tests/ui/rust-2018/remove-extern-crate.stderr

warning: unused extern crate
  --> $DIR/remove-extern-crate.rs:11:1
   |
LL | extern crate core;
   | ^^^^^^^^^^^^^^^^^^ unused
   |
note: the lint level is defined here
  --> $DIR/remove-extern-crate.rs:7:9
   |
LL | #![warn(rust_2018_idioms)]
   |         ^^^^^^^^^^^^^^^^
   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
help: remove the unused `extern crate`
   |
LL - extern crate core;
LL +
   |

warning: `extern crate` is not idiomatic in the new edition
  --> $DIR/remove-extern-crate.rs:35:5
   |
LL |     extern crate core;
   |     ^^^^^^^^^^^^^^^^^^
   |
help: convert it to a `use`
   |
LL -     extern crate core;
LL +     use core;
   |

warning: `extern crate` is not idiomatic in the new edition
  --> $DIR/remove-extern-crate.rs:45:5
   |
LL |     pub extern crate core;
   |     ^^^^^^^^^^^^^^^^^^^^^^
   |
help: convert it to a `use`
   |
LL -     pub extern crate core;
LL +     pub use core;
   |

warning: 3 warnings emitted