src/test/ui/lint/dead-code/impl-trait.stderr

   1 error: type alias `Unused` is never used
   2   --> $DIR/impl-trait.rs:12:1
   3    |
   4 LL | type Unused = ();
   5    | ^^^^^^^^^^^^^^^^^
   6    |
   7 note: the lint level is defined here
   8   --> $DIR/impl-trait.rs:1:9
   9    |
  10 LL | #![deny(dead_code)]
  11    |         ^^^^^^^^^
  12
  13 error: aborting due to previous error
  14