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error: `async` is a keyword in the 2018 edition
--> $DIR/async-ident-allowed.rs:9:9
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LL | let async = 3;
| ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
= note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
note: the lint level is defined here
--> $DIR/async-ident-allowed.rs:3:9
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LL | #![deny(rust_2018_compatibility)]
| ^^^^^^^^^^^^^^^^^^^^^^^
= note: `#[deny(keyword_idents)]` implied by `#[deny(rust_2018_compatibility)]`
error: aborting due to 1 previous error
|
