Remove unnecessary or invalid feature attributes

src/liballoc/lib.rs

@@ -75,26 +75,22 @@
 #![deny(missing_debug_implementations)]
 
 #![cfg_attr(test, allow(deprecated))] // rand
-#![cfg_attr(not(test), feature(exact_size_is_empty))]
 #![cfg_attr(not(test), feature(generator_trait))]
 #![cfg_attr(test, feature(rand, test))]
 #![feature(allocator_api)]
 #![feature(allow_internal_unstable)]
 #![feature(arbitrary_self_types)]
-#![feature(ascii_ctype)]
 #![feature(box_into_raw_non_null)]
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(cfg_target_has_atomic)]
 #![feature(coerce_unsized)]
-#![feature(collections_range)]
 #![feature(const_fn)]
 #![feature(core_intrinsics)]
 #![feature(custom_attribute)]
 #![feature(dropck_eyepatch)]
 #![feature(exact_size_is_empty)]
 #![feature(fmt_internals)]
-#![feature(from_ref)]
 #![feature(fundamental)]
 #![feature(futures_api)]
 #![feature(lang_items)]
@@ -118,12 +114,10 @@
 #![feature(allocator_internals)]
 #![feature(on_unimplemented)]
 #![feature(exact_chunks)]
-#![feature(pointer_methods)]
-#![feature(inclusive_range_methods)]
 #![feature(rustc_const_unstable)]
 #![feature(const_vec_new)]
 
-#![cfg_attr(not(test), feature(fn_traits, i128))]
+#![cfg_attr(not(test), feature(fn_traits))]
 #![cfg_attr(test, feature(test))]
 
 // Allow testing this library