1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index fc5c6968544..3f1975525e4 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -250,13 +250,14 @@
 #![feature(const_fn)]
 #![feature(core_float)]
 #![feature(core_intrinsics)]
-#![feature(dropck_parametricity)]
+#![feature(dropck_eyepatch)]
 #![feature(exact_size_is_empty)]
 #![feature(float_extras)]
 #![feature(float_from_str_radix)]
 #![feature(fn_traits)]
 #![feature(fnbox)]
 #![feature(fused)]
+#![feature(generic_param_attrs)]
 #![feature(hashmap_hasher)]
 #![feature(heap_api)]
 #![feature(inclusive_range)]