# ])
+
+rust_library(
+    name = "winapi_util",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2018",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.1.5",
+    deps = [
+    ] + select_with_or({
+        # cfg(windows)
+        (
+            "@rules_rust//rust/platform:i686-pc-windows-msvc",
+            "@rules_rust//rust/platform:x86_64-pc-windows-msvc",
+        ): [
+            # Target Deps
+            "@crates_vendor__winapi-0.3.9//:winapi",
+
+            # Common Deps
+        ],
+        "//conditions:default": [
+        ],
+    }),
+)
diff --git a/examples/crate_universe/vendor_external/crates/BUILD.winapi-x86_64-pc-windows-gnu-0.4.0.bazel b/examples/crate_universe/vendor_external/crates/BUILD.winapi-x86_64-pc-windows-gnu-0.4.0.bazel
new file mode 100644
index 0000000..694a3e5
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/BUILD.winapi-x86_64-pc-windows-gnu-0.4.0.bazel
@@ -0,0 +1,171 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+
+load(
+    "@bazel_skylib//lib:selects.bzl",
+    "selects",
+)
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+)
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "select_with_or")
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_library",
+)
+
+package(default_visibility = ["//visibility:public"])
+
+# licenses([
+#     "TODO",  # MIT/Apache-2.0
+# ])
+
+rust_library(
+    name = "winapi_x86_64_pc_windows_gnu",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    compile_data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_root = "src/lib.rs",
+    data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.4.0",
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+            "@crates_vendor__winapi-x86_64-pc-windows-gnu-0.4.0//:build_script_build",
+        ],
+    }),
+)
+
+cargo_build_script(
+    # See comment associated with alias. Do not change this name
+    name = "winapi-x86_64-pc-windows-gnu_build_script",
+    srcs = glob(
+        include = [
+            "**/*.rs",
+        ],
+        exclude = [
+        ],
+    ),
+    aliases = selects.with_or({
+        "//conditions:default": {
+        },
+    }),
+    build_script_env = {
+    },
+    compile_data = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    crate_features = [
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(["**"]) + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    edition = "2015",
+    proc_macro_deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_env = {
+    },
+    rustc_env_files = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    rustc_flags = [
+        # In most cases, warnings in 3rd party crates are not interesting as
+        # they're out of the control of consumers. The flag here silences
+        # warnings. For more details see:
+        # https://doc.rust-lang.org/rustc/lints/levels.html
+        "--cap-lints=allow",
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    tags = [
+        "cargo-bazel",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    tools = select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+    version = "0.4.0",
+    visibility = ["//visibility:private"],
+    deps = [
+    ] + select_with_or({
+        "//conditions:default": [
+        ],
+    }),
+)
+
+alias(
+    # Because `cargo_build_script` does some invisible target name mutating to
+    # determine the package and crate name for a build script, the Bazel
+    # target namename of any build script cannot be the Cargo canonical name
+    # of `build_script_build` without losing out on having certain Cargo
+    # environment variables set.
+    name = "build_script_build",
+    actual = "winapi-x86_64-pc-windows-gnu_build_script",
+    tags = [
+        "manual",
+    ],
+)
diff --git a/examples/crate_universe/vendor_external/crates/crates.bzl b/examples/crate_universe/vendor_external/crates/crates.bzl
new file mode 100644
index 0000000..e86b985
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/crates.bzl
@@ -0,0 +1,25 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+"""Rules for defining repositories for remote `crates_vendor` repositories"""
+
+load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+
+# buildifier: disable=bzl-visibility
+load("@examples//vendor_external/crates:defs.bzl", _crate_repositories = "crate_repositories")
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:crates_vendor.bzl", "crates_vendor_remote_repository")
+
+def crate_repositories():
+    maybe(
+        crates_vendor_remote_repository,
+        name = "crates_vendor",
+        build_file = Label("@examples//vendor_external/crates:BUILD.bazel"),
+        defs_module = Label("@examples//vendor_external/crates:defs.bzl"),
+    )
+
+    _crate_repositories()
diff --git a/examples/crate_universe/vendor_external/crates/defs.bzl b/examples/crate_universe/vendor_external/crates/defs.bzl
new file mode 100644
index 0000000..b1be70e
--- /dev/null
+++ b/examples/crate_universe/vendor_external/crates/defs.bzl
@@ -0,0 +1,894 @@
+###############################################################################
+# @generated
+# This file is auto-generated by the cargo-bazel tool.
+#
+# DO NOT MODIFY: Local changes may be replaced in future executions.
+###############################################################################
+"""
+# `crates_repository` API
+
+- [aliases](#aliases)
+- [crate_deps](#crate_deps)
+- [all_crate_deps](#all_crate_deps)
+- [crate_repositories](#crate_repositories)
+
+"""
+
+load("@bazel_skylib//lib:selects.bzl", "selects")
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+
+###############################################################################
+# MACROS API
+###############################################################################
+
+# An identifier that represent common dependencies (unconditional).
+_COMMON_CONDITION = ""
+
+def _flatten_dependency_maps(all_dependency_maps):
+    """Flatten a list of dependency maps into one dictionary.
+
+    Dependency maps have the following structure:
+
+    ```python
+    DEPENDENCIES_MAP = {
+        # The first key in the map is a Bazel package
+        # name of the workspace this file is defined in.
+        "workspace_member_package": {
+
+            # Not all dependnecies are supported for all platforms.
+            # the condition key is the condition required to be true
+            # on the host platform.
+            "condition": {
+
+                # An alias to a crate target.     # The label of the crate target the
+                # Aliases are only crate names.   # package name refers to.
+                "package_name":                   "@full//:label",
+            }
+        }
+    }
+    ```
+
+    Args:
+        all_dependency_maps (list): A list of dicts as described above
+
+    Returns:
+        dict: A dictionary as described above
+    """
+    dependencies = {}
+
+    for workspace_deps_map in all_dependency_maps:
+        for pkg_name, conditional_deps_map in workspace_deps_map.items():
+            if pkg_name not in dependencies:
+                non_frozen_map = dict()
+                for key, values in conditional_deps_map.items():
+                    non_frozen_map.update({key: dict(values.items())})
+                dependencies.setdefault(pkg_name, non_frozen_map)
+                continue
+
+            for condition, deps_map in conditional_deps_map.items():
+                # If the condition has not been recorded, do so and continue
+                if condition not in dependencies[pkg_name]:
+                    dependencies[pkg_name].setdefault(condition, dict(deps_map.items()))
+                    continue
+
+                # Alert on any miss-matched dependencies
+                inconsistent_entries = []
+                for crate_name, crate_label in deps_map.items():
+                    existing = dependencies[pkg_name][condition].get(crate_name)
+                    if existing and existing != crate_label:
+                        inconsistent_entries.append((crate_name, existing, crate_label))
+                    dependencies[pkg_name][condition].update({crate_name: crate_label})
+
+    return dependencies
+
+def crate_deps(deps, package_name = None):
+    """Finds the fully qualified label of the requested crates for the package where this macro is called.
+
+    Args:
+        deps (list): The desired list of crate targets.
+        package_name (str, optional): The package name of the set of dependencies to look up.
+            Defaults to `native.package_name()`.
+
+    Returns:
+        list: A list of labels to generated rust targets (str)
+    """
+
+    if not deps:
+        return []
+
+    if package_name == None:
+        package_name = native.package_name()
+
+    # Join both sets of dependencies
+    dependencies = _flatten_dependency_maps([
+        _NORMAL_DEPENDENCIES,
+        _NORMAL_DEV_DEPENDENCIES,
+        _PROC_MACRO_DEPENDENCIES,
+        _PROC_MACRO_DEV_DEPENDENCIES,
+        _BUILD_DEPENDENCIES,
+        _BUILD_PROC_MACRO_DEPENDENCIES,
+    ]).pop(package_name, {})
+
+    # Combine all conditional packages so we can easily index over a flat list
+    # TODO: Perhaps this should actually return select statements and maintain
+    # the conditionals of the dependencies
+    flat_deps = {}
+    for deps_set in dependencies.values():
+        for crate_name, crate_label in deps_set.items():
+            flat_deps.update({crate_name: crate_label})
+
+    missing_crates = []
+    crate_targets = []
+    for crate_target in deps:
+        if crate_target not in flat_deps:
+            missing_crates.append(crate_target)
+        else:
+            crate_targets.append(flat_deps[crate_target])
+
+    if missing_crates:
+        fail("Could not find crates `{}` among dependencies of `{}`. Available dependencies were `{}`".format(
+            missing_crates,
+            package_name,
+            dependencies,
+        ))
+
+    return crate_targets
+
+def all_crate_deps(
+        normal = False,
+        normal_dev = False,
+        proc_macro = False,
+        proc_macro_dev = False,
+        build = False,
+        build_proc_macro = False,
+        package_name = None):
+    """Finds the fully qualified label of all requested direct crate dependencies \
+    for the package where this macro is called.
+
+    If no parameters are set, all normal dependencies are returned. Setting any one flag will
+    otherwise impact the contents of the returned list.
+
+    Args:
+        normal (bool, optional): If True, normal dependencies are included in the
+            output list.
+        normal_dev (bool, optional): If True, normla dev dependencies will be
+            included in the output list..
+        proc_macro (bool, optional): If True, proc_macro dependencies are included
+            in the output list.
+        proc_macro_dev (bool, optional): If True, dev proc_macro dependencies are
+            included in the output list.
+        build (bool, optional): If True, build dependencies are included
+            in the output list.
+        build_proc_macro (bool, optional): If True, build proc_macro dependencies are
+            included in the output list.
+        package_name (str, optional): The package name of the set of dependencies to look up.
+            Defaults to `native.package_name()` when unset.
+
+    Returns:
+        list: A list of labels to generated rust targets (str)
+    """
+
+    if package_name == None:
+        package_name = native.package_name()
+
+    # Determine the relevant maps to use
+    all_dependency_maps = []
+    if normal:
+        all_dependency_maps.append(_NORMAL_DEPENDENCIES)
+    if normal_dev:
+        all_dependency_maps.append(_NORMAL_DEV_DEPENDENCIES)
+    if proc_macro:
+        all_dependency_maps.append(_PROC_MACRO_DEPENDENCIES)
+    if proc_macro_dev:
+        all_dependency_maps.append(_PROC_MACRO_DEV_DEPENDENCIES)
+    if build:
+        all_dependency_maps.append(_BUILD_DEPENDENCIES)
+    if build_proc_macro:
+        all_dependency_maps.append(_BUILD_PROC_MACRO_DEPENDENCIES)
+
+    # Default to always using normal dependencies
+    if not all_dependency_maps:
+        all_dependency_maps.append(_NORMAL_DEPENDENCIES)
+
+    dependencies = _flatten_dependency_maps(all_dependency_maps).pop(package_name, None)
+
+    if not dependencies:
+        if dependencies == None:
+            fail("Tried to get all_crate_deps for package " + package_name + " but that package had no Cargo.toml file")
+        else:
+            return []
+
+    crate_deps = list(dependencies.pop(_COMMON_CONDITION, {}).values())
+    for condition, deps in dependencies.items():
+        crate_deps += selects.with_or({_CONDITIONS[condition]: deps.values()})
+
+    return crate_deps
+
+def aliases(
+        normal = False,
+        normal_dev = False,
+        proc_macro = False,
+        proc_macro_dev = False,
+        build = False,
+        build_proc_macro = False,
+        package_name = None):
+    """Produces a map of Crate alias names to their original label
+
+    If no dependency kinds are specified, `normal` and `proc_macro` are used by default.
+    Setting any one flag will otherwise determine the contents of the returned dict.
+
+    Args:
+        normal (bool, optional): If True, normal dependencies are included in the
+            output list.
+        normal_dev (bool, optional): If True, normla dev dependencies will be
+            included in the output list..
+        proc_macro (bool, optional): If True, proc_macro dependencies are included
+            in the output list.
+        proc_macro_dev (bool, optional): If True, dev proc_macro dependencies are
+            included in the output list.
+        build (bool, optional): If True, build dependencies are included
+            in the output list.
+        build_proc_macro (bool, optional): If True, build proc_macro dependencies are
+            included in the output list.
+        package_name (str, optional): The package name of the set of dependencies to look up.
+            Defaults to `native.package_name()` when unset.
+
+    Returns:
+        dict: The aliases of all associated packages
+    """
+    if package_name == None:
+        package_name = native.package_name()
+
+    # Determine the relevant maps to use
+    all_aliases_maps = []
+    if normal:
+        all_aliases_maps.append(_NORMAL_ALIASES)
+    if normal_dev:
+        all_aliases_maps.append(_NORMAL_DEV_ALIASES)
+    if proc_macro:
+        all_aliases_maps.append(_PROC_MACRO_ALIASES)
+    if proc_macro_dev:
+        all_aliases_maps.append(_PROC_MACRO_DEV_ALIASES)
+    if build:
+        all_aliases_maps.append(_BUILD_ALIASES)
+    if build_proc_macro:
+        all_aliases_maps.append(_BUILD_PROC_MACRO_ALIASES)
+
+    # Default to always using normal aliases
+    if not all_aliases_maps:
+        all_aliases_maps.append(_NORMAL_ALIASES)
+        all_aliases_maps.append(_PROC_MACRO_ALIASES)
+
+    aliases = _flatten_dependency_maps(all_aliases_maps).pop(package_name, None)
+
+    if not aliases:
+        return dict()
+
+    common_items = aliases.pop(_COMMON_CONDITION, {}).items()
+
+    # If there are only common items in the dictionary, immediately return them
+    if not len(aliases.keys()) == 1:
+        return dict(common_items)
+
+    # Build a single select statement where each conditional has accounted for the
+    # common set of aliases.
+    crate_aliases = {"//conditions:default": common_items}
+    for condition, deps in aliases.items():
+        condition_triples = _CONDITIONS[condition]
+        if condition_triples in crate_aliases:
+            crate_aliases[condition_triples].update(deps)
+        else:
+            crate_aliases.update({_CONDITIONS[condition]: dict(deps.items() + common_items)})
+
+    return selects.with_or(crate_aliases)
+
+###############################################################################
+# WORKSPACE MEMBER DEPS AND ALIASES
+###############################################################################
+
+_NORMAL_DEPENDENCIES = {
+    "": {
+        _COMMON_CONDITION: {
+            "clap": "@crates_vendor__clap-3.1.18//:clap",
+            "rand": "@crates_vendor__rand-0.8.5//:rand",
+        },
+    },
+}
+
+_NORMAL_ALIASES = {
+    "": {
+        _COMMON_CONDITION: {
+        },
+    },
+}
+
+_NORMAL_DEV_DEPENDENCIES = {
+    "": {
+        _COMMON_CONDITION: {
+            "version-sync": "@crates_vendor__version-sync-0.9.4//:version_sync",
+        },
+    },
+}
+
+_NORMAL_DEV_ALIASES = {
+    "": {
+        _COMMON_CONDITION: {
+        },
+    },
+}
+
+_PROC_MACRO_DEPENDENCIES = {
+    "": {
+    },
+}
+
+_PROC_MACRO_ALIASES = {
+    "": {
+    },
+}
+
+_PROC_MACRO_DEV_DEPENDENCIES = {
+    "": {
+    },
+}
+
+_PROC_MACRO_DEV_ALIASES = {
+    "": {
+        _COMMON_CONDITION: {
+        },
+    },
+}
+
+_BUILD_DEPENDENCIES = {
+    "": {
+    },
+}
+
+_BUILD_ALIASES = {
+    "": {
+    },
+}
+
+_BUILD_PROC_MACRO_DEPENDENCIES = {
+    "": {
+    },
+}
+
+_BUILD_PROC_MACRO_ALIASES = {
+    "": {
+    },
+}
+
+_CONDITIONS = {
+    "cfg(target_os = \"hermit\")": [],
+    "cfg(target_os = \"wasi\")": ["wasm32-wasi"],
+    "cfg(unix)": ["aarch64-apple-darwin", "aarch64-apple-ios", "aarch64-apple-ios-sim", "aarch64-linux-android", "aarch64-unknown-linux-gnu", "arm-unknown-linux-gnueabi", "armv7-linux-androideabi", "armv7-unknown-linux-gnueabi", "i686-apple-darwin", "i686-linux-android", "i686-unknown-freebsd", "i686-unknown-linux-gnu", "powerpc-unknown-linux-gnu", "s390x-unknown-linux-gnu", "x86_64-apple-darwin", "x86_64-apple-ios", "x86_64-linux-android", "x86_64-unknown-freebsd", "x86_64-unknown-linux-gnu"],
+    "cfg(windows)": ["i686-pc-windows-msvc", "x86_64-pc-windows-msvc"],
+    "i686-pc-windows-gnu": [],
+    "x86_64-pc-windows-gnu": [],
+}
+
+###############################################################################
+
+def crate_repositories():
+    """A macro for defining repositories for all generated crates"""
+    maybe(
+        http_archive,
+        name = "crates_vendor__atty-0.2.14",
+        sha256 = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/atty/0.2.14/download"],
+        strip_prefix = "atty-0.2.14",
+        build_file = Label("@examples//vendor_external/crates:BUILD.atty-0.2.14.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__autocfg-1.1.0",
+        sha256 = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/autocfg/1.1.0/download"],
+        strip_prefix = "autocfg-1.1.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.autocfg-1.1.0.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__bitflags-1.3.2",
+        sha256 = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/bitflags/1.3.2/download"],
+        strip_prefix = "bitflags-1.3.2",
+        build_file = Label("@examples//vendor_external/crates:BUILD.bitflags-1.3.2.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__cfg-if-1.0.0",
+        sha256 = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/cfg-if/1.0.0/download"],
+        strip_prefix = "cfg-if-1.0.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.cfg-if-1.0.0.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__clap-3.1.18",
+        sha256 = "d2dbdf4bdacb33466e854ce889eee8dfd5729abf7ccd7664d0a2d60cd384440b",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/clap/3.1.18/download"],
+        strip_prefix = "clap-3.1.18",
+        build_file = Label("@examples//vendor_external/crates:BUILD.clap-3.1.18.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__clap_derive-3.1.18",
+        sha256 = "25320346e922cffe59c0bbc5410c8d8784509efb321488971081313cb1e1a33c",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/clap_derive/3.1.18/download"],
+        strip_prefix = "clap_derive-3.1.18",
+        build_file = Label("@examples//vendor_external/crates:BUILD.clap_derive-3.1.18.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__clap_lex-0.2.0",
+        sha256 = "a37c35f1112dad5e6e0b1adaff798507497a18fceeb30cceb3bae7d1427b9213",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/clap_lex/0.2.0/download"],
+        strip_prefix = "clap_lex-0.2.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.clap_lex-0.2.0.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__form_urlencoded-1.0.1",
+        sha256 = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/form_urlencoded/1.0.1/download"],
+        strip_prefix = "form_urlencoded-1.0.1",
+        build_file = Label("@examples//vendor_external/crates:BUILD.form_urlencoded-1.0.1.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__getrandom-0.2.6",
+        sha256 = "9be70c98951c83b8d2f8f60d7065fa6d5146873094452a1008da8c2f1e4205ad",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/getrandom/0.2.6/download"],
+        strip_prefix = "getrandom-0.2.6",
+        build_file = Label("@examples//vendor_external/crates:BUILD.getrandom-0.2.6.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__hashbrown-0.11.2",
+        sha256 = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/hashbrown/0.11.2/download"],
+        strip_prefix = "hashbrown-0.11.2",
+        build_file = Label("@examples//vendor_external/crates:BUILD.hashbrown-0.11.2.bazel"),
+    )
+
+    maybe(
+        http_archive,
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+        sha256 = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/heck/0.4.0/download"],
+        strip_prefix = "heck-0.4.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.heck-0.4.0.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__hermit-abi-0.1.19",
+        sha256 = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/hermit-abi/0.1.19/download"],
+        strip_prefix = "hermit-abi-0.1.19",
+        build_file = Label("@examples//vendor_external/crates:BUILD.hermit-abi-0.1.19.bazel"),
+    )
+
+    maybe(
+        http_archive,
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+        sha256 = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/idna/0.2.3/download"],
+        strip_prefix = "idna-0.2.3",
+        build_file = Label("@examples//vendor_external/crates:BUILD.idna-0.2.3.bazel"),
+    )
+
+    maybe(
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+        sha256 = "e6012d540c5baa3589337a98ce73408de9b5a25ec9fc2c6fd6be8f0d39e0ca5a",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/indexmap/1.8.2/download"],
+        strip_prefix = "indexmap-1.8.2",
+        build_file = Label("@examples//vendor_external/crates:BUILD.indexmap-1.8.2.bazel"),
+    )
+
+    maybe(
+        http_archive,
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+        sha256 = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/lazy_static/1.4.0/download"],
+        strip_prefix = "lazy_static-1.4.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.lazy_static-1.4.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/libc/0.2.126/download"],
+        strip_prefix = "libc-0.2.126",
+        build_file = Label("@examples//vendor_external/crates:BUILD.libc-0.2.126.bazel"),
+    )
+
+    maybe(
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+        sha256 = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/matches/0.1.9/download"],
+        strip_prefix = "matches-0.1.9",
+        build_file = Label("@examples//vendor_external/crates:BUILD.matches-0.1.9.bazel"),
+    )
+
+    maybe(
+        http_archive,
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+        sha256 = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/memchr/2.5.0/download"],
+        strip_prefix = "memchr-2.5.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.memchr-2.5.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "21326818e99cfe6ce1e524c2a805c189a99b5ae555a35d19f9a284b427d86afa",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/os_str_bytes/6.1.0/download"],
+        strip_prefix = "os_str_bytes-6.1.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.os_str_bytes-6.1.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/percent-encoding/2.1.0/download"],
+        strip_prefix = "percent-encoding-2.1.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.percent-encoding-2.1.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/ppv-lite86/0.2.16/download"],
+        strip_prefix = "ppv-lite86-0.2.16",
+        build_file = Label("@examples//vendor_external/crates:BUILD.ppv-lite86-0.2.16.bazel"),
+    )
+
+    maybe(
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+        sha256 = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/proc-macro-error/1.0.4/download"],
+        strip_prefix = "proc-macro-error-1.0.4",
+        build_file = Label("@examples//vendor_external/crates:BUILD.proc-macro-error-1.0.4.bazel"),
+    )
+
+    maybe(
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+        sha256 = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/proc-macro-error-attr/1.0.4/download"],
+        strip_prefix = "proc-macro-error-attr-1.0.4",
+        build_file = Label("@examples//vendor_external/crates:BUILD.proc-macro-error-attr-1.0.4.bazel"),
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+
+    maybe(
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+        sha256 = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/proc-macro2/1.0.39/download"],
+        strip_prefix = "proc-macro2-1.0.39",
+        build_file = Label("@examples//vendor_external/crates:BUILD.proc-macro2-1.0.39.bazel"),
+    )
+
+    maybe(
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+        sha256 = "ffade02495f22453cd593159ea2f59827aae7f53fa8323f756799b670881dcf8",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/pulldown-cmark/0.8.0/download"],
+        strip_prefix = "pulldown-cmark-0.8.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.pulldown-cmark-0.8.0.bazel"),
+    )
+
+    maybe(
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+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/quote/1.0.18/download"],
+        strip_prefix = "quote-1.0.18",
+        build_file = Label("@examples//vendor_external/crates:BUILD.quote-1.0.18.bazel"),
+    )
+
+    maybe(
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+        sha256 = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/rand/0.8.5/download"],
+        strip_prefix = "rand-0.8.5",
+        build_file = Label("@examples//vendor_external/crates:BUILD.rand-0.8.5.bazel"),
+    )
+
+    maybe(
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+        sha256 = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/rand_chacha/0.3.1/download"],
+        strip_prefix = "rand_chacha-0.3.1",
+        build_file = Label("@examples//vendor_external/crates:BUILD.rand_chacha-0.3.1.bazel"),
+    )
+
+    maybe(
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+        sha256 = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/rand_core/0.6.3/download"],
+        strip_prefix = "rand_core-0.6.3",
+        build_file = Label("@examples//vendor_external/crates:BUILD.rand_core-0.6.3.bazel"),
+    )
+
+    maybe(
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+        sha256 = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/regex/1.5.6/download"],
+        strip_prefix = "regex-1.5.6",
+        build_file = Label("@examples//vendor_external/crates:BUILD.regex-1.5.6.bazel"),
+    )
+
+    maybe(
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+        sha256 = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/regex-syntax/0.6.26/download"],
+        strip_prefix = "regex-syntax-0.6.26",
+        build_file = Label("@examples//vendor_external/crates:BUILD.regex-syntax-0.6.26.bazel"),
+    )
+
+    maybe(
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+        sha256 = "8cb243bdfdb5936c8dc3c45762a19d12ab4550cdc753bc247637d4ec35a040fd",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/semver/1.0.9/download"],
+        strip_prefix = "semver-1.0.9",
+        build_file = Label("@examples//vendor_external/crates:BUILD.semver-1.0.9.bazel"),
+    )
+
+    maybe(
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+        sha256 = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/serde/1.0.137/download"],
+        strip_prefix = "serde-1.0.137",
+        build_file = Label("@examples//vendor_external/crates:BUILD.serde-1.0.137.bazel"),
+    )
+
+    maybe(
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+        sha256 = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/strsim/0.10.0/download"],
+        strip_prefix = "strsim-0.10.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.strsim-0.10.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "0748dd251e24453cb8717f0354206b91557e4ec8703673a4b30208f2abaf1ebf",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/syn/1.0.96/download"],
+        strip_prefix = "syn-1.0.96",
+        build_file = Label("@examples//vendor_external/crates:BUILD.syn-1.0.96.bazel"),
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+
+    maybe(
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+        sha256 = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/termcolor/1.1.3/download"],
+        strip_prefix = "termcolor-1.1.3",
+        build_file = Label("@examples//vendor_external/crates:BUILD.termcolor-1.1.3.bazel"),
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+
+    maybe(
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+        sha256 = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/textwrap/0.15.0/download"],
+        strip_prefix = "textwrap-0.15.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.textwrap-0.15.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/tinyvec/1.6.0/download"],
+        strip_prefix = "tinyvec-1.6.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.tinyvec-1.6.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/tinyvec_macros/0.1.0/download"],
+        strip_prefix = "tinyvec_macros-0.1.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.tinyvec_macros-0.1.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7",
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+        urls = ["https://crates.io/api/v1/crates/toml/0.5.9/download"],
+        strip_prefix = "toml-0.5.9",
+        build_file = Label("@examples//vendor_external/crates:BUILD.toml-0.5.9.bazel"),
+    )
+
+    maybe(
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+        sha256 = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6",
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+        urls = ["https://crates.io/api/v1/crates/unicase/2.6.0/download"],
+        strip_prefix = "unicase-2.6.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.unicase-2.6.0.bazel"),
+    )
+
+    maybe(
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+        sha256 = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/unicode-bidi/0.3.8/download"],
+        strip_prefix = "unicode-bidi-0.3.8",
+        build_file = Label("@examples//vendor_external/crates:BUILD.unicode-bidi-0.3.8.bazel"),
+    )
+
+    maybe(
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+        sha256 = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/unicode-ident/1.0.0/download"],
+        strip_prefix = "unicode-ident-1.0.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.unicode-ident-1.0.0.bazel"),
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+
+    maybe(
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+        strip_prefix = "unicode-normalization-0.1.19",
+        build_file = Label("@examples//vendor_external/crates:BUILD.unicode-normalization-0.1.19.bazel"),
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+
+    maybe(
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+        urls = ["https://crates.io/api/v1/crates/url/2.2.2/download"],
+        strip_prefix = "url-2.2.2",
+        build_file = Label("@examples//vendor_external/crates:BUILD.url-2.2.2.bazel"),
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+
+    maybe(
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+        strip_prefix = "version-sync-0.9.4",
+        build_file = Label("@examples//vendor_external/crates:BUILD.version-sync-0.9.4.bazel"),
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+
+    maybe(
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+        sha256 = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f",
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+        urls = ["https://crates.io/api/v1/crates/version_check/0.9.4/download"],
+        strip_prefix = "version_check-0.9.4",
+        build_file = Label("@examples//vendor_external/crates:BUILD.version_check-0.9.4.bazel"),
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+
+    maybe(
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+        strip_prefix = "wasi-0.10.2+wasi-snapshot-preview1",
+        build_file = Label("@examples//vendor_external/crates:BUILD.wasi-0.10.2+wasi-snapshot-preview1.bazel"),
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+    maybe(
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+        strip_prefix = "winapi-0.3.9",
+        build_file = Label("@examples//vendor_external/crates:BUILD.winapi-0.3.9.bazel"),
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+        sha256 = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6",
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+        urls = ["https://crates.io/api/v1/crates/winapi-i686-pc-windows-gnu/0.4.0/download"],
+        strip_prefix = "winapi-i686-pc-windows-gnu-0.4.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.winapi-i686-pc-windows-gnu-0.4.0.bazel"),
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+    maybe(
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+        sha256 = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/winapi-util/0.1.5/download"],
+        strip_prefix = "winapi-util-0.1.5",
+        build_file = Label("@examples//vendor_external/crates:BUILD.winapi-util-0.1.5.bazel"),
+    )
+
+    maybe(
+        http_archive,
+        name = "crates_vendor__winapi-x86_64-pc-windows-gnu-0.4.0",
+        sha256 = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f",
+        type = "tar.gz",
+        urls = ["https://crates.io/api/v1/crates/winapi-x86_64-pc-windows-gnu/0.4.0/download"],
+        strip_prefix = "winapi-x86_64-pc-windows-gnu-0.4.0",
+        build_file = Label("@examples//vendor_external/crates:BUILD.winapi-x86_64-pc-windows-gnu-0.4.0.bazel"),
+    )
diff --git a/examples/crate_universe/vendor_external/remote_crate_test.rs b/examples/crate_universe/vendor_external/remote_crate_test.rs
new file mode 100644
index 0000000..f25340a
--- /dev/null
+++ b/examples/crate_universe/vendor_external/remote_crate_test.rs
@@ -0,0 +1,18 @@
+//! A Test module confirming the functionality of `cargo->bazel` with remote crates.
+
+use std::path::PathBuf;
+use std::process::Command;
+
+#[test]
+fn test_executable() {
+    let exe = PathBuf::from(env!("EXECUTABLE"));
+
+    let output = Command::new(exe)
+        .arg("--help")
+        .output()
+        .expect("Failed to run executable");
+
+    let text = String::from_utf8(output.stdout).unwrap();
+
+    assert!(text.contains("A random name generator with results like"));
+}