1 error: unused attribute
2 --> $DIR/deriving-meta-empty-trait-list.rs:3:1
7 note: lint level defined here
8 --> $DIR/deriving-meta-empty-trait-list.rs:1:9
12 = note: `#[deny(unused_attributes)]` implied by `#[deny(unused)]`
14 error: aborting due to previous error