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warning: unused extern crate
--> $DIR/remove-extern-crate.rs:20:1
|
LL | extern crate core;
| ^^^^^^^^^^^^^^^^^^ help: remove it
|
note: lint level defined here
--> $DIR/remove-extern-crate.rs:18:9
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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:21:1
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LL | extern crate core as another_name;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert it to a `use`
warning: `extern crate` is not idiomatic in the new edition
--> $DIR/remove-extern-crate.rs:39:5
|
LL | extern crate core;
| ^^^^^^^^^^^^^^^^^^ help: convert it to a `use`
|
