refactor[alloc]: remove unused box syntax feature

diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs
index d6d2b055b2395e8563543ed0628189b5b975823c..2a93a242d51744e02e5fa196579898a67f9d682d 100644 (file)
--- a/library/alloc/tests/lib.rs
+++ b/library/alloc/tests/lib.rs
@@ -1,7 +1,6 @@
 #![feature(allocator_api)]
 #![feature(alloc_layout_extra)]
 #![feature(assert_matches)]
-#![feature(box_syntax)]
 #![feature(btree_drain_filter)]
 #![feature(cow_is_borrowed)]
 #![feature(const_box)]