src/test/ui/type-alias-impl-trait/bounds-are-checked.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/bounds-are-checked.rs:6:32
   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: unnecessary lifetime parameter `'a`
  11   --> $DIR/bounds-are-checked.rs:12:6
  12    |
  13 LL | fn f<'a: 'static>(t: &'a str) -> X<'a> {
  14    |      ^^^^^^^^^^^
  15    |
  16    = help: you can use the `'static` lifetime directly, in place of `'a`
  17
  18 error[E0308]: mismatched types
  19   --> $DIR/bounds-are-checked.rs:9:14
  20    |
  21 LL | type X<'a> = impl Into<&'static str> + From<&'a str>;
  22    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
  23    |
  24    = note: expected trait `From<&'a str>`
  25               found trait `From<&'static str>`
  26 note: the lifetime `'a` as defined on the item at 9:8...
  27   --> $DIR/bounds-are-checked.rs:9:8
  28    |
  29 LL | type X<'a> = impl Into<&'static str> + From<&'a str>;
  30    |        ^^
  31    = note: ...does not necessarily outlive the static lifetime
  32
  33 error: aborting due to previous error; 2 warnings emitted
  34
  35 For more information about this error, try `rustc --explain E0308`.