tests/ui/error-codes/E0476.stderr

   1 error[E0119]: conflicting implementations of trait `CoerceUnsized<&Wrapper<_>>` for type `&Wrapper<_>`
   2   --> $DIR/E0476.rs:9:1
   3    |
   4 LL | impl<'a, 'b, T, S> CoerceUnsized<&'a Wrapper<T>> for &'b Wrapper<S> where S: Unsize<T> {}
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: conflicting implementation in crate `core`:
   8            - impl<'a, 'b, T, U> CoerceUnsized<&'a U> for &'b T
   9              where 'b: 'a, T: Unsize<U>, T: ?Sized, U: ?Sized;
  10
  11 error[E0476]: lifetime of the source pointer does not outlive lifetime bound of the object type
  12   --> $DIR/E0476.rs:9:1
  13    |
  14 LL | impl<'a, 'b, T, S> CoerceUnsized<&'a Wrapper<T>> for &'b Wrapper<S> where S: Unsize<T> {}
  15    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  16    |
  17 note: object type is valid for the lifetime `'a` as defined here
  18   --> $DIR/E0476.rs:9:6
  19    |
  20 LL | impl<'a, 'b, T, S> CoerceUnsized<&'a Wrapper<T>> for &'b Wrapper<S> where S: Unsize<T> {}
  21    |      ^^
  22 note: source pointer is only valid for the lifetime `'b` as defined here
  23   --> $DIR/E0476.rs:9:10
  24    |
  25 LL | impl<'a, 'b, T, S> CoerceUnsized<&'a Wrapper<T>> for &'b Wrapper<S> where S: Unsize<T> {}
  26    |          ^^
  27
  28 error: aborting due to 2 previous errors
  29
  30 Some errors have detailed explanations: E0119, E0476.
  31 For more information about an error, try `rustc --explain E0119`.