chore: bump to newer nightly (#1284)

tokio-sync/src/mpsc/block.rs

@@ -362,6 +362,7 @@ fn is_tx_closed(bits: usize) -> bool {
 
 impl<T> Values<T> {
     unsafe fn uninitialized() -> Values<T> {
+        #[allow(deprecated)]
         let mut vals = mem::uninitialized();
 
         // When fuzzing, `CausalCell` needs to be initialized.

tokio-sync/src/oneshot.rs

@@ -112,6 +112,7 @@ struct State(usize);
 /// # t.join().unwrap().wait().unwrap();
 /// ```
 pub fn channel<T>() -> (Sender<T>, Receiver<T>) {
+    #[allow(deprecated)]
     let inner = Arc::new(Inner {
         state: AtomicUsize::new(State::new().as_usize()),
         value: CausalCell::new(None),