error: struct `F` is never constructed --> $DIR/unused-enum.rs:3:8 | LL | struct F; | ^ | note: the lint level is defined here --> $DIR/unused-enum.rs:1:9 | LL | #![deny(unused)] | ^^^^^^ = note: `#[deny(dead_code)]` implied by `#[deny(unused)]` error: struct `B` is never constructed --> $DIR/unused-enum.rs:4:8 | LL | struct B; | ^ error: enum `E` is never used --> $DIR/unused-enum.rs:6:6 | LL | enum E { | ^ error: aborting due to 3 previous errors