rust/src/test/ui/impl_trait_projections.stderr

error[E0667]: `impl Trait` is not allowed in path parameters
  --> $DIR/impl_trait_projections.rs:23:51
   |
LL | fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item {
   |                                                   ^^^^^^^^^^^^^

error[E0667]: `impl Trait` is not allowed in path parameters
  --> $DIR/impl_trait_projections.rs:30:9
   |
LL |     -> <impl Iterator as Iterator>::Item
   |         ^^^^^^^^^^^^^

error[E0667]: `impl Trait` is not allowed in path parameters
  --> $DIR/impl_trait_projections.rs:37:27
   |
LL |     -> <::std::ops::Range<impl Debug> as Iterator>::Item
   |                           ^^^^^^^^^^

error[E0667]: `impl Trait` is not allowed in path parameters
  --> $DIR/impl_trait_projections.rs:44:29
   |
LL |     -> <dyn Iterator<Item = impl Debug> as Iterator>::Item
   |                             ^^^^^^^^^^

error[E0223]: ambiguous associated type
  --> $DIR/impl_trait_projections.rs:23:50
   |
LL | fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item {
   |                                                  ^^^^^^^^^^^^^^^^^^^^^ ambiguous associated type
   |
   = note: specify the type using the syntax `<impl std::iter::Iterator as Trait>::Item`

error: aborting due to 5 previous errors

You've got a few errors: E0223, E0667
If you want more information on an error, try using "rustc --explain E0223"