src/test/ui/issues/issue-60218.stderr

   1 error[E0277]: the trait bound `for<'t> <Map<<&'t _ as IntoIterator>::IntoIter, _> as Iterator>::Item: Foo` is not satisfied
   2   --> $DIR/issue-60218.rs:18:5
   3    |
   4 LL | pub fn trigger_error<I, F>(iterable: I, functor: F)
   5    |        ------------- required by a bound in this
   6 ...
   7 LL | for<'t> <Map<<&'t I as IntoIterator>::IntoIter, F> as Iterator>::Item: Foo,
   8    |                                                                        --- required by this bound in `trigger_error`
   9 ...
  10 LL |     trigger_error(vec![], |x: &u32| x)
  11    |     ^^^^^^^^^^^^^ the trait `for<'t> Foo` is not implemented for `<Map<<&'t _ as IntoIterator>::IntoIter, _> as Iterator>::Item`
  12
  13 error: aborting due to previous error
  14
  15 For more information about this error, try `rustc --explain E0277`.