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      "@@@STEP_LOG_LINE@json.output@    ], @@@",
      "@@@STEP_LOG_LINE@json.output@    \"linux\": [@@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-integration-----\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"fuchsia/third_party/sysroot/linux\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    ], @@@",
      "@@@STEP_LOG_LINE@json.output@    \"sdk\": [@@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-latest----------\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"fuchsia/sdk/core/linux-amd64\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    ]@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
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    "name": "create pkg_dir"
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  {
    "cmd": [],
    "name": "ensure cpython3"
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        "hostname": "rdbhost"
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    "~followup_annotations": [
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    "name": "ensure cpython3.install path/to/cpython3.ensure package directory",
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    "name": "ensure cpython3.install path/to/cpython3.ensure_installed",
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    "name": "generate environment",
    "~followup_annotations": [
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      "CARGO_TARGET_X86_64_FUCHSIA_RUSTFLAGS": "-Lnative=sdk/arch/x64/sysroot/lib -Cpanic=abort",
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    "name": "rust install"
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    "env": {
      "CARGO_TARGET_AARCH64_FUCHSIA_RUSTFLAGS": "-Lnative=sdk/arch/arm64/sysroot/lib -Cpanic=abort",
      "CARGO_TARGET_X86_64_FUCHSIA_RUSTFLAGS": "-Lnative=sdk/arch/x64/sysroot/lib -Cpanic=abort",
      "TEST_TOOLCHAIN_TMP_DIR": "[CLEANUP]/tmp_tmp_1"
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      "CARGO_TARGET_X86_64_FUCHSIA_RUSTFLAGS": "-Lnative=sdk/arch/x64/sysroot/lib -Cpanic=abort",
      "TEST_TOOLCHAIN_TMP_DIR": "[CLEANUP]/tmp_tmp_1"
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    "name": "rust test x86_64-fuchsia"
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    },
    "name": "generate runtime spec",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@json.output@[]@@@",
      "@@@STEP_LOG_END@json.output@@@"
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    },
    "name": "generate runtime.json",
    "stdin": "[]",
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      "@@@STEP_LOG_END@json.output[runtime.json] (read error)@@@"
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      "[START_DIR]/staging/build/fuchsia-build/aarch64-unknown-linux-gnu/llvm/bin/llvm-profdata",
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        "hostname": "rdbhost"
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    },
    "name": "distribute llvm-profdata"
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  {
    "cmd": [],
    "name": "cas",
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  {
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    "name": "cas.read infra revision",
    "~followup_annotations": [
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      "@@@STEP_LOG_LINE@infra.sha1@git_revision:mock_infra_git_revision@@@",
      "@@@STEP_LOG_END@infra.sha1@@@"
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  {
    "cmd": [],
    "name": "cas.install infra/tools/luci/cas",
    "~followup_annotations": [
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  {
    "cmd": [
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      "infra/tools/luci/cas/${platform} git_revision:mock_infra_git_revision",
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    "name": "cas.install infra/tools/luci/cas.ensure_installed",
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      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
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  {
    "cmd": [
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      "-paths-json",
      "[[\"[START_DIR]/staging/rust\", \".\"]]",
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    "infra_step": true,
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        "hostname": "rdbhost"
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    },
    "name": "cas.archive",
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    "~followup_annotations": [
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      "@@@STEP_LINK@CAS UI@https://cas-viewer.appspot.com/projects/example-cas-server/instances/default_instance/blobs/e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0/tree@@@"
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      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "generate host manifest file paths for linux-arm64",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@raw_io.output_text[package-manifest]@relative/file/path@@@",
      "@@@STEP_LOG_END@raw_io.output_text[package-manifest]@@@"
    ]
  },
  {
    "cmd": [],
    "name": "cipd",
    "~followup_annotations": [
      "@@@SET_BUILD_PROPERTY@git_revision@\"deadbeef\"@@@",
      "@@@SET_BUILD_PROPERTY@instance_id@\"40-chars-fake-of-the-package-instance_id\"@@@",
      "@@@SET_BUILD_PROPERTY@package@\"fuchsia/third_party/rust/host/linux-arm64\"@@@"
    ]
  },
  {
    "cmd": [
      "cipd",
      "pkg-build",
      "-pkg-def",
      "{\"data\": [{\"file\": \"relative/file/path\"}, {\"file\": \"bin/llvm-profdata\"}, {\"version_file\": \".versions/rust.cipd_version\"}], \"install_mode\": \"copy\", \"package\": \"fuchsia/third_party/rust/host/linux-arm64\", \"root\": \"[START_DIR]/staging/rust\"}",
      "-out",
      "[CLEANUP]/cipd-util-build_tmp_1/rust.pkg",
      "-hash-algo",
      "sha256",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "luci_context": {
      "realm": {
        "name": "fuchsia:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "cipd.build fuchsia/third_party/rust/host/linux-arm64",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"instance_id\": \"40-chars-fake-of-the-package-instance_id\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"package\": \"fuchsia/third_party/rust/host/linux-arm64\"@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [
      "cipd",
      "search",
      "fuchsia/third_party/rust/host/linux-arm64",
      "-tag",
      "git_revision:deadbeef",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "luci_context": {
      "realm": {
        "name": "fuchsia:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "cipd.cipd search fuchsia/third_party/rust/host/linux-arm64 git_revision:deadbeef",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"result\": []@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [
      "cipd",
      "pkg-register",
      "[CLEANUP]/cipd-util-build_tmp_1/rust.pkg",
      "-ref",
      "latest_beta",
      "-tag",
      "git_revision:deadbeef",
      "-tag",
      "ref:refs/heads/upstream/beta",
      "-tag",
      "version:1.19.0-nightly",
      "-metadata",
      "bbid:8945511751514863184",
      "-metadata",
      "git_repository:https://fuchsia.googlesource.com/third_party/rust",
      "-metadata",
      "ref:refs/heads/upstream/beta",
      "-metadata",
      "version:1.19.0-nightly",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "luci_context": {
      "realm": {
        "name": "fuchsia:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "cipd.register fuchsia/third_party/rust/host/linux-arm64",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"instance_id\": \"40-chars-fake-of-the-package-instance_id\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"package\": \"fuchsia/third_party/rust/host/linux-arm64\"@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LINK@fuchsia/third_party/rust/host/linux-arm64@https://chrome-infra-packages.appspot.com/p/fuchsia/third_party/rust/host/linux-arm64/+/40-chars-fake-of-the-package-instance_id@@@"
    ]
  },
  {
    "name": "$result"
  }
]