src/test/ui/lint/lint-match-arms.stderr

   1 error: unused variable: `y`
   2   --> $DIR/lint-match-arms.rs:5:9
   3    |
   4 LL |         y => (),
   5    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
   6    |
   7 note: the lint level is defined here
   8   --> $DIR/lint-match-arms.rs:3:16
   9    |
  10 LL |         #[deny(unused_variables)]
  11    |                ^^^^^^^^^^^^^^^^
  12
  13 error: aborting due to previous error
  14