Update the standard library to Rust 2024 #138162

ehuss · 2025-03-07T14:09:33Z

This updates the standard library to Rust 2024. This includes the following notable changes:

Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing const {...} expressions now.
Some tests show a change in MIR drop order. We do not believe this will be an observable change (see zulip discussion).

rustbot · 2025-03-07T14:09:38Z

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ehuss · 2025-03-07T14:10:03Z

@bors try

Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081 (Draft while I do some try jobs, as this is a high-risk of breakage.) try-job: aarch64-apple try-job: aarch64-gnu try-job: arm-android try-job: armhf-gnu try-job: dist-aarch64-apple try-job: dist-aarch64-linux try-job: dist-aarch64-msvc try-job: dist-android try-job: dist-apple-various try-job: dist-arm-linux try-job: dist-armhf-linux try-job: dist-armv7-linux try-job: dist-i586-gnu-i586-i686-musl try-job: dist-i686-linux try-job: dist-i686-mingw try-job: dist-i686-msvc try-job: dist-loongarch64-linux try-job: dist-loongarch64-musl try-job: dist-ohos try-job: dist-powerpc-linux

bors · 2025-03-07T14:11:15Z

⌛ Trying commit fab07c3 with merge a525bde...

bors · 2025-03-07T17:03:16Z

☀️ Try build successful - checks-actions
Build commit: a525bde (a525bde7d4aebdcc7c7ebf678404cbaf6245a0c2)

ehuss · 2025-03-07T23:51:55Z

@bors try

Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081 (Draft while I do some try jobs, as this is a high-risk of breakage.) try-job: dist-powerpc64-linux try-job: dist-powerpc64le-linux try-job: dist-riscv64-linux try-job: dist-s390x-linux try-job: dist-various-1 try-job: dist-various-2 try-job: dist-x86_64-apple try-job: dist-x86_64-freebsd try-job: dist-x86_64-illumos try-job: dist-x86_64-linux try-job: dist-x86_64-mingw try-job: dist-x86_64-msvc try-job: dist-x86_64-musl try-job: dist-x86_64-netbsd try-job: i686-gnu-1 try-job: i686-gnu-2 try-job: i686-mingw-1 try-job: i686-mingw-2 try-job: i686-mingw-3 try-job: i686-msvc-1

bors · 2025-03-07T23:53:06Z

⌛ Trying commit fab07c3 with merge d5db994...

bors · 2025-03-08T02:11:04Z

💔 Test failed - checks-actions

bors · 2025-03-08T16:35:05Z

☔ The latest upstream changes (presumably #138208) made this pull request unmergeable. Please resolve the merge conflicts.

ehuss · 2025-03-08T19:00:09Z

@bors try

Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081 (Draft while I do some try jobs, as this is a high-risk of breakage.) try-job: dist-powerpc64le-linux try-job: i686-gnu-1 try-job: i686-msvc-1 try-job: i686-msvc-2 try-job: mingw-check try-job: test-various try-job: x86_64-apple-1 try-job: x86_64-apple-2 try-job: x86_64-fuchsia try-job: x86_64-gnu-distcheck try-job: x86_64-gnu-tools try-job: x86_64-mingw-1 try-job: x86_64-mingw-2 try-job: x86_64-msvc-1 try-job: x86_64-msvc-2 try-job: x86_64-msvc-ext1 try-job: x86_64-msvc-ext2 try-job: x86_64-msvc-ext3 try-job: x86_64-rust-for-linux

bors · 2025-03-08T19:02:22Z

⌛ Trying commit 39d5d92 with merge fc2f6df...

bors · 2025-03-08T20:46:27Z

💔 Test failed - checks-actions

ehuss · 2025-03-08T21:22:49Z

@bors try

(weird random stack overflow in x86_64-mingw-1)

Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081 (Draft while I do some try jobs, as this is a high-risk of breakage.) try-job: dist-powerpc64le-linux try-job: i686-gnu-1 try-job: i686-msvc-1 try-job: i686-msvc-2 try-job: x86_64-apple-1 try-job: x86_64-gnu-tools try-job: x86_64-mingw-1 try-job: x86_64-mingw-2 try-job: x86_64-msvc-1 try-job: x86_64-msvc-2 try-job: x86_64-msvc-ext1 try-job: x86_64-msvc-ext2 try-job: x86_64-msvc-ext3

bors · 2025-03-08T21:24:00Z

⌛ Trying commit 39d5d92 with merge 4758198...

Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081

Rollup of 25 pull requests Successful merges: - rust-lang#134076 (Stabilize `std::io::ErrorKind::InvalidFilename`) - rust-lang#136842 (Add libstd support for Trusty targets) - rust-lang#137314 (change definitely unproductive cycles to error) - rust-lang#137504 (Move methods from Map to TyCtxt, part 4.) - rust-lang#137621 (Add std support to cygwin target) - rust-lang#137701 (Convert `ShardedHashMap` to use `hashbrown::HashTable`) - rust-lang#138109 (make precise capturing args in rustdoc Json typed) - rust-lang#138161 (Add PeekMut::refresh) - rust-lang#138162 (Update the standard library to Rust 2024) - rust-lang#138174 (Elaborate trait assumption in `receiver_is_dispatchable`) - rust-lang#138175 (Support rmeta inputs for --crate-type=bin --emit=obj) - rust-lang#138269 (uefi: fs: Implement FileType, FilePermissions and FileAttr) - rust-lang#138313 (Update books) - rust-lang#138318 (Rustdoc: remove a bunch of `@ts-expect-error` from main.js) - rust-lang#138331 (Use `RUSTC_LINT_FLAGS` more) - rust-lang#138333 (Rebuild llvm spuriously less frequently) - rust-lang#138343 (Enable `f16` tests for `powf`) - rust-lang#138345 (Some autodiff cleanups) - rust-lang#138346 (naked functions: on windows emit `.endef` without the symbol name) - rust-lang#138347 (Reduce `kw::Empty` usage, part 2) - rust-lang#138360 (Fix false-positive in `expr_or_init` and in the `invalid_from_utf8` lint) - rust-lang#138371 (Update compiletest's `has_asm_support` to match rustc) - rust-lang#138372 (Refactor `pick2_mut` & `pick3_mut` to use `get_disjoint_mut`) - rust-lang#138376 (Item-related cleanups) - rust-lang#138377 (Remove unnecessary lifetime from `PatInfo`.) r? `@ghost` `@rustbot` modify labels: rollup

Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081

…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#126856 (remove deprecated tool `rls`) - rust-lang#133981 (rustdoc-json: Refractor and document Id's) - rust-lang#136842 (Add libstd support for Trusty targets) - rust-lang#137355 (Implement `read_buf` and vectored read/write for SGX stdio) - rust-lang#137457 (fix for issue 132802: x86 code in `wasm32-unknown-unknown` binaries) - rust-lang#138162 (Update the standard library to Rust 2024) - rust-lang#138273 (metadata: Ignore sysroot when doing the manual native lib search in rustc) - rust-lang#138346 (naked functions: on windows emit `.endef` without the symbol name) - rust-lang#138370 (Simulate OOM for the `try_oom_error` test) r? `@ghost` `@rustbot` modify labels: rollup

…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#126856 (remove deprecated tool `rls`) - rust-lang#133981 (rustdoc-json: Refractor and document Id's) - rust-lang#136842 (Add libstd support for Trusty targets) - rust-lang#137355 (Implement `read_buf` and vectored read/write for SGX stdio) - rust-lang#138162 (Update the standard library to Rust 2024) - rust-lang#138273 (metadata: Ignore sysroot when doing the manual native lib search in rustc) - rust-lang#138346 (naked functions: on windows emit `.endef` without the symbol name) - rust-lang#138370 (Simulate OOM for the `try_oom_error` test) r? `@ghost` `@rustbot` modify labels: rollup

Rollup merge of rust-lang#138162 - ehuss:library-2024, r=cuviper Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081

Update the standard library to Rust 2024 This updates the standard library to Rust 2024. This includes the following notable changes: - Macros are updated to use new expression fragment specifiers. This PR includes a test to illustrate the changes, primarily allowing `const {...}` expressions now. - Some tests show a change in MIR drop order. We do not believe this will be an observable change ([see zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/268952-edition/topic/standard.20library.20migration/near/500972873)). Fixes rust-lang#133081

Rust 1.87 (released on 2025-05-15) compiles core library with edition 2024 instead of 2021 [1]. Ensure that the edition matches libcore's expectation to avoid potential breakage. Cc: stable@vger.kernel.org # Needed in 6.12.y and later (Rust is pinned in older LTSs). Link: rust-lang/rust#138162 [1] Closes: Rust-for-Linux#1163 Signed-off-by: Gary Guo <gary@garyguo.net>

This MR contains the following updates: | Package | Update | Change | |---|---|---| | [rust](https://github.com/rust-lang/rust) | minor | `1.86.0` -> `1.87.0` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>rust-lang/rust (rust)</summary> ### [`v1.87.0`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1870-2025-05-15) [Compare Source](rust-lang/rust@1.86.0...1.87.0) \========================== <a id="1.87.0-Language"></a> ## Language - [Stabilize `asm_goto` feature](rust-lang/rust#133870) - [Allow parsing open beginning ranges (`..EXPR`) after unary operators `!`, `-`, and `*`](rust-lang/rust#134900). - [Don't require method impls for methods with `Self: Sized` bounds in `impl`s for unsized types](rust-lang/rust#135480) - [Stabilize `feature(precise_capturing_in_traits)` allowing `use<...>` bounds on return position `impl Trait` in `trait`s](rust-lang/rust#138128) <a id="1.87.0-Compiler"></a> ## Compiler - [x86: make SSE2 required for i686 targets and use it to pass SIMD types](rust-lang/rust#135408) <a id="1.87.0-Platform-Support"></a> ## Platform Support - [Remove `i586-pc-windows-msvc` target](rust-lang/rust#137957) 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="1.87.0-Libraries"></a> ## Libraries - [Stabilize the anonymous pipe API](rust-lang/rust#127154) - [Add support for unbounded left/right shift operations](rust-lang/rust#129375) - [Print pointer metadata in `Debug` impl of raw pointers](rust-lang/rust#135080) - [`Vec::with_capacity` guarantees it allocates with the amount requested, even if `Vec::capacity` returns a different number.](rust-lang/rust#135933) - Most `std::arch` intrinsics which don't take pointer arguments can now be called from safe code if the caller has the appropriate target features already enabled (rust-lang/stdarch#1714, rust-lang/stdarch#1716, rust-lang/stdarch#1717) - [Undeprecate `env::home_dir`](rust-lang/rust#137327) - [Denote `ControlFlow` as `#[must_use]`](rust-lang/rust#137449) - [Macros such as `assert_eq!` and `vec!` now support `const {...}` expressions](rust-lang/rust#138162) <a id="1.87.0-Stabilized-APIs"></a> ## Stabilized APIs - [`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/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) <a id="1.87.0-Cargo"></a> ## Cargo - [Add terminal integration via ANSI OSC 9;4 sequences](rust-lang/cargo#14615) - [chore: bump openssl to v3](rust-lang/cargo#15232) - [feat(package): add --exclude-lockfile flag](rust-lang/cargo#15234) <a id="1.87.0-Compatibility-Notes"></a> ## Compatibility Notes - [Rust now raises an error for macro invocations inside the `#![crate_name]` attribute](rust-lang/rust#127581) - [Unstable fields are now always considered to be inhabited](rust-lang/rust#133889) - [Macro arguments of unary operators followed by open beginning ranges may now be matched differently](rust-lang/rust#134900) - [Make `Debug` impl of raw pointers print metadata if present](rust-lang/rust#135080) - [Warn against function pointers using unsupported ABI strings in dependencies](rust-lang/rust#135767) - [Associated types on `dyn` types are no longer deduplicated](rust-lang/rust#136458) - [Forbid attributes on `..` inside of struct patterns (`let Struct { #[attribute] .. }) =`](rust-lang/rust#136490) - [Make `ptr_cast_add_auto_to_object` lint into hard error](rust-lang/rust#136764) - Many `std::arch` intrinsics are now safe to call in some contexts, there may now be new `unused_unsafe` warnings in existing codebases. - [Limit `width` and `precision` formatting options to 16 bits on all targets](rust-lang/rust#136932) - [Turn order dependent trait objects future incompat warning into a hard error](rust-lang/rust#136968) - [Denote `ControlFlow` as `#[must_use]`](rust-lang/rust#137449) - [Windows: The standard library no longer links `advapi32`, except on win7.](rust-lang/rust#138233) Code such as C libraries that were relying on this assumption may need to explicitly link advapi32. - [Proc macros can no longer observe expanded `cfg(true)` attributes.](rust-lang/rust#138844) - [Start changing the internal representation of pasted tokens](rust-lang/rust#124141). Certain invalid declarative macros that were previously accepted in obscure circumstances are now correctly rejected by the compiler. Use of a `tt` fragment specifier can often fix these macros. - [Don't allow flattened format_args in const.](rust-lang/rust#139624) <a id="1.87.0-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 20](rust-lang/rust#135763) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Rust 1.87 (released on 2025-05-15) compiles core library with edition 2024 instead of 2021 [1]. Ensure that the edition matches libcore's expectation to avoid potential breakage. Cc: stable@vger.kernel.org # Needed in 6.12.y and later (Rust is pinned in older LTSs). Link: rust-lang/rust#138162 [1] Closes: Rust-for-Linux#1163 Signed-off-by: Gary Guo <gary@garyguo.net> Reported-by: est31 <est31@protonmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/r/20250517085600.2857460-1-gary@garyguo.net Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Rust 1.87 (released on 2025-05-15) compiles core library with edition 2024 instead of 2021 [1]. Ensure that the edition matches libcore's expectation to avoid potential breakage. [ The `rustc_library`'s `skip_flags` change is needed for Rust < 1.87, since otherwise we would skip the `--edition=2021` we just added, ending up with no edition specified, and thus an old one. - Miguel ] Cc: stable@vger.kernel.org # Needed in 6.12.y and later (Rust is pinned in older LTSs). Link: rust-lang/rust#138162 [1] Closes: Rust-for-Linux#1163 Signed-off-by: Gary Guo <gary@garyguo.net> Reported-by: est31 <est31@protonmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/r/20250517085600.2857460-1-gary@garyguo.net Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Rust 1.87 (released on 2025-05-15) compiles core library with edition 2024 instead of 2021 [1]. Ensure that the edition matches libcore's expectation to avoid potential breakage. Cc: stable@vger.kernel.org # Needed in 6.12.y and later (Rust is pinned in older LTSs). Link: rust-lang/rust#138162 [1] Closes: #1163 Signed-off-by: Gary Guo <gary@garyguo.net> Reported-by: est31 <est31@protonmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/r/20250517085600.2857460-1-gary@garyguo.net Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Rust 1.87 (released on 2025-05-15) compiles core library with edition 2024 instead of 2021 [1]. Ensure that the edition matches libcore's expectation to avoid potential breakage. [ J3m3 reported in Zulip [2] that the `rust-analyzer` target was broken after this patch -- indeed, we need to avoid `core-cfgs` since those are passed to the `rust-analyzer` target. So, instead, I tweaked the patch to create a new `core-edition` variable and explicitly mention the `--edition` flag instead of reusing `core-cfg`s. In addition, pass a new argument using this new variable to `generate_rust_analyzer.py` so that we set the right edition there. By the way, for future reference: the `filter-out` change is needed for Rust < 1.87, since otherwise we would skip the `--edition=2021` we just added, ending up with no edition flag, and thus the compiler would default to the 2015 one. [2] https://rust-for-linux.zulipchat.com/#narrow/channel/291565/topic/x/near/520206547 - Miguel ] Cc: stable@vger.kernel.org # Needed in 6.12.y and later (Rust is pinned in older LTSs). Link: rust-lang/rust#138162 [1] Reported-by: est31 <est31@protonmail.com> Closes: #1163 Signed-off-by: Gary Guo <gary@garyguo.net> Link: https://lore.kernel.org/r/20250517085600.2857460-1-gary@garyguo.net Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

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rustbot mentioned this pull request Mar 11, 2025

Tracking issue for release notes of #138162: Update the standard library to Rust 2024 #138375

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jieyouxu mentioned this pull request Mar 12, 2025

Rollup of 26 pull requests #138382

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jieyouxu mentioned this pull request Mar 12, 2025

Rollup of 25 pull requests #138383

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matthiaskrgr mentioned this pull request Mar 13, 2025

Rollup of 9 pull requests #138443

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matthiaskrgr mentioned this pull request Mar 13, 2025

Rollup of 8 pull requests #138448

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bors merged commit 448aa30 into rust-lang:master Mar 13, 2025
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rustbot added this to the 1.87.0 milestone Mar 13, 2025

Nemo157 mentioned this pull request Mar 17, 2025

pin macro no longer lifetime extends argument #138596

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yotamofek mentioned this pull request Mar 17, 2025

Const promotion regression: "temporary value dropped while borrowed" #138600

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taiki-e mentioned this pull request Mar 18, 2025

Fix build failure on Trusty #138673

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BoxyUwU mentioned this pull request Apr 21, 2025

Draft release notes for 1.87 #140133

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est31 mentioned this pull request May 16, 2025

conditional passing of edition for core Rust-for-Linux/linux#1163

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ojeda mentioned this pull request May 18, 2025

Rust CI wanted features & bugfixes Rust-for-Linux/linux#1080

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