| // Copyright 2018 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // edition:2018 |
| |
| #![feature(uniform_paths)] |
| |
| // Tests that arbitrary crates (other than `core`, `std` and `meta`) |
| // aren't allowed without `--extern`, even if they're in the sysroot. |
| use alloc; //~ ERROR unresolved import `alloc` |
| use test; //~ ERROR cannot import a built-in macro |
| use proc_macro; // OK, imports the built-in `proc_macro` attribute, but not the `proc_macro` crate. |
| |
| fn main() {} |
