src/test/ui/issues/issue-21160.stderr

   1 error[E0277]: the trait bound `Bar: std::hash::Hash` is not satisfied
   2   --> $DIR/issue-21160.rs:9:12
   3    |
   4 LL | struct Foo(Bar);
   5    |            ^^^ the trait `std::hash::Hash` is not implemented for `Bar`
   6    |
   7   ::: $SRC_DIR/libcore/hash/mod.rs:LL:COL
   8    |
   9 LL |     fn hash<H: Hasher>(&self, state: &mut H);
  10    |             - required by this bound in `std::hash::Hash::hash`
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0277`.