error[E0277]: the trait bound `cross_crate::NonConst: ~const cross_crate::MyTrait` is not satisfied
  --> $DIR/cross-crate.rs:15:14
   |
LL |     NonConst.func();
   |              ^^^^^^ the trait `~const cross_crate::MyTrait` is not implemented for `cross_crate::NonConst`
   |
note: the trait `cross_crate::MyTrait` is implemented for `cross_crate::NonConst`, but that implementation is not `const`
  --> $DIR/cross-crate.rs:15:14
   |
LL |     NonConst.func();
   |              ^^^^^^

error[E0015]: cannot call non-const fn `<cross_crate::NonConst as cross_crate::MyTrait>::func` in constant functions
  --> $DIR/cross-crate.rs:15:14
   |
LL |     NonConst.func();
   |              ^^^^^^
   |
   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0015, E0277.
For more information about an error, try `rustc --explain E0015`.