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-rw-r--r--src/libcollectionstest/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcollectionstest/lib.rs b/src/libcollectionstest/lib.rs
index f03a073e274..456c658a9c6 100644
--- a/src/libcollectionstest/lib.rs
+++ b/src/libcollectionstest/lib.rs
@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![allow(deprecated)]
 #![feature(box_syntax)]
 #![feature(collections)]
 #![feature(core)]
@@ -21,6 +20,7 @@
 #![feature(unicode)]
 #![feature(unsafe_destructor)]
 #![feature(into_cow)]
+#![feature(step_by)]
 #![cfg_attr(test, feature(str_char))]
 
 #[macro_use] extern crate log;