Fixed some warnings

crdt-node/tests/side_node.rs

@@ -43,12 +43,12 @@ async fn setup(_: &str) -> SideNode {
 
     // Finally, create the node and return it
     let handle = websocket::Client::new(incoming_sender).await;
-    let node = SideNode::new(
+
+    SideNode::new(
         crdt,
         bft_crdt_keys,
         incoming_receiver,
         stdin_receiver,
         handle,
-    );
-    node
+    )
 }