error[E0518]: attribute should be applied to function or closure --> $DIR/issue-31769.rs:2:5 | LL | #[inline] struct Foo; | ^^^^^^^^^ ----------- not a function or closure error[E0517]: attribute should be applied to a struct, enum, or union --> $DIR/issue-31769.rs:3:12 | LL | #[repr(C)] fn foo() {} | ^ ----------- not a struct, enum, or union error: aborting due to 2 previous errors Some errors have detailed explanations: E0517, E0518. For more information about an error, try `rustc --explain E0517`.