error[E0277]: `PhantomPinned` cannot be unpinned --> $DIR/pin-needed-to-poll-2.rs:43:18 | LL | Pin::new(&mut self.sleep).poll(cx) | -------- ^^^^^^^^^^^^^^^ within `Sleep`, the trait `Unpin` is not implemented for `PhantomPinned` | | | required by a bound introduced by this call | = note: consider using `Box::pin` note: required because it appears within the type `Sleep` --> $DIR/pin-needed-to-poll-2.rs:8:8 | LL | struct Sleep(std::marker::PhantomPinned); | ^^^^^ note: required by a bound in `Pin::

::new` --> $SRC_DIR/core/src/pin.rs:LL:COL error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.