error: attribute must be of the form `#[unstable(feature = "name", reason = "...", issue = "N")]` --> $DIR/stability-attribute-sanity-4.rs:8:5 | LL | #[unstable] | ^^^^^^^^^^^ error: attribute must be of the form `#[unstable(feature = "name", reason = "...", issue = "N")]` --> $DIR/stability-attribute-sanity-4.rs:11:5 | LL | #[unstable = "b"] | ^^^^^^^^^^^^^^^^^ error: attribute must be of the form `#[stable(feature = "name", since = "version")]` --> $DIR/stability-attribute-sanity-4.rs:14:5 | LL | #[stable] | ^^^^^^^^^ error: attribute must be of the form `#[stable(feature = "name", since = "version")]` --> $DIR/stability-attribute-sanity-4.rs:17:5 | LL | #[stable = "a"] | ^^^^^^^^^^^^^^^ error: attribute must be of the form `#[rustc_deprecated(since = "version", reason = "...")]` --> $DIR/stability-attribute-sanity-4.rs:21:5 | LL | #[rustc_deprecated] | ^^^^^^^^^^^^^^^^^^^ error: attribute must be of the form `#[rustc_deprecated(since = "version", reason = "...")]` --> $DIR/stability-attribute-sanity-4.rs:25:5 | LL | #[rustc_deprecated = "a"] | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 6 previous errors