v0.1.x: Don't deny warnings (#1368)

This is just too aggressive for a stable maintenance branch of tokio,
in that new rust release warnings are prooving too hard to fix.

tokio-sync/tests/atomic_task.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate futures;
 extern crate tokio_mock_task;
 extern crate tokio_sync;

tokio-sync/tests/errors.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate tokio_sync;
 
 fn is_error<T: ::std::error::Error + Send + Sync>() {}

tokio-sync/tests/fuzz_list.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate futures;
 #[macro_use]
 extern crate loom;

tokio-sync/tests/fuzz_oneshot.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate futures;
 extern crate loom;
 

tokio-sync/tests/fuzz_semaphore.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 #[macro_use]
 extern crate futures;
 #[macro_use]

tokio-sync/tests/lock.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate futures;
 extern crate tokio_mock_task;
 extern crate tokio_sync;

tokio-sync/tests/mpsc.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate futures;
 extern crate tokio_mock_task;
 extern crate tokio_sync;

tokio-sync/tests/oneshot.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate futures;
 extern crate tokio_mock_task;
 extern crate tokio_sync;

tokio-sync/tests/semaphore.rs

@@ -1,5 +1,3 @@
-#![deny(warnings)]
-
 extern crate futures;
 extern crate tokio_mock_task;
 extern crate tokio_sync;