error: implementation of `Parser` is not general enough
  --> $DIR/issue-71955.rs:54:5
   |
LL |     foo(bar, "string", |s| s.len() == 5);
   |     ^^^ implementation of `Parser` is not general enough
   |
   = note: `for<'a> fn(&'a str) -> (&'a str, &'a str) {bar}` must implement `Parser<'0>`, for any lifetime `'0`...
   = note: ...but it actually implements `Parser<'1>`, for some specific lifetime `'1`

error: implementation of `Parser` is not general enough
  --> $DIR/issue-71955.rs:58:5
   |
LL |     foo(baz, "string", |s| s.0.len() == 5);
   |     ^^^ implementation of `Parser` is not general enough
   |
   = note: `for<'a> fn(&'a str) -> (&'a str, Wrapper<'a>) {baz}` must implement `Parser<'0>`, for any lifetime `'0`...
   = note: ...but it actually implements `Parser<'1>`, for some specific lifetime `'1`

error: aborting due to 2 previous errors