| 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 | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |