refact: add missing lifetime to AsDeref and AsDerefMut

src/inner/raw/mod.rs

@@ -184,7 +184,7 @@ impl<T: ?Sized, L: Lock, W: Wait> Mutex<T, L, W> {
         // SAFETY: The predecessor is guaranteed to be not null, since the tail
         // is initialized with a valid allocation, and all tail updates point
         // to valid, heap allocated nodes that outlive the predecessor thread.
-        unsafe { &*prev }.lock.wait_lock_relaxed::<W>();
+        unsafe { &(*prev).lock }.wait_lock_relaxed::<W>();
         fence(Acquire);
         MutexGuard::new(self, node)
     }

src/test.rs

@@ -69,7 +69,8 @@ impl<T: Deref> AsDeref for T {
 
     type Deref<'a> = &'a <Self as Deref>::Target
     where
-        Self: 'a;
+        Self: 'a,
+        Self::Target: 'a;
 
     fn as_deref(&self) -> Self::Deref<'_> {
         self
@@ -80,7 +81,8 @@ impl<T: Deref> AsDeref for T {
 impl<T: DerefMut> AsDerefMut for T {
     type DerefMut<'a> = &'a mut <Self as Deref>::Target
     where
-        Self: 'a;
+        Self: 'a,
+        Self::Target: 'a;
 
     fn as_deref_mut(&mut self) -> Self::DerefMut<'_> {
         self