1 error: an `#[unstable]` annotation here has no effect
2 --> $DIR/stability-attribute-trait-impl.rs:24:1
4 LL | #[unstable(feature = "x", issue = "none")]
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 = note: `#[deny(ineffective_unstable_trait_impl)]` on by default
8 = note: see issue #55436 <https://github.com/rust-lang/rust/issues/55436> for more information
10 error: aborting due to previous error