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warning: `try` is a keyword in the 2018 edition
--> $DIR/try-macro.rs:12:5
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LL | try!(x);
| ^^^ help: you can use a raw identifier to stay compatible: `r#try`
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note: the lint level is defined here
--> $DIR/try-macro.rs:6:9
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LL | #![warn(rust_2018_compatibility)]
| ^^^^^^^^^^^^^^^^^^^^^^^
= note: `#[warn(keyword_idents)]` implied by `#[warn(rust_2018_compatibility)]`
= 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>
warning: 1 warning emitted
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