error: attribute must be of the form `#[non_exhaustive]` --> $DIR/invalid-attribute.rs:3:1 | LL | #[non_exhaustive(anything)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0701]: attribute can only be applied to a struct or enum --> $DIR/invalid-attribute.rs:7:1 | LL | #[non_exhaustive] | ^^^^^^^^^^^^^^^^^ LL | //~^ ERROR attribute can only be applied to a struct or enum [E0701] LL | trait Bar { } | ------------- not a struct or enum error[E0701]: attribute can only be applied to a struct or enum --> $DIR/invalid-attribute.rs:11:1 | LL | #[non_exhaustive] | ^^^^^^^^^^^^^^^^^ LL | //~^ ERROR attribute can only be applied to a struct or enum [E0701] LL | / union Baz { LL | | f1: u16, LL | | f2: u16 LL | | } | |_- not a struct or enum error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0701`.