Remove unnecessary feature attributes that sneaked in

src/librustc/lib.rs

@@ -45,8 +45,6 @@
 #![feature(const_fn)]
 #![feature(core_intrinsics)]
 #![feature(drain_filter)]
-#![feature(from_ref)]
-#![feature(fs_read_write)]
 #![feature(iterator_find_map)]
 #![cfg_attr(windows, feature(libc))]
 #![feature(macro_vis_matcher)]
@@ -72,7 +70,6 @@
 #![feature(test)]
 #![feature(in_band_lifetimes)]
 #![feature(macro_at_most_once_rep)]
-#![feature(inclusive_range_methods)]
 #![feature(crate_in_paths)]
 
 #![recursion_limit="512"]

src/librustc_borrowck/lib.rs

@@ -14,7 +14,6 @@
 
 #![allow(non_camel_case_types)]
 
-#![feature(from_ref)]
 #![feature(quote)]
 
 #![recursion_limit="256"]

src/librustc_codegen_llvm/lib.rs

@@ -23,7 +23,6 @@
 #![feature(crate_visibility_modifier)]
 #![feature(custom_attribute)]
 #![feature(extern_types)]
-#![feature(fs_read_write)]
 #![feature(in_band_lifetimes)]
 #![allow(unused_attributes)]
 #![feature(libc)]

src/librustc_data_structures/lib.rs

@@ -20,7 +20,6 @@
       html_favicon_url = "https://www.rust-lang.org/favicon.ico",
       html_root_url = "https://doc.rust-lang.org/nightly/")]
 
-#![feature(collections_range)]
 #![feature(unboxed_closures)]
 #![feature(fn_traits)]
 #![feature(unsize)]

src/librustc_incremental/lib.rs

@@ -14,7 +14,6 @@
       html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
       html_root_url = "https://doc.rust-lang.org/nightly/")]
 
-#![feature(fs_read_write)]
 #![feature(specialization)]
 
 #![recursion_limit="256"]

src/librustc_metadata/lib.rs

@@ -13,7 +13,6 @@
        html_root_url = "https://doc.rust-lang.org/nightly/")]
 
 #![feature(box_patterns)]
-#![feature(fs_read_write)]
 #![feature(libc)]
 #![feature(macro_at_most_once_rep)]
 #![feature(proc_macro_internals)]

src/librustc_mir/lib.rs

@@ -18,7 +18,6 @@ Rust MIR: a lowered representation of Rust. Also: an experiment!
 #![feature(in_band_lifetimes)]
 #![feature(slice_patterns)]
 #![feature(slice_sort_by_cached_key)]
-#![feature(from_ref)]
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(catch_expr)]
@@ -26,13 +25,11 @@ Rust MIR: a lowered representation of Rust. Also: an experiment!
 #![feature(const_fn)]
 #![feature(core_intrinsics)]
 #![feature(decl_macro)]
-#![feature(fs_read_write)]
 #![feature(in_band_lifetimes)]
 #![feature(macro_vis_matcher)]
 #![feature(exhaustive_patterns)]
 #![feature(range_contains)]
 #![feature(rustc_diagnostic_macros)]
-#![feature(crate_visibility_modifier)]
 #![feature(never_type)]
 #![feature(specialization)]
 #![feature(try_trait)]

src/librustc_target/lib.rs

@@ -23,8 +23,6 @@
 
 #![feature(box_syntax)]
 #![feature(const_fn)]
-#![feature(fs_read_write)]
-#![feature(inclusive_range)]
 #![feature(slice_patterns)]
 
 #[macro_use]

src/librustc_typeck/lib.rs

@@ -74,7 +74,6 @@ This API is completely unstable and subject to change.
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(crate_visibility_modifier)]
-#![feature(from_ref)]
 #![feature(exhaustive_patterns)]
 #![feature(iterator_find_map)]
 #![feature(quote)]

src/librustdoc/lib.rs

@@ -17,13 +17,11 @@
 #![feature(rustc_private)]
 #![feature(box_patterns)]
 #![feature(box_syntax)]
-#![feature(fs_read_write)]
 #![feature(iterator_find_map)]
 #![feature(set_stdio)]
 #![feature(slice_sort_by_cached_key)]
 #![feature(test)]
 #![feature(vec_remove_item)]
-#![feature(entry_and_modify)]
 #![feature(ptr_offset_from)]
 #![feature(crate_visibility_modifier)]