src/test/ui/generic-associated-types/trait-objects.extended.stderr

   1 error[E0521]: borrowed data escapes outside of function
   2   --> $DIR/trait-objects.rs:16:5
   3    |
   4 LL | fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize {
   5    |             -  - let's call the lifetime of this reference `'1`
   6    |             |
   7    |             `x` is a reference that is only valid in the function body
   8 LL |
   9 LL |     x.size_hint().0
  10    |     ^^^^^^^^^^^^^
  11    |     |
  12    |     `x` escapes the function body here
  13    |     argument requires that `'1` must outlive `'static`
  14
  15 error: aborting due to previous error
  16
  17 For more information about this error, try `rustc --explain E0521`.