rust/src/test/ui/issue-37884.stderr

error[E0308]: method not compatible with trait
  --> $DIR/issue-37884.rs:17:5
   |
17 | /     fn next(&'a mut self) -> Option<Self::Item>
18 | |     //~^ ERROR method not compatible with trait
19 | |     //~| lifetime mismatch
20 | |     //~| NOTE expected type `fn(&mut RepeatMut<'a, T>) -> std::option::Option<&mut T>`
...  |
23 | |         Some(&mut self.0)
24 | |     }
   | |_____^ lifetime mismatch
   |
   = note: expected type `fn(&mut RepeatMut<'a, T>) -> std::option::Option<&mut T>`
              found type `fn(&'a mut RepeatMut<'a, T>) -> std::option::Option<&mut T>`
note: the anonymous lifetime #1 defined on the method body at 17:5...
  --> $DIR/issue-37884.rs:17:5
   |
17 | /     fn next(&'a mut self) -> Option<Self::Item>
18 | |     //~^ ERROR method not compatible with trait
19 | |     //~| lifetime mismatch
20 | |     //~| NOTE expected type `fn(&mut RepeatMut<'a, T>) -> std::option::Option<&mut T>`
...  |
23 | |         Some(&mut self.0)
24 | |     }
   | |_____^
note: ...does not necessarily outlive the lifetime 'a as defined on the impl at 13:1
  --> $DIR/issue-37884.rs:13:1
   |
13 | / impl<'a, T: 'a> Iterator for RepeatMut<'a, T> {
14 | |     //~^ NOTE ...does not necessarily outlive the lifetime 'a as defined on the impl
15 | |
16 | |     type Item = &'a mut T;
...  |
24 | |     }
25 | | }
   | |_^

error: aborting due to previous error