cargo clippy fix

src/worker/worker.rs

@@ -50,12 +50,12 @@ impl<H: Handler, N: Notifier> Worker<H, N> {
         notifier: Arc<N>,
     ) -> Self {
         Self {
-            id: id,
-            manager: manager,
-            queue: queue,
+            id,
+            manager,
+            queue,
             status: Arc::new(Mutex::new(WorkerStatus::Pending)),
-            shared_handler: shared_handler,
-            notifier: notifier,
+            shared_handler,
+            notifier,
         }
     }
 
@@ -153,7 +153,7 @@ impl<H: Handler, N: Notifier> Manager<H, N> {
             status: ManagerStatus::Down,
             queue: Arc::new(Queue::new()),
             shared_handler: Arc::new(shared_handler),
-            notifier: notifier,
+            notifier,
         }
     }