Rustls v0.21 support (#480)

actix-utils/src/counter.rs

@@ -29,7 +29,7 @@ impl Counter {
 
     /// Returns true if counter is below capacity. Otherwise, register to wake task when it is.
     #[inline]
-    pub fn available(&self, cx: &mut task::Context<'_>) -> bool {
+    pub fn available(&self, cx: &task::Context<'_>) -> bool {
         self.0.available(cx)
     }
 
@@ -59,7 +59,7 @@ impl CounterInner {
         }
     }
 
-    fn available(&self, cx: &mut task::Context<'_>) -> bool {
+    fn available(&self, cx: &task::Context<'_>) -> bool {
         if self.count.get() < self.capacity {
             true
         } else {

actix-utils/src/future/poll_fn.rs

@@ -62,6 +62,7 @@ where
     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         // SAFETY: we are not moving out of the pinned field
         // see https://github.com/rust-lang/rust/pull/102737
+        #[allow(clippy::needless_borrow)]
         (unsafe { &mut self.get_unchecked_mut().f })(cx)
     }
 }