src/test/ui/generic-associated-types/issue-80433.stderr

   1 error[E0107]: missing generics for associated type `TestMut::Output`
   2   --> $DIR/issue-80433.rs:24:47
   3    |
   4 LL | fn test_simpler<'a>(dst: &'a mut impl TestMut<Output = &'a mut f32>)
   5    |                                               ^^^^^^ expected 1 lifetime argument
   6    |
   7 note: associated type defined here, with 1 lifetime parameter: `'a`
   8   --> $DIR/issue-80433.rs:10:10
   9    |
  10 LL |     type Output<'a>;
  11    |          ^^^^^^ --
  12 help: add missing lifetime argument
  13    |
  14 LL | fn test_simpler<'a>(dst: &'a mut impl TestMut<Output<'a> = &'a mut f32>)
  15    |                                               ^^^^^^^^^^
  16
  17 error: aborting due to previous error
  18
  19 For more information about this error, try `rustc --explain E0107`.