Remove unnecessary or invalid feature attributes

10 files changed, 3 insertions, 39 deletions

diff --git a/src/etc/test-float-parse/many-digits.rs b/src/etc/test-float-parse/many-digits.rs
index 674c30ad84e..469a38da2b8 100644
--- a/src/etc/test-float-parse/many-digits.rs
+++ b/src/etc/test-float-parse/many-digits.rs
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(rand)]
-
 extern crate rand;
 
 mod _common;
diff --git a/src/etc/test-float-parse/rand-f64.rs b/src/etc/test-float-parse/rand-f64.rs
index 1d82912054e..2994dd9d5e6 100644
--- a/src/etc/test-float-parse/rand-f64.rs
+++ b/src/etc/test-float-parse/rand-f64.rs
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(rand)]
-
 extern crate rand;
 
 mod _common;
diff --git a/src/liballoc/benches/lib.rs b/src/liballoc/benches/lib.rs
index 4f69aa6670b..b4f4fd74f3a 100644
--- a/src/liballoc/benches/lib.rs
+++ b/src/liballoc/benches/lib.rs
@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(rand)]
 #![feature(repr_simd)]
 #![feature(slice_sort_by_cached_key)]
 #![feature(test)]
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index ca1b7507b5e..aaafcd84dd7 100644
--- a/src/liballoc/lib.rs
+++ b/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
diff --git a/src/liballoc/tests/lib.rs b/src/liballoc/tests/lib.rs
index 618aff963f2..ad1e5807562 100644
--- a/src/liballoc/tests/lib.rs
+++ b/src/liballoc/tests/lib.rs
@@ -16,7 +16,6 @@
 #![feature(drain_filter)]
 #![feature(exact_size_is_empty)]
 #![feature(pattern)]
-#![feature(rand)]
 #![feature(slice_sort_by_cached_key)]
 #![feature(splice)]
 #![feature(str_escape)]
diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
index 72074e1dbce..a4a01990c22 100644
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -82,7 +82,6 @@
 #![feature(concat_idents)]
 #![feature(const_fn)]
 #![feature(const_int_ops)]
-#![feature(core_float)]
 #![feature(custom_attribute)]
 #![feature(doc_cfg)]
 #![feature(doc_spotlight)]
@@ -102,8 +101,6 @@
 #![feature(rustc_attrs)]
 #![feature(rustc_const_unstable)]
 #![feature(simd_ffi)]
-#![feature(core_slice_ext)]
-#![feature(core_str_ext)]
 #![feature(specialization)]
 #![feature(staged_api)]
 #![feature(stmt_expr_attributes)]
@@ -111,7 +108,6 @@
 #![feature(untagged_unions)]
 #![feature(unwind_attributes)]
 #![feature(doc_alias)]
-#![feature(inclusive_range_methods)]
 #![feature(mmx_target_feature)]
 #![feature(tbm_target_feature)]
 #![feature(sse4a_target_feature)]
diff --git a/src/libcore/tests/lib.rs b/src/libcore/tests/lib.rs
index 2323b30a010..87bb623a5b1 100644
--- a/src/libcore/tests/lib.rs
+++ b/src/libcore/tests/lib.rs
@@ -8,10 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(ascii_ctype)]
 #![feature(box_syntax)]
 #![feature(cell_update)]
-#![feature(core_float)]
 #![feature(core_private_bignum)]
 #![feature(core_private_diy_float)]
 #![feature(dec2flt)]
@@ -19,7 +17,6 @@
 #![feature(euclidean_division)]
 #![feature(exact_size_is_empty)]
 #![feature(fixed_size_array)]
-#![feature(float_internals)]
 #![feature(flt2dec)]
 #![feature(fmt_internals)]
 #![feature(hashmap_internals)]
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 3c01de2e997..4f462658eb6 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -250,17 +250,13 @@
 #![feature(cfg_target_thread_local)]
 #![feature(cfg_target_vendor)]
 #![feature(char_error_internals)]
-#![feature(char_internals)]
-#![feature(collections_range)]
 #![feature(compiler_builtins_lib)]
 #![feature(const_fn)]
 #![feature(core_intrinsics)]
 #![feature(dropck_eyepatch)]
 #![feature(exact_size_is_empty)]
 #![feature(external_doc)]
-#![feature(fs_read_write)]
 #![feature(fixed_size_array)]
-#![feature(float_from_str_radix)]
 #![feature(fn_traits)]
 #![feature(fnbox)]
 #![feature(futures_api)]
@@ -268,7 +264,6 @@
 #![feature(hashmap_internals)]
 #![feature(int_error_internals)]
 #![feature(integer_atomics)]
-#![feature(into_cow)]
 #![feature(lang_items)]
 #![feature(libc)]
 #![feature(link_args)]
@@ -277,34 +272,25 @@
 #![feature(needs_panic_runtime)]
 #![feature(never_type)]
 #![feature(exhaustive_patterns)]
-#![feature(num_bits_bytes)]
-#![feature(old_wrapping)]
 #![feature(on_unimplemented)]
-#![feature(oom)]
 #![feature(optin_builtin_traits)]
 #![feature(panic_internals)]
 #![feature(panic_unwind)]
-#![feature(peek)]
 #![feature(pin)]
-#![feature(placement_new_protocol)]
 #![feature(prelude_import)]
 #![feature(ptr_internals)]
-#![feature(rand)]
 #![feature(raw)]
 #![feature(rustc_attrs)]
 #![feature(std_internals)]
 #![feature(stdsimd)]
 #![feature(shrink_to)]
-#![feature(slice_bytes)]
 #![feature(slice_concat_ext)]
 #![feature(slice_internals)]
 #![feature(slice_patterns)]
 #![feature(staged_api)]
 #![feature(stmt_expr_attributes)]
-#![feature(str_char)]
 #![feature(str_internals)]
-#![feature(str_utf16)]
-#![feature(test, rustc_private)]
+#![feature(rustc_private)]
 #![feature(thread_local)]
 #![feature(toowned_clone_into)]
 #![feature(try_from)]
@@ -313,7 +299,6 @@
 #![feature(untagged_unions)]
 #![feature(unwind_attributes)]
 #![feature(use_extern_macros)]
-#![feature(vec_push_all)]
 #![feature(doc_cfg)]
 #![feature(doc_masked)]
 #![feature(doc_spotlight)]
@@ -321,7 +306,6 @@
 #![cfg_attr(windows, feature(used))]
 #![feature(doc_alias)]
 #![feature(doc_keyword)]
-#![feature(float_internals)]
 #![feature(panic_info_message)]
 #![feature(panic_implementation)]
 
diff --git a/src/libsyntax/lib.rs b/src/libsyntax/lib.rs
index 0c105865e0c..c8e60620248 100644
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -19,7 +19,6 @@
        html_root_url = "https://doc.rust-lang.org/nightly/",
        test(attr(deny(warnings))))]
 
-#![feature(const_atomic_usize_new)]
 #![feature(crate_visibility_modifier)]
 #![feature(macro_at_most_once_rep)]
 #![feature(rustc_attrs)]
diff --git a/src/test/run-pass/utf8_chars.rs b/src/test/run-pass/utf8_chars.rs
index b54aed79665..2602e395bcc 100644
--- a/src/test/run-pass/utf8_chars.rs
+++ b/src/test/run-pass/utf8_chars.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 //
 
-#![feature(core, str_char)]
+#![feature(core)]
 
 use std::str;