src/test/ui/coherence/coherence-overlap-issue-23516.stderr

   1 error[E0119]: conflicting implementations of trait `Sweet` for type `Box<_>`
   2   --> $DIR/coherence-overlap-issue-23516.rs:8:1
   3    |
   4 LL | impl<T:Sugar> Sweet for T { }
   5    | ------------------------- first implementation here
   6 LL | impl<U:Sugar> Sweet for Box<U> { }
   7    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>`
   8    |
   9    = note: downstream crates may implement trait `Sugar` for type `std::boxed::Box<_>`
  10
  11 error: aborting due to previous error
  12
  13 For more information about this error, try `rustc --explain E0119`.