Auto merge of #59949 - Centril:rollup-lsiqq1g, r=Centril

Rollup of 16 pull requests

Successful merges:

 - #59675 (Stabilize the `alloc` crate.)
 - #59708 (Mark variables captured by reference as mutable correctly)
 - #59735 (remove lookup_char_pos_adj)
 - #59747 (Copy book.toml unstable book generator)
 - #59796 (Retire `IsNotConst` naming)
 - #59804 (Clean up jobserver integration)
 - #59818 (Eliminate `FnBox` usages from libstd.)
 - #59830 (Fix links on keyword docs.)
 - #59835 (Re-export NonZero signed variant in std)
 - #59852 (std: Add `{read,write}_vectored` for more types)
 - #59855 (Fix attributes position in type declaration)
 - #59858 (Make duplicate matcher bindings a hard error)
 - #59899 (In `-Zprint-type-size` output, sort enum variants by size.)
 - #59912 (MaybeUninit: remove deprecated functions)
 - #59925 (Fix paste error in split_ascii_whitespace docs.)
 - #59930 (Exclude some copies of old book editions from search engines)

Failed merges:

r? @ghost

3 files changed, 3 insertions, 7 deletions

diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 9064b4ccd6a..7f3acc933d4 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -51,10 +51,7 @@
 //! default global allocator. It is not compatible with the libc allocator API.
 
 #![allow(unused_attributes)]
-#![unstable(feature = "alloc",
-            reason = "this library is unlikely to be stabilized in its current \
-                      form or name",
-            issue = "27783")]
+#![stable(feature = "alloc", since = "1.36.0")]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/",
        issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
        test(no_crate_inject, attr(allow(unused_variables), deny(warnings))))]
diff --git a/src/liballoc/prelude/mod.rs b/src/liballoc/prelude/mod.rs
index 33cc51d1732..0534ad3edc7 100644
--- a/src/liballoc/prelude/mod.rs
+++ b/src/liballoc/prelude/mod.rs
@@ -5,7 +5,6 @@
 //!
 //! ```
 //! # #![allow(unused_imports)]
-//! # #![feature(alloc)]
 //! #![feature(alloc_prelude)]
 //! extern crate alloc;
 //! use alloc::prelude::v1::*;
diff --git a/src/liballoc/raw_vec.rs b/src/liballoc/raw_vec.rs
index fe28fe5095c..d1fc5ac3b30 100644
--- a/src/liballoc/raw_vec.rs
+++ b/src/liballoc/raw_vec.rs
@@ -256,7 +256,7 @@ impl<T, A: Alloc> RawVec<T, A> {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(alloc, raw_vec_internals)]
+    /// # #![feature(raw_vec_internals)]
     /// # extern crate alloc;
     /// # use std::ptr;
     /// # use alloc::raw_vec::RawVec;
@@ -460,7 +460,7 @@ impl<T, A: Alloc> RawVec<T, A> {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(alloc, raw_vec_internals)]
+    /// # #![feature(raw_vec_internals)]
     /// # extern crate alloc;
     /// # use std::ptr;
     /// # use alloc::raw_vec::RawVec;