error: associated constant `BAR` is never used --> $DIR/associated-const-dead-code.rs:6:11 | LL | impl MyFoo { | ---------- associated constant in this implementation LL | const BAR: u32 = 1; | ^^^ | note: the lint level is defined here --> $DIR/associated-const-dead-code.rs:1:9 | LL | #![deny(dead_code)] | ^^^^^^^^^ error: aborting due to previous error