diff --git a/actix-rt/src/lib.rs b/actix-rt/src/lib.rs
index 9627eee6..8d12e88f 100644
--- a/actix-rt/src/lib.rs
+++ b/actix-rt/src/lib.rs
@@ -1,4 +1,5 @@
 //! A runtime implementation that runs everything on the current thread.
+#![deny(rust_2018_idioms, warnings)]
 #![forbid(unsafe_code)]
 
 use std::future::Future;
diff --git a/actix-testing/src/lib.rs b/actix-testing/src/lib.rs
index 4bf7015a..42bba401 100644
--- a/actix-testing/src/lib.rs
+++ b/actix-testing/src/lib.rs
@@ -90,7 +90,7 @@ impl TestServer {
                     .unwrap()
                     .workers(1)
                     .disable_signals()
-                    .start()
+                    .start();
             });
 
             tx.send((System::current(), local_addr)).unwrap();