Don't propogate errors we'll never handle

src/thin_client.rs

@@ -366,7 +366,7 @@ pub fn poll_gossip_for_leader(leader_ncp: SocketAddr, timeout: Option<u64>) -> R
     let (node, gossip_socket) = Crdt::spy_node();
     let crdt = Arc::new(RwLock::new(Crdt::new(node).expect("Crdt::new")));
     let window = Arc::new(RwLock::new(vec![]));
-    let ncp = Ncp::new(&crdt.clone(), window, None, gossip_socket, exit.clone()).unwrap();
+    let ncp = Ncp::new(&crdt.clone(), window, None, gossip_socket, exit.clone());
     let leader_entry_point = NodeInfo::new_entry_point(&leader_ncp);
     crdt.write().unwrap().insert(&leader_entry_point);