src/test/ui/impl-trait/issue-57201.stderr

   1 error: lifetimes in impl Trait types in bindings are not currently supported
   2   --> $DIR/issue-57201.rs:11:13
   3    |
   4 LL |     let f: &impl Fn(&'a T) -> &'b T = &|x| x;
   5    |             ^^^^^^^^^^^^^^^^^^^^^^^
   6
   7 error: aborting due to previous error
   8