src/test/ui/type-alias-impl-trait/fallback.full_tait.stderr

   1 warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
   2   --> $DIR/fallback.rs:7:32
   3    |
   4 LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
   5    |                                ^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: `#[warn(incomplete_features)]` on by default
   8    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
   9
  10 warning: 1 warning emitted
  11