1 files changed, 2 insertions, 0 deletions
diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs
index 16d3b368595..11cd998c957 100644
--- a/library/alloc/tests/lib.rs
+++ b/library/alloc/tests/lib.rs
@@ -12,6 +12,7 @@
 #![feature(const_nonnull_slice_from_raw_parts)]
 #![feature(const_ptr_write)]
 #![feature(const_try)]
+#![feature(core_ffi_c)]
 #![feature(core_intrinsics)]
 #![feature(drain_filter)]
 #![feature(exact_size_is_empty)]
@@ -49,6 +50,7 @@ mod binary_heap;
 mod borrow;
 mod boxed;
 mod btree_set_hash;
+mod c_str;
 mod const_fns;
 mod cow_str;
 mod fmt;