| error[E0658]: the `#[expect]` attribute is an experimental feature |
| --> $DIR/expect_missing_feature_gate.rs:5:1 |
| | |
| LL | #[expect(unused)] |
| | ^^^^^^^^^^^^^^^^^ |
| | |
| = note: see issue #54503 <https://github.com/rust-lang/rust/issues/54503> for more information |
| = help: add `#![feature(lint_reasons)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0658`. |
