Adjust compile-errors expected output on nightly

Author: dhardy

compile-errors/nightly/expect-self-anon.stderr

@@ -5,8 +5,8 @@ error: expected `Self` or `Trait for Self`
   |              ^^
 
 error: expected expression, found end of macro arguments
- --> compile-errors/nightly/expect-self-anon.rs:2:13
-  |
+  --> compile-errors/nightly/expect-self-anon.rs:2:13
+   |
  2 |       let _ = impl_tools::impl_anon! {
    |  _____________^
  3 | |         #[derive(Clone, Debug)]

compile-errors/nightly/trait-autoimpl-with-sized-fn-bound.stderr

@@ -1,6 +1,6 @@
 warning: autoimpl on trait that has a method with Self: Sized bound
- --> compile-errors/nightly/trait-autoimpl-with-sized-fn-bound.rs:4:1
-  |
+  --> compile-errors/nightly/trait-autoimpl-with-sized-fn-bound.rs:4:1
+   |
  4 | #[autoimpl(for<'a, T> &'a T, &'a mut T, Box<T> where T: trait + ?Sized)]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |