Rollup merge of rust-lang#140864 - pietroalbini:pa-fix-relnotes, r=BoxyUwU

Last minute relnotes fix

This PR applies most of the suggestions in rust-lang#140802 (comment) (except for `as_flattened_mut`, which is indeed a const stabilization this cycle), and replaces all links from nightly to stable.

r? `@BoxyUwU`

Author: matthiaskrgr

RELEASES.md

@@ -45,83 +45,83 @@ Libraries
 Stabilized APIs
 ---------------
 
-- [`Vec::extract_if`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.extract_if)
-- [`vec::ExtractIf`](https://doc.rust-lang.org/nightly/std/vec/struct.ExtractIf.html)
-- [`LinkedList::extract_if`](https://doc.rust-lang.org/nightly/std/collections/struct.LinkedList.html#method.extract_if)
-- [`linked_list::ExtractIf`](https://doc.rust-lang.org/nightly/std/collections/linked_list/struct.ExtractIf.html)
-- [`<[T]>::split_off`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off)
-- [`<[T]>::split_off_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_mut)
-- [`<[T]>::split_off_first`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_first)
-- [`<[T]>::split_off_first_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_first_mut)
-- [`<[T]>::split_off_last`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_last)
-- [`<[T]>::split_off_last_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_last_mut)
+- [`Vec::extract_if`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.extract_if)
+- [`vec::ExtractIf`](https://doc.rust-lang.org/stable/std/vec/struct.ExtractIf.html)
+- [`LinkedList::extract_if`](https://doc.rust-lang.org/stable/std/collections/struct.LinkedList.html#method.extract_if)
+- [`linked_list::ExtractIf`](https://doc.rust-lang.org/stable/std/collections/linked_list/struct.ExtractIf.html)
+- [`<[T]>::split_off`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.split_off)
+- [`<[T]>::split_off_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.split_off_mut)
+- [`<[T]>::split_off_first`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.split_off_first)
+- [`<[T]>::split_off_first_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.split_off_first_mut)
+- [`<[T]>::split_off_last`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.split_off_last)
+- [`<[T]>::split_off_last_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.split_off_last_mut)
 - [`String::extend_from_within`](https://doc.rust-lang.org/stable/alloc/string/struct.String.html#method.extend_from_within)
-- [`os_str::Display`](https://doc.rust-lang.org/nightly/std/ffi/os_str/struct.Display.html)
-- [`OsString::display`](https://doc.rust-lang.org/nightly/std/ffi/struct.OsString.html#method.display)
-- [`OsStr::display`](https://doc.rust-lang.org/nightly/std/ffi/struct.OsStr.html#method.display)
-- [`io::pipe`](https://doc.rust-lang.org/nightly/std/io/fn.pipe.html)
-- [`io::PipeReader`](https://doc.rust-lang.org/nightly/std/io/struct.PipeReader.html)
-- [`io::PipeWriter`](https://doc.rust-lang.org/nightly/std/io/struct.PipeWriter.html)
-- [`impl From<PipeReader> for OwnedHandle`](https://doc.rust-lang.org/nightly/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeReader%3E-for-OwnedHandle)
-- [`impl From<PipeWriter> for OwnedHandle`](https://doc.rust-lang.org/nightly/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeWriter%3E-for-OwnedHandle)
-- [`impl From<PipeReader> for Stdio`](https://doc.rust-lang.org/nightly/std/process/struct.Stdio.html)
-- [`impl From<PipeWriter> for Stdio`](https://doc.rust-lang.org/nightly/std/process/struct.Stdio.html#impl-From%3CPipeWriter%3E-for-Stdio)
-- [`impl From<PipeReader> for OwnedFd`](https://doc.rust-lang.org/nightly/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeReader%3E-for-OwnedFd)
-- [`impl From<PipeWriter> for OwnedFd`](https://doc.rust-lang.org/nightly/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeWriter%3E-for-OwnedFd)
-- [`Box<MaybeUninit<T>>::write`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.write)
-- [`impl TryFrom<Vec<u8>> for String`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#impl-TryFrom%3CVec%3Cu8%3E%3E-for-String)
-
-These APIs are now stable in const contexts:
-
-- [`<*const T>::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.offset_from_unsigned)
-- [`<*const T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.byte_offset_from_unsigned)
-- [`<*mut T>::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.offset_from_unsigned-1)
-- [`<*mut T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.byte_offset_from_unsigned-1)
-- [`NonNull::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/ptr/struct.NonNull.html#method.offset_from_unsigned)
-- [`NonNull::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/ptr/struct.NonNull.html#method.byte_offset_from_unsigned)
-- [`<uN>::cast_signed`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.cast_signed)
-- [`NonZero::<uN>::cast_signed`](https://doc.rust-lang.org/nightly/std/num/struct.NonZero.html#method.cast_signed-5).
-- [`<iN>::cast_signed`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.cast_signed).
-- [`NonZero::<iN>::cast_unsigned`](https://doc.rust-lang.org/nightly/std/num/struct.NonZero.html#method.cast_unsigned-5).
-- [`<uN>::is_multiple_of`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.is_multiple_of)
-- [`<uN>::unbounded_shl`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.unbounded_shl)
-- [`<uN>::unbounded_shr`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.unbounded_shr)
-- [`<iN>::unbounded_shl`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.unbounded_shl)
-- [`<iN>::unbounded_shr`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.unbounded_shr)
-- [`<str>::from_utf8`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8)
-- [`<str>::from_utf8_mut`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_mut)
-- [`<str>::from_utf8_unchecked`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_unchecked)
-- [`<str>::from_utf8_unchecked_mut`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_unchecked_mut)
-- [`core::str::from_utf8_mut`](https://doc.rust-lang.org/nightly/std/str/fn.from_utf8_mut.html)
-- [`<[T]>::copy_from_slice`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.copy_from_slice)
-- [`SocketAddr::set_ip`](https://doc.rust-lang.org/nightly/std/net/enum.SocketAddr.html#method.set_ip)
-- [`SocketAddr::set_port`](https://doc.rust-lang.org/nightly/std/net/enum.SocketAddr.html#method.set_port),
-- [`SocketAddrV4::set_ip`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV4.html#method.set_ip)
-- [`SocketAddrV4::set_port`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV4.html#method.set_port),
-- [`SocketAddrV6::set_ip`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_ip)
-- [`SocketAddrV6::set_port`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_port)
-- [`SocketAddrV6::set_flowinfo`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_flowinfo)
-- [`SocketAddrV6::set_scope_id`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_scope_id)
-- [`char::is_digit`](https://doc.rust-lang.org/nightly/std/primitive.char.html#method.is_digit)
-- [`char::is_whitespace`](https://doc.rust-lang.org/nightly/std/primitive.char.html#method.is_whitespace)
-- [`<iN>::midpoint`](https://doc.rust-lang.org/std/primitive.isize.html#method.midpoint)
-- [`<[[T; N]]>::as_flattened`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_flattened)
-- [`<[[T; N]]>::as_flattened_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_flattened_mut) 
-- [`String::into_bytes`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.into_bytes)
-- [`String::as_str`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_str)
-- [`String::capacity`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.capacity)
-- [`String::as_bytes`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_bytes)
-- [`String::len`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.len)
-- [`String::is_empty`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.is_empty)
-- [`String::as_mut_str`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_str)
-- [`String::as_mut_vec`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_vec)
-- [`Vec::as_ptr`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_ptr)
-- [`Vec::as_slice`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_slice)
-- [`Vec::capacity`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.capacity)
-- [`Vec::len`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.len)
-- [`Vec::is_empty`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.is_empty)
-- [`Vec::as_mut_slice`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_slice)
-- [`Vec::as_mut_ptr`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_ptr)
+- [`os_str::Display`](https://doc.rust-lang.org/stable/std/ffi/os_str/struct.Display.html)
+- [`OsString::display`](https://doc.rust-lang.org/stable/std/ffi/struct.OsString.html#method.display)
+- [`OsStr::display`](https://doc.rust-lang.org/stable/std/ffi/struct.OsStr.html#method.display)
+- [`io::pipe`](https://doc.rust-lang.org/stable/std/io/fn.pipe.html)
+- [`io::PipeReader`](https://doc.rust-lang.org/stable/std/io/struct.PipeReader.html)
+- [`io::PipeWriter`](https://doc.rust-lang.org/stable/std/io/struct.PipeWriter.html)
+- [`impl From<PipeReader> for OwnedHandle`](https://doc.rust-lang.org/stable/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeReader%3E-for-OwnedHandle)
+- [`impl From<PipeWriter> for OwnedHandle`](https://doc.rust-lang.org/stable/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeWriter%3E-for-OwnedHandle)
+- [`impl From<PipeReader> for Stdio`](https://doc.rust-lang.org/stable/std/process/struct.Stdio.html)
+- [`impl From<PipeWriter> for Stdio`](https://doc.rust-lang.org/stable/std/process/struct.Stdio.html#impl-From%3CPipeWriter%3E-for-Stdio)
+- [`impl From<PipeReader> for OwnedFd`](https://doc.rust-lang.org/stable/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeReader%3E-for-OwnedFd)
+- [`impl From<PipeWriter> for OwnedFd`](https://doc.rust-lang.org/stable/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeWriter%3E-for-OwnedFd)
+- [`Box<MaybeUninit<T>>::write`](https://doc.rust-lang.org/stable/std/boxed/struct.Box.html#method.write)
+- [`impl TryFrom<Vec<u8>> for String`](https://doc.rust-lang.org/stable/std/string/struct.String.html#impl-TryFrom%3CVec%3Cu8%3E%3E-for-String)
+- [`<*const T>::offset_from_unsigned`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.offset_from_unsigned)
+- [`<*const T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.byte_offset_from_unsigned)
+- [`<*mut T>::offset_from_unsigned`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.offset_from_unsigned-1)
+- [`<*mut T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.byte_offset_from_unsigned-1)
+- [`NonNull::offset_from_unsigned`](https://doc.rust-lang.org/stable/std/ptr/struct.NonNull.html#method.offset_from_unsigned)
+- [`NonNull::byte_offset_from_unsigned`](https://doc.rust-lang.org/stable/std/ptr/struct.NonNull.html#method.byte_offset_from_unsigned)
+- [`<uN>::cast_signed`](https://doc.rust-lang.org/stable/std/primitive.usize.html#method.cast_signed)
+- [`NonZero::<uN>::cast_signed`](https://doc.rust-lang.org/stable/std/num/struct.NonZero.html#method.cast_signed-5).
+- [`<iN>::cast_unsigned`](https://doc.rust-lang.org/stable/std/primitive.isize.html#method.cast_unsigned).
+- [`NonZero::<iN>::cast_unsigned`](https://doc.rust-lang.org/stable/std/num/struct.NonZero.html#method.cast_unsigned-5).
+- [`<uN>::is_multiple_of`](https://doc.rust-lang.org/stable/std/primitive.usize.html#method.is_multiple_of)
+- [`<uN>::unbounded_shl`](https://doc.rust-lang.org/stable/std/primitive.usize.html#method.unbounded_shl)
+- [`<uN>::unbounded_shr`](https://doc.rust-lang.org/stable/std/primitive.usize.html#method.unbounded_shr)
+- [`<iN>::unbounded_shl`](https://doc.rust-lang.org/stable/std/primitive.isize.html#method.unbounded_shl)
+- [`<iN>::unbounded_shr`](https://doc.rust-lang.org/stable/std/primitive.isize.html#method.unbounded_shr)
+- [`<iN>::midpoint`](https://doc.rust-lang.org/stable/std/primitive.isize.html#method.midpoint)
+- [`<str>::from_utf8`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.from_utf8)
+- [`<str>::from_utf8_mut`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.from_utf8_mut)
+- [`<str>::from_utf8_unchecked`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.from_utf8_unchecked)
+- [`<str>::from_utf8_unchecked_mut`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.from_utf8_unchecked_mut)
+
+These previously stable APIs are now stable in const contexts:
+
+- [`core::str::from_utf8_mut`](https://doc.rust-lang.org/stable/std/str/fn.from_utf8_mut.html)
+- [`<[T]>::copy_from_slice`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.copy_from_slice)
+- [`SocketAddr::set_ip`](https://doc.rust-lang.org/stable/std/net/enum.SocketAddr.html#method.set_ip)
+- [`SocketAddr::set_port`](https://doc.rust-lang.org/stable/std/net/enum.SocketAddr.html#method.set_port),
+- [`SocketAddrV4::set_ip`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV4.html#method.set_ip)
+- [`SocketAddrV4::set_port`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV4.html#method.set_port),
+- [`SocketAddrV6::set_ip`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.set_ip)
+- [`SocketAddrV6::set_port`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.set_port)
+- [`SocketAddrV6::set_flowinfo`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.set_flowinfo)
+- [`SocketAddrV6::set_scope_id`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.set_scope_id)
+- [`char::is_digit`](https://doc.rust-lang.org/stable/std/primitive.char.html#method.is_digit)
+- [`char::is_whitespace`](https://doc.rust-lang.org/stable/std/primitive.char.html#method.is_whitespace)
+- [`<[[T; N]]>::as_flattened`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_flattened)
+- [`<[[T; N]]>::as_flattened_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_flattened_mut) 
+- [`String::into_bytes`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.into_bytes)
+- [`String::as_str`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.as_str)
+- [`String::capacity`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.capacity)
+- [`String::as_bytes`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.as_bytes)
+- [`String::len`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.len)
+- [`String::is_empty`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.is_empty)
+- [`String::as_mut_str`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.as_mut_str)
+- [`String::as_mut_vec`](https://doc.rust-lang.org/stable/std/string/struct.String.html#method.as_mut_vec)
+- [`Vec::as_ptr`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.as_ptr)
+- [`Vec::as_slice`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.as_slice)
+- [`Vec::capacity`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.capacity)
+- [`Vec::len`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.len)
+- [`Vec::is_empty`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.is_empty)
+- [`Vec::as_mut_slice`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.as_mut_slice)
+- [`Vec::as_mut_ptr`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.as_mut_ptr)
 
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