1 warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
2 --> $DIR/issue-53598.rs:5:32
4 LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
5 | ^^^^^^^^^^^^^^^^^^^^^
7 = note: `#[warn(incomplete_features)]` on by default
8 = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
10 error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias
11 --> $DIR/issue-53598.rs:24:42
13 LL | fn foo<T: Debug>(_: T) -> Self::Item {
14 | __________________________________________^
16 LL | | S::<T>(Default::default())
20 error: aborting due to previous error; 1 warning emitted