error[E0277]: `{static coroutine@$DIR/static-not-unpin.rs:15:25: 15:34}` cannot be unpinned --> $DIR/static-not-unpin.rs:18:18 | LL | assert_unpin(coroutine); | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/static-not-unpin.rs:15:25: 15:34}` | | | required by a bound introduced by this call | = note: consider using the `pin!` macro consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `assert_unpin` --> $DIR/static-not-unpin.rs:11:20 | LL | fn assert_unpin(_: T) { | ^^^^^ required by this bound in `assert_unpin` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`.