tests/ui/traits/impl.stderr

warning: method `t` is never used
  --> $DIR/impl.rs:15:8
   |
LL | trait T {
   |       - method in this trait
LL |     fn t(&self) {}
   |        ^
   |
   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default

warning: 1 warning emitted