src/test/ui/span/issue-29595.stderr

   1 error[E0277]: the trait bound `u8: Tr` is not satisfied
   2   --> $DIR/issue-29595.rs:6:17
   3    |
   4 LL |     const C: Self;
   5    |     -------------- required by `Tr::C`
   6 ...
   7 LL |     let a: u8 = Tr::C;
   8    |                 ^^^^^ the trait `Tr` is not implemented for `u8`
   9
  10 error: aborting due to previous error
  11
  12 For more information about this error, try `rustc --explain E0277`.