1 warning: `try` is a keyword in the 2018 edition
2 --> $DIR/try-macro.rs:12:5
5 | ^^^ help: you can use a raw identifier to stay compatible: `r#try`
7 note: lint level defined here
8 --> $DIR/try-macro.rs:6:9
10 LL | #![warn(rust_2018_compatibility)]
11 | ^^^^^^^^^^^^^^^^^^^^^^^
12 = note: `#[warn(keyword_idents)]` implied by `#[warn(rust_2018_compatibility)]`
13 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
14 = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>