fix broken tests

Author: yoshuawuyts

library/alloctests/tests/lib.rs

@@ -12,6 +12,7 @@
 #![feature(int_format_into)]
 #![feature(linked_list_cursors)]
 #![feature(map_try_insert)]
+#![feature(move_trait)]
 #![feature(pattern)]
 #![feature(trusted_len)]
 #![feature(try_reserve_kind)]

library/coretests/tests/lib.rs

@@ -74,6 +74,7 @@
 #![feature(maybe_uninit_uninit_array_transpose)]
 #![feature(maybe_uninit_write_slice)]
 #![feature(min_specialization)]
+#![feature(move_trait)]
 #![feature(never_type)]
 #![feature(next_index)]
 #![feature(non_exhaustive_omitted_patterns_lint)]