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error[E0599]: no method named `poll` found for struct `Sleep` in the current scope
--> $DIR/pin-needed-to-poll.rs:42:20
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LL | struct Sleep;
| ------------ method `poll` not found for this struct
...
LL | self.sleep.poll(cx)
| ^^^^ method not found in `Sleep`
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help: consider pinning the expression
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LL ~ let mut pinned = std::pin::pin!(self.sleep);
LL ~ pinned.as_mut().poll(cx)
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0599`.
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