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renovate bot and others added 14 commits October 1, 2025 03:23
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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[actions/setup-python](https://redirect.github.com/actions/setup-python)
| action | major | `v5` -> `v6` |

---

### Release Notes

<details>
<summary>actions/setup-python (actions/setup-python)</summary>

###
[`v6`](https://redirect.github.com/actions/setup-python/compare/v5...v6)

[Compare
Source](https://redirect.github.com/actions/setup-python/compare/v5...v6)

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| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | major | `v4` -> `v5` |

---

### Release Notes

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<summary>actions/checkout (actions/checkout)</summary>

### [`v5`](https://redirect.github.com/actions/checkout/compare/v4...v5)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [STABLE](https://redirect.github.com/rust-lang/rust) | minor | `1.90`
-> `1.91` |

---

### Release Notes

<details>
<summary>rust-lang/rust (STABLE)</summary>

###
[`v1.91`](https://redirect.github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1910-2025-10-30)

[Compare
Source](https://redirect.github.com/rust-lang/rust/compare/1.90.0...1.91.0)

\==========================

<a id="1.91.0-Language"></a>

## Language

- [Lower pattern bindings in the order they're written and base drop
order on primary bindings'
order](https://redirect.github.com/rust-lang/rust/pull/143764)
- [Stabilize declaration of C-style variadic functions for `sysv64`,
`win64`, `efiapi`, and `aapcs`
ABIs](https://redirect.github.com/rust-lang/rust/pull/144066).
This brings these ABIs in line with the C ABI: variadic functions can be
declared in extern blocks but not defined.
- [Add `dangling_pointers_from_locals` lint to warn against dangling
pointers from local
variables](https://redirect.github.com/rust-lang/rust/pull/144322)
- [Upgrade `semicolon_in_expressions_from_macros` from warn to
deny](https://redirect.github.com/rust-lang/rust/pull/144369)
- [Stabilize LoongArch32 inline
assembly](https://redirect.github.com/rust-lang/rust/pull/144402)
- [Add warn-by-default `integer_to_ptr_transmutes` lint against
integer-to-pointer
transmutes](https://redirect.github.com/rust-lang/rust/pull/144531)
- [Stabilize `sse4a` and `tbm` target
features](https://redirect.github.com/rust-lang/rust/pull/144542)
- [Add `target_env = "macabi"` and `target_env = "sim"`
cfgs](https://redirect.github.com/rust-lang/rust/pull/139451) as
replacements for the `target_abi` cfgs with the same values.

<a id="1.91.0-Compiler"></a>

## Compiler

- [Don't warn on never-to-any `as` casts as
unreachable](https://redirect.github.com/rust-lang/rust/pull/144804)

<a id="1.91.0-Platform-Support"></a>

## Platform Support

- [Promote `aarch64-pc-windows-gnullvm` and `x86_64-pc-windows-gnullvm`
to Tier 2 with host
tools.](https://redirect.github.com/rust-lang/rust/pull/143031)
Note: llvm-tools and MSI installers are missing but will be added in
future releases.
- [Promote `aarch64-pc-windows-msvc` to Tier
1](https://redirect.github.com/rust-lang/rust/pull/145682)

Refer to Rust's [platform support page][platform-support-doc]
for more information on Rust's tiered platform support.

[platform-support-doc]:
https://doc.rust-lang.org/rustc/platform-support.html

<a id="1.91.0-Libraries"></a>

## Libraries

- [Print thread ID in panic
message](https://redirect.github.com/rust-lang/rust/pull/115746)
- [Fix overly restrictive lifetime in `core::panic::Location::file`
return type](https://redirect.github.com/rust-lang/rust/pull/132087)
- [Guarantee parameter order for `_by()` variants of `min` / `max`/
`minmax` in
`std::cmp`](https://redirect.github.com/rust-lang/rust/pull/139357)
- [Document assumptions about `Clone` and `Eq`
traits](https://redirect.github.com/rust-lang/rust/pull/144330/)
- [`std::thread`: Return error if setting thread stack size
fails](https://redirect.github.com/rust-lang/rust/pull/144210)
  This used to panic within the standard library.

<a id="1.91.0-Stabilized-APIs"></a>

## Stabilized APIs

-
[`Path::file_prefix`](https://doc.rust-lang.org/stable/std/path/struct.Path.html#method.file_prefix)
-
[`AtomicPtr::fetch_ptr_add`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.fetch_ptr_add)
-
[`AtomicPtr::fetch_ptr_sub`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.fetch_ptr_sub)
-
[`AtomicPtr::fetch_byte_add`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.fetch_byte_add)
-
[`AtomicPtr::fetch_byte_sub`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.fetch_byte_sub)
-
[`AtomicPtr::fetch_or`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.fetch_or)
-
[`AtomicPtr::fetch_and`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.fetch_and)
-
[`AtomicPtr::fetch_xor`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.fetch_xor)
-
[`{integer}::strict_add`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_add)
-
[`{integer}::strict_sub`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_sub)
-
[`{integer}::strict_mul`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_mul)
-
[`{integer}::strict_div`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.strict_div)
-
[`{integer}::strict_div_euclid`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.strict_div_euclid)
-
[`{integer}::strict_rem`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.strict_rem)
-
[`{integer}::strict_rem_euclid`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.strict_rem_euclid)
-
[`{integer}::strict_neg`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_neg)
-
[`{integer}::strict_shl`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_shl)
-
[`{integer}::strict_shr`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_shr)
-
[`{integer}::strict_pow`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_pow)
-
[`i{N}::strict_add_unsigned`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.strict_add_unsigned)
-
[`i{N}::strict_sub_unsigned`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.strict_sub_unsigned)
-
[`i{N}::strict_abs`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.strict_abs)
-
[`u{N}::strict_add_signed`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_add_signed)
-
[`u{N}::strict_sub_signed`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.strict_sub_signed)
-
[`PanicHookInfo::payload_as_str`](https://doc.rust-lang.org/stable/std/panic/struct.PanicHookInfo.html#method.payload_as_str)
-
[`core::iter::chain`](https://doc.rust-lang.org/stable/core/iter/fn.chain.html)
-
[`u{N}::checked_signed_diff`](https://doc.rust-lang.org/stable/std/primitive.u16.html#method.checked_signed_diff)
-
[`core::array::repeat`](https://doc.rust-lang.org/stable/core/array/fn.repeat.html)
-
[`PathBuf::add_extension`](https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#method.add_extension)
-
[`PathBuf::with_added_extension`](https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#method.with_added_extension)
-
[`Duration::from_mins`](https://doc.rust-lang.org/stable/std/time/struct.Duration.html#method.from_mins)
-
[`Duration::from_hours`](https://doc.rust-lang.org/stable/std/time/struct.Duration.html#method.from_hours)
- [`impl PartialEq<str> for
PathBuf`](https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#impl-PartialEq%3Cstr%3E-for-PathBuf)
- [`impl PartialEq<String> for
PathBuf`](https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#impl-PartialEq%3CString%3E-for-PathBuf)
- [`impl PartialEq<str> for
Path`](https://doc.rust-lang.org/stable/std/path/struct.Path.html#impl-PartialEq%3Cstr%3E-for-Path)
- [`impl PartialEq<String> for
Path`](https://doc.rust-lang.org/stable/std/path/struct.Path.html#impl-PartialEq%3CString%3E-for-Path)
- [`impl PartialEq<PathBuf> for
String`](https://doc.rust-lang.org/stable/std/string/struct.String.html#impl-PartialEq%3CPathBuf%3E-for-String)
- [`impl PartialEq<Path> for
String`](https://doc.rust-lang.org/stable/std/string/struct.String.html#impl-PartialEq%3CPath%3E-for-String)
- [`impl PartialEq<PathBuf> for
str`](https://doc.rust-lang.org/stable/std/primitive.str.html#impl-PartialEq%3CPathBuf%3E-for-str)
- [`impl PartialEq<Path> for
str`](https://doc.rust-lang.org/stable/std/primitive.str.html#impl-PartialEq%3CPath%3E-for-str)
-
[`Ipv4Addr::from_octets`](https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.from_octets)
-
[`Ipv6Addr::from_octets`](https://doc.rust-lang.org/stable/std/net/struct.Ipv6Addr.html#method.from_octets)
-
[`Ipv6Addr::from_segments`](https://doc.rust-lang.org/stable/std/net/struct.Ipv6Addr.html#method.from_segments)
- [`impl<T> Default for Pin<Box<T>> where Box<T>: Default, T:
?Sized`](https://doc.rust-lang.org/stable/std/default/trait.Default.html#impl-Default-for-Pin%3CBox%3CT%3E%3E)
- [`impl<T> Default for Pin<Rc<T>> where Rc<T>: Default, T:
?Sized`](https://doc.rust-lang.org/stable/std/default/trait.Default.html#impl-Default-for-Pin%3CRc%3CT%3E%3E)
- [`impl<T> Default for Pin<Arc<T>> where Arc<T>: Default, T:
?Sized`](https://doc.rust-lang.org/stable/std/default/trait.Default.html#impl-Default-for-Pin%3CArc%3CT%3E%3E)
-
[`Cell::as_array_of_cells`](https://doc.rust-lang.org/stable/std/cell/struct.Cell.html#method.as_array_of_cells)
-
[`u{N}::carrying_add`](https://doc.rust-lang.org/stable/std/primitive.u64.html#method.carrying_add)
-
[`u{N}::borrowing_sub`](https://doc.rust-lang.org/stable/std/primitive.u64.html#method.borrowing_sub)
-
[`u{N}::carrying_mul`](https://doc.rust-lang.org/stable/std/primitive.u64.html#method.carrying_mul)
-
[`u{N}::carrying_mul_add`](https://doc.rust-lang.org/stable/std/primitive.u64.html#method.carrying_mul_add)
-
[`BTreeMap::extract_if`](https://doc.rust-lang.org/stable/std/collections/struct.BTreeMap.html#method.extract_if)
-
[`BTreeSet::extract_if`](https://doc.rust-lang.org/stable/std/collections/struct.BTreeSet.html#method.extract_if)
- [`impl Debug for
windows::ffi::EncodeWide<'_>`](https://doc.rust-lang.org/stable/std/os/windows/ffi/struct.EncodeWide.html#impl-Debug-for-EncodeWide%3C'_%3E)
-
[`str::ceil_char_boundary`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.ceil_char_boundary)
-
[`str::floor_char_boundary`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.floor_char_boundary)
- [`impl Sum for
Saturating<u{N}>`](https://doc.rust-lang.org/stable/std/num/struct.Saturating.html#impl-Sum-for-Saturating%3Cu32%3E)
- [`impl Sum<&Self> for
Saturating<u{N}>`](https://doc.rust-lang.org/stable/std/num/struct.Saturating.html#impl-Sum%3C%26Saturating%3Cu32%3E%3E-for-Saturating%3Cu32%3E)
- [`impl Product for
Saturating<u{N}>`](https://doc.rust-lang.org/stable/std/num/struct.Saturating.html#impl-Product-for-Saturating%3Cu32%3E)
- [`impl Product<&Self> for
Saturating<u{N}>`](https://doc.rust-lang.org/stable/std/num/struct.Saturating.html#impl-Product%3C%26Saturating%3Cu32%3E%3E-for-Saturating%3Cu32%3E)

These previously stable APIs are now stable in const contexts:

- [`<[T;
N]>::each_ref`](https://doc.rust-lang.org/stable/std/primitive.array.html#method.each_ref)
- [`<[T;
N]>::each_mut`](https://doc.rust-lang.org/stable/std/primitive.array.html#method.each_mut)
-
[`OsString::new`](https://doc.rust-lang.org/stable/std/ffi/struct.OsString.html#method.new)
-
[`PathBuf::new`](https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#method.new)
-
[`TypeId::of`](https://doc.rust-lang.org/stable/std/any/struct.TypeId.html#method.of)
-
[`ptr::with_exposed_provenance`](https://doc.rust-lang.org/stable/std/ptr/fn.with_exposed_provenance.html)
-
[`ptr::with_exposed_provenance_mut`](https://doc.rust-lang.org/stable/std/ptr/fn.with_exposed_provenance_mut.html)

<a id="1.91.0-Cargo"></a>

## Cargo

- 🎉 Stabilize `build.build-dir`.
This config sets the directory where intermediate build artifacts are
stored.
These artifacts are produced by Cargo and rustc during the build
process.
End users usually won't need to interact with them, and the layout
inside
`build-dir` is an implementation detail that may change without notice.
([config
doc](https://doc.rust-lang.org/stable/cargo/reference/config.html#buildbuild-dir))
([build cache
doc](https://doc.rust-lang.org/stable/cargo/reference/build-cache.html))
[#&#8203;15833](https://redirect.github.com/rust-lang/cargo/pull/15833)
[#&#8203;15840](https://redirect.github.com/rust-lang/cargo/pull/15840)
- The `--target` flag and the `build.target` configuration can now take
literal
`"host-tuple"` string, which will internally be substituted by the host
  machine's target triple.
[#&#8203;15838](https://redirect.github.com/rust-lang/cargo/pull/15838)
[#&#8203;16003](https://redirect.github.com/rust-lang/cargo/pull/16003)
[#&#8203;16032](https://redirect.github.com/rust-lang/cargo/pull/16032)

<a id="1.91.0-Rustdoc"></a>

## Rustdoc

- [In search results, rank doc aliases lower than non-alias items with
the same name](https://redirect.github.com/rust-lang/rust/pull/145100)
- [Raw pointers now work in type-based search like
references](https://redirect.github.com/rust-lang/rust/pull/145731).
This means you can now search for things like `*const u8 ->`, and
additionally functions that take or return raw pointers will now display
their signature properly in search results.

<a id="1.91.0-Compatibility-Notes"></a>

## Compatibility Notes

- [Always require coroutine captures to be
drop-live](https://redirect.github.com/rust-lang/rust/pull/144156)
- [Apple: Always pass SDK root when linking with `cc`, and pass it via
`SDKROOT` env
var](https://redirect.github.com/rust-lang/rust/pull/131477). This
should fix linking issues with `rustc` running inside Xcode. Libraries
in `/usr/local/lib` may no longer be linked automatically, if you
develop or use a crate that relies on this, you should explicitly set
`cargo::rustc-link-search=/usr/local/lib` in a `build.rs` script.
- [Relaxed bounds in associated type bound position like in
`TraitRef<AssocTy: ?Sized>` are now correctly
forbidden](https://redirect.github.com/rust-lang/rust/pull/135331)
- [Add unstable `#[sanitize(xyz = "on|off")]` built-in attribute that
shadows procedural macros with the same
name](https://redirect.github.com/rust-lang/rust/pull/142681)
- [Fix the drop checker being more permissive for bindings declared with
let-else](https://redirect.github.com/rust-lang/rust/pull/143028)
- [Be more strict when parsing attributes, erroring on many invalid
attributes](https://redirect.github.com/rust-lang/rust/pull/144689)
- [Error on invalid `#[should_panic]`
attributes](https://redirect.github.com/rust-lang/rust/pull/143808)
- [Error on invalid `#[link]`
attributes](https://redirect.github.com/rust-lang/rust/pull/143193)
- [Mark all deprecation lints in name resolution as deny-by-default and
also report in
dependencies](https://redirect.github.com/rust-lang/rust/pull/143929)
- The lint `semicolon_in_expressions_from_macros`, for `macro_rules!`
macros in expression position that expand to end in a semicolon (`;`),
is now deny-by-default. It was already warn-by-default, and a future
compatibility warning (FCW) that warned even in dependencies. This lint
will become a hard error in the future.
- [Trait impl modifiers (e.g., `unsafe`, `!`, `default`) in inherent
impls are no longer syntactically
valid](https://redirect.github.com/rust-lang/rust/pull/144386)
- [Start reporting future breakage for `ill_formed_attribute_input` in
dependencies](https://redirect.github.com/rust-lang/rust/pull/144544)
- [Restrict the scope of temporaries created by the macros `pin!`,
`format_args!`, `write!`, and `writeln!` in `if let` scrutinees in Rust
Edition 2024.](https://redirect.github.com/rust-lang/rust/pull/145342)
This applies [Rust Edition 2024's `if let` temporary scope
rules](https://doc.rust-lang.org/edition-guide/rust-2024/temporary-if-let-scope.html)
to these temporaries, which previously could live past the `if`
expression regardless of Edition.
- [Invalid numeric literal suffixes in tuple indexing, tuple struct
indexing, and struct field name positions are now correctly
rejected](https://redirect.github.com/rust-lang/rust/pull/145463)
- [Closures marked with the keyword `static` are now syntactically
invalid](https://redirect.github.com/rust-lang/rust/pull/145604)
- [Shebangs inside `--cfg` and `--check-cfg` arguments are no longer
allowed](https://redirect.github.com/rust-lang/rust/pull/146211)
- [Add future incompatibility lint for temporary lifetime shortening in
Rust 1.92](https://redirect.github.com/rust-lang/rust/pull/147056)

Cargo compatibility notes:

- `cargo publish` no longer keeps `.crate` tarballs as final build
artifacts
when `build.build-dir` is set. These tarballs were previously included
due to
  an oversight and are now treated as intermediate artifacts.
  To get `.crate` tarballs as final artifacts, use `cargo package`.
In a future version, this change will apply regardless of
`build.build-dir`.
[#&#8203;15910](https://redirect.github.com/rust-lang/cargo/pull/15910)
- Adjust Cargo messages to match rustc diagnostic style.
  This changes some of the terminal colors used by Cargo messages.
[#&#8203;15928](https://redirect.github.com/rust-lang/cargo/pull/15928)
- Tools and projects relying on the
[internal details of Cargo's
`build-dir`](https://doc.rust-lang.org/cargo/reference/build-cache.html)
  may not work for users changing their `build-dir` layout.
  For those doing so, we'd recommend proactively testing these cases
particularly as we are considering changing the default location of the
`build-dir` in the future

([cargo#16147](https://redirect.github.com/rust-lang/cargo/issues/16147)).
  If you can't migrate off of Cargo's internal details,
we'd like to learn more about your use case as we prepare to change the
layout of the `build-dir`

([cargo#15010](https://redirect.github.com/rust-lang/cargo/issues/15010)).

<a id="1.91.0-Internal-Changes"></a>

## Internal Changes

These changes do not affect any public interfaces of Rust, but they
represent
significant improvements to the performance or internals of rustc and
related
tools.

- [Update to LLVM
21](https://redirect.github.com/rust-lang/rust/pull/143684)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - Every minute ( * * * * * ) (UTC),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

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View the [repository job
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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [STABLE](https://redirect.github.com/rust-lang/rust) | minor | `1.91`
-> `1.92` |

---

### Release Notes

<details>
<summary>rust-lang/rust (STABLE)</summary>

###
[`v1.92`](https://redirect.github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1920-2025-12-11)

[Compare
Source](https://redirect.github.com/rust-lang/rust/compare/1.91.0...1.92.0)

\==========================

<a id="1.92.0-Language"></a>

## Language

- [Document `MaybeUninit` representation and
validity](https://redirect.github.com/rust-lang/rust/pull/140463)
- [Allow `&raw [mut | const]` for union field in safe
code](https://redirect.github.com/rust-lang/rust/pull/141469)
- [Prefer item bounds of associated types over where-bounds for
auto-traits and
`Sized`](https://redirect.github.com/rust-lang/rust/pull/144064)
- [Do not materialize `X` in `[X; 0]` when `X` is unsizing a
const](https://redirect.github.com/rust-lang/rust/pull/145277)
- [Support combining `#[track_caller]` and `#[no_mangle]` (requires
every declaration specifying `#[track_caller]` as
well)](https://redirect.github.com/rust-lang/rust/pull/145724)
- [Make never type lints `never_type_fallback_flowing_into_unsafe` and
`dependency_on_unit_never_type_fallback`
deny-by-default](https://redirect.github.com/rust-lang/rust/pull/146167)
- [Allow specifying multiple bounds for same associated item, except in
trait objects](https://redirect.github.com/rust-lang/rust/pull/146593)
- [Slightly strengthen higher-ranked region handling in
coherence](https://redirect.github.com/rust-lang/rust/pull/146725)
- [The `unused_must_use` lint no longer warns on `Result<(),
Uninhabited>` (for instance, `Result<(), !>`), or
`ControlFlow<Uninhabited,
()>`](https://redirect.github.com/rust-lang/rust/pull/147382). This
avoids having to check for an error that can never happen.

<a id="1.92.0-Compiler"></a>

## Compiler

- [Make `mips64el-unknown-linux-muslabi64` link
dynamically](https://redirect.github.com/rust-lang/rust/pull/146858)
- [Remove current code for embedding command-line args in
PDB](https://redirect.github.com/rust-lang/rust/pull/147022)
Command-line information is typically not needed by debugging tools, and
the removed code
was causing problems for incremental builds even on targets that don't
use PDB debuginfo.

<a id="1.92.0-Libraries"></a>

## Libraries

- [Specialize `Iterator::eq{_by}` for `TrustedLen`
iterators](https://redirect.github.com/rust-lang/rust/pull/137122)
- [Simplify `Extend` for
tuples](https://redirect.github.com/rust-lang/rust/pull/138799)
- [Added details to `Debug` for
`EncodeWide`](https://redirect.github.com/rust-lang/rust/pull/140153).
-
[`iter::Repeat::last`](https://redirect.github.com/rust-lang/rust/pull/147258)
and [`count`](https://redirect.github.com/rust-lang/rust/pull/146410)
will now panic, rather than looping infinitely.

<a id="1.92.0-Stabilized-APIs"></a>

## Stabilized APIs

-
[`NonZero<u{N}>::div_ceil`](https://doc.rust-lang.org/stable/std/num/struct.NonZero.html#method.div_ceil)
-
[`Location::file_as_c_str`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.file_as_c_str)
-
[`RwLockWriteGuard::downgrade`](https://doc.rust-lang.org/stable/std/sync/struct.RwLockWriteGuard.html#method.downgrade)
-
[`Box::new_zeroed`](https://doc.rust-lang.org/stable/std/boxed/struct.Box.html#method.new_zeroed)
-
[`Box::new_zeroed_slice`](https://doc.rust-lang.org/stable/std/boxed/struct.Box.html#method.new_zeroed_slice)
-
[`Rc::new_zeroed`](https://doc.rust-lang.org/stable/std/rc/struct.Rc.html#method.new_zeroed)
-
[`Rc::new_zeroed_slice`](https://doc.rust-lang.org/stable/std/rc/struct.Rc.html#method.new_zeroed_slice)
-
[`Arc::new_zeroed`](https://doc.rust-lang.org/stable/std/sync/struct.Arc.html#method.new_zeroed)
-
[`Arc::new_zeroed_slice`](https://doc.rust-lang.org/stable/std/sync/struct.Arc.html#method.new_zeroed_slice)
-
[`btree_map::Entry::insert_entry`](https://doc.rust-lang.org/stable/std/collections/btree_map/enum.Entry.html#method.insert_entry)
-
[`btree_map::VacantEntry::insert_entry`](https://doc.rust-lang.org/stable/std/collections/btree_map/struct.VacantEntry.html#method.insert_entry)
- [`impl Extend<proc_macro::Group> for
proc_macro::TokenStream`](https://doc.rust-lang.org/stable/proc_macro/struct.TokenStream.html#impl-Extend%3CGroup%3E-for-TokenStream)
- [`impl Extend<proc_macro::Literal> for
proc_macro::TokenStream`](https://doc.rust-lang.org/stable/proc_macro/struct.TokenStream.html#impl-Extend%3CLiteral%3E-for-TokenStream)
- [`impl Extend<proc_macro::Punct> for
proc_macro::TokenStream`](https://doc.rust-lang.org/stable/proc_macro/struct.TokenStream.html#impl-Extend%3CPunct%3E-for-TokenStream)
- [`impl Extend<proc_macro::Ident> for
proc_macro::TokenStream`](https://doc.rust-lang.org/stable/proc_macro/struct.TokenStream.html#impl-Extend%3CIdent%3E-for-TokenStream)

These previously stable APIs are now stable in const contexts:

-
[`<[_]>::rotate_left`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.rotate_left)
-
[`<[_]>::rotate_right`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.rotate_right)

<a id="1.92.0-Cargo"></a>

## Cargo

- [Added a new
chapter](https://redirect.github.com/rust-lang/cargo/issues/16119) to
the Cargo book, ["Optimizing Build
Performance"](https://doc.rust-lang.org/stable/cargo/guide/build-performance.html).

<a id="1.92.0-Rustdoc"></a>

## Rustdoc

- [If a trait item appears in rustdoc search, hide the corresponding
impl items](https://redirect.github.com/rust-lang/rust/pull/145898).
Previously a search for "last" would show both `Iterator::last` as well
as impl methods like `std::vec::IntoIter::last`. Now these impl methods
will be hidden, freeing up space for inherent methods like
`BTreeSet::last`.
- [Relax rules for identifiers in
search](https://redirect.github.com/rust-lang/rust/pull/147860).
Previously you could only search for identifiers that were valid in rust
code, now searches only need to be valid as part of an identifier. For
example, you can now perform a search that starts with a digit.

<a id="1.92.0-Compatibility-Notes"></a>

## Compatibility Notes

- [Fix backtraces with `-C panic=abort` on Linux by generating unwind
tables by
default](https://redirect.github.com/rust-lang/rust/pull/143613). Build
with `-C force-unwind-tables=no` to keep omitting unwind tables.

* As part of the larger effort refactoring compiler built-in attributes
and their diagnostics, [the future-compatibility lint
`invalid_macro_export_arguments` is upgraded to deny-by-default and will
be reported in dependencies
too.](https://redirect.github.com/rust-lang/rust/pull/143857)
* [Update the minimum external LLVM to
20](https://redirect.github.com/rust-lang/rust/pull/145071)
* [Prevent downstream `impl DerefMut for
Pin<LocalType>`](https://redirect.github.com/rust-lang/rust/pull/145608)
* [Don't apply temporary lifetime extension rules to the arguments of
non-extended `pin!` and formatting
macros](https://redirect.github.com/rust-lang/rust/pull/145838)

</details>

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@epage epage merged commit 5fa455e into rust-cli:master Dec 26, 2025
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@epage epage deleted the template branch December 26, 2025 15:39
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