chore: fix ci failures

library/core/src/task/wake.rs

@@ -269,7 +269,7 @@ impl fmt::Debug for Context<'_> {
 /// #![feature(noop_waker)]
 /// use std::task::{ContextBuilder, LocalWaker, Waker, Poll};
 /// use std::future::Future;
-/// 
+///
 /// let local_waker = LocalWaker::noop();
 /// let waker = Waker::noop();
 ///
@@ -347,7 +347,7 @@ impl<'a> ContextBuilder<'a> {
 /// use std::task::{Waker, ContextBuilder};
 /// use std::future::{poll_fn, Future};
 /// use std::pin::pin;
-/// 
+///
 /// async fn with_waker<F>(f: F, waker: &Waker) -> F::Output
 /// where
 ///     F: Future
@@ -365,7 +365,7 @@ impl<'a> ContextBuilder<'a> {
 ///         f.as_mut().poll(&mut cx)
 ///     }).await
 /// }
-///  
+///
 /// # async fn __() {
 /// with_waker(async { /* ... */ }, &Waker::noop()).await;
 /// # }