src/tools/clippy/tests/ui/needless_arbitrary_self_type_unfixable.stderr

   1 error: the type of the `self` parameter does not need to be arbitrary
   2   --> $DIR/needless_arbitrary_self_type_unfixable.rs:42:31
   3    |
   4 LL |         fn call_with_mut_self(self: &mut Self) {}
   5    |                               ^^^^^^^^^^^^^^^ help: consider to change this parameter to: `&'_ mut self`
   6    |
   7    = note: `-D clippy::needless-arbitrary-self-type` implied by `-D warnings`
   8
   9 error: aborting due to previous error
  10