error: attribute should be applied to closures
  --> $DIR/invalid_attr_usage.rs:5:1
   |
LL | #[coroutine]
   | ^^^^^^^^^^^^

error: attribute should be applied to closures
  --> $DIR/invalid_attr_usage.rs:9:1
   |
LL | #[coroutine]
   | ^^^^^^^^^^^^

error: aborting due to 2 previous errors