error[E0277]: `[static generator@$DIR/static-not-unpin.rs:11:25: 11:34]` cannot be unpinned --> $DIR/static-not-unpin.rs:14:18 | LL | assert_unpin(generator); | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `[static generator@$DIR/static-not-unpin.rs:11:25: 11:34]` | | | required by a bound introduced by this call | = note: consider using `Box::pin` note: required by a bound in `assert_unpin` --> $DIR/static-not-unpin.rs:7:20 | LL | fn assert_unpin(_: T) { | ^^^^^ required by this bound in `assert_unpin` error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.