error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/cross-crate-fail.rs:13:9
   |
LL |         consts::SOME => panic!(),
   |         ^^^^^^^^^^^^

error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/cross-crate-fail.rs:20:9
   |
LL |         <Defaulted as consts::AssocConst>::SOME  => panic!(),
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors