diff --git a/libs/hamcrest-rust b/libs/hamcrest-rust
index 4c7d88245..634495ea0 160000
--- a/libs/hamcrest-rust
+++ b/libs/hamcrest-rust
@@ -1 +1 @@
-Subproject commit 4c7d8824550299dbddf2671515cba05f8d1a1fb2
+Subproject commit 634495ea08f3c3b019dc4e6d464ada83b00f926f
diff --git a/tests/tests.rs b/tests/tests.rs
index 3c74087d7..9e3684ba7 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -1,5 +1,5 @@
-#[feature(macro_rules)];
-#[allow(deprecated_owned_vector)];
+#![feature(macro_rules)]
+#![allow(deprecated_owned_vector)]
 
 extern crate cargo;
 extern crate hamcrest;