| warning: unused extern crate |
| --> $DIR/remove-extern-crate.rs:9:1 |
| | |
| LL | extern crate core; |
| | ^^^^^^^^^^^^^^^^^^ help: remove it |
| | |
| 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)]` |
| |
| warning: `extern crate` is not idiomatic in the new edition |
| --> $DIR/remove-extern-crate.rs:32:5 |
| | |
| LL | extern crate core; |
| | ^^^^^^^^^^^^^^^^^^ help: convert it to a `use` |
| |
| warning: 2 warnings emitted |
| |
