error[E0199]: implementing the trait `MySafeTrait` is not unsafe
  --> $DIR/coherence-default-trait-impl.rs:7:1
   |
LL | unsafe impl MySafeTrait for Foo {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0200]: the trait `MyUnsafeTrait` requires an `unsafe impl` declaration
  --> $DIR/coherence-default-trait-impl.rs:12:1
   |
LL | impl MyUnsafeTrait for Foo {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0199, E0200.
For more information about an error, try `rustc --explain E0199`.