Overview

133 Pull requests merged by 85 people

• Consolidate staging for compiletest steps in bootstrap

  #146076 merged Sep 2, 2025

• rustdoc-search: skip loading unneeded fnData

  #146070 merged Sep 2, 2025

• Add compiler error when trying to use concat metavar expr in repetitions

  #146064 merged Sep 2, 2025

• Update target spec metadata of Arm64EC Windows and Trusty targets

  #146034 merged Sep 2, 2025

• add span to struct pattern rest (..)

  #145783 merged Sep 2, 2025

• constify impl Try for ControlFlow

  #146088 merged Sep 2, 2025

• fix a constness ordering bug in rustfmt

  #146089 merged Sep 2, 2025

• fix rustdoc render_call_locations panicking because of default span DUMMY_SP pointing at non local-source file

  #146091 merged Sep 2, 2025

• stabilize c-style varargs for sysv64, win64, efiapi, aapcs

  #144066 merged Sep 2, 2025

• Make Parser::parse_for_head public for rustfmt usage

  #146094 merged Sep 2, 2025

• Remove dead code stemming from an old effects desugaring

  #146102 merged Sep 2, 2025

• Add maintainer for VxWorks

  #146115 merged Sep 2, 2025

• Adjust issue-118306.rs test after LLVM change

  #146116 merged Sep 2, 2025

• Fix search index generation

  #146117 merged Sep 2, 2025

• improve process::abort rendering in Miri backtraces

  #146118 merged Sep 2, 2025

• Rollup of 14 pull requests

  #146125 merged Sep 2, 2025

• cleanup and cache proof tree building

  #145951 merged Sep 2, 2025

• Revert introduction of [workspace.dependencies].

  #146113 merged Sep 2, 2025

• explicitly end the lifetime of va_list

  #146059 merged Sep 2, 2025

• -Znext-solver: support non-defining uses in closures

  #145925 merged Sep 2, 2025

• Update to ar_archive_writer 0.5

  #145721 merged Sep 1, 2025

• fix #[loop_match] on diverging loop

  #144783 merged Sep 1, 2025

• pub async fn impl is monomorphized when func itself is monomorphized

  #143290 merged Sep 1, 2025

• dedup recip, powi, to_degrees, and to_radians float tests

  #145468 merged Sep 1, 2025

• Rollup of 5 pull requests

  #146077 merged Sep 1, 2025

• fix(lexer): Don't require frontmatters to be escaped with indented fences

  #145754 merged Sep 1, 2025

• coverage: Build an "expansion tree" and use it to unexpand raw spans

  #145643 merged Sep 1, 2025

• compiletest: Capture panic messages via a custom panic hook

  #146068 merged Sep 1, 2025

• fixup nix dev shell again

  #146060 merged Sep 1, 2025

• Add Bound::copied

  #145968 merged Sep 1, 2025

• resolve: Refactor struct ExternPreludeEntry

  #146004 merged Sep 1, 2025

• Change std f32 test to pass under Miri

  #146051 merged Sep 1, 2025

• Suggest method name with maybe ty mismatch

  #146046 merged Sep 1, 2025

• dump_mir cleanups

  #145421 merged Sep 1, 2025

• Rollup of 6 pull requests

  #146072 merged Sep 1, 2025

• Detect negative literal inferred to unsigned integer

  #146042 merged Sep 1, 2025

• Enforce in bootstrap that test must have stage at least 1 (except for compiletest)

  #145663 merged Sep 1, 2025

• rustdoc-search: split function inverted index by input/output

  #146038 merged Aug 31, 2025

• std: fix SplitPaths regression

  #146053 merged Aug 31, 2025

• Fix format string grammar in docs and improve alignment error message for #144023

  #145592 merged Aug 31, 2025

• Clarify that align_offset overaligns

  #145931 merged Aug 31, 2025

• Rollup of 4 pull requests

  #146052 merged Aug 31, 2025

• Ensure consistent drop for panicking drop in hint::select_unpredictable

  #145174 merged Aug 31, 2025

• Make target pointer width in target json an integer

  #144443 merged Aug 31, 2025

• Use absolute path to llvm-bolt, merge-fdata rather than PATH

  #146039 merged Aug 31, 2025

• Detect missing if let or let-else

  #145582 merged Aug 31, 2025

• std: clarify OpenOptions error for create without write access

  #144964 merged Aug 31, 2025

• Fix sys::process::windows::tests::test_thread_handle spurious failure

  #146030 merged Aug 31, 2025

• Update browser-ui-test version to 0.21.3

  #146035 merged Aug 31, 2025

• Use move_file for rename in tracing

  #146036 merged Aug 31, 2025

• Rollup of 4 pull requests

  #146043 merged Aug 31, 2025

• Remove incorrect fixme on deprecation target

  #146029 merged Aug 30, 2025

• Hard-code char::is_control

  #145479 merged Aug 30, 2025

• fix(lib-std-fs): handle usize overflow in read*

  #143462 merged Aug 30, 2025

• Optimize .ilog({2,10}) to .ilog{2,10}()

  #145776 merged Aug 30, 2025

• Stabilize array_repeat feature

  #145465 merged Aug 30, 2025

• Rollup of 5 pull requests

  #146026 merged Aug 30, 2025

• Add Duration::from_nanos_u128

  #145969 merged Aug 30, 2025

• Implementation: #[feature(nonpoison_condvar)]

  #144651 merged Aug 30, 2025

• Add managarm as a tier 3 target

  #123319 merged Aug 30, 2025

• Partial-stabilize the basics from bigint_helper_methods

  #144494 merged Aug 30, 2025

• Stabilize strict_provenance_atomic_ptr feature

  #145467 merged Aug 30, 2025

• str: Stabilize round_char_boundary feature

  #145756 merged Aug 30, 2025

• Rollup of 9 pull requests

  #146023 merged Aug 30, 2025

• compiler-builtins subtree update

  #146022 merged Aug 30, 2025

• Mark pipe2 supported in Android

  #146017 merged Aug 30, 2025

• Improve librustdoc error when a file creation/modification failed

  #146000 merged Aug 30, 2025

• std: haiku: fix B_FIND_PATH_IMAGE_PATH

  #145991 merged Aug 30, 2025

• AutoDeref::final_ty is already resolved

  #145990 merged Aug 30, 2025

• std: use a TAIT to define SplitPaths on UNIX

  #145242 merged Aug 30, 2025

• compiler: Include span of too huge enum with -Cdebuginfo=2

  #145967 merged Aug 30, 2025

• Rehome 30 tests/ui/issues/ tests to other subdirectories under tests/ui/ [#2 of Batch #2]

  #145676 merged Aug 29, 2025

• Rehome 30 tests/ui/issues/ tests to other subdirectories under tests/ui/ [#1 of Batch #2]

  #145675 merged Aug 29, 2025

• Rollup of 4 pull requests

  #145997 merged Aug 29, 2025

• TokenStream cleanups

  #145984 merged Aug 29, 2025

• compiletest: Reduce the number of println! calls that don't have access to TestCx

  #145982 merged Aug 29, 2025

• Avoid more rustc rebuilds in cross-compilation scenarios

  #145902 merged Aug 29, 2025

• Revert "fix(debuginfo): disable overflow check for recursive non-enum types"

  #145979 merged Aug 29, 2025

• Add a mailmap entry for gnzlbg

  #143713 merged Aug 29, 2025

• Test instrument-mcount codegen

  #145884 merged Aug 29, 2025

• fix(std): Fix undefined reference to __my_thread_exit on QNX 8.0

  #144354 merged Aug 29, 2025

• implement Sum and Product for Saturating(u*)

  #144275 merged Aug 29, 2025

• Remove TmpLayout in layout_of_enum

  #145387 merged Aug 29, 2025

• std library: use execinfo library also on NetBSD.

  #145793 merged Aug 29, 2025

• Add more to the [workspace.dependencies] section in the top-level Cargo.toml

  #145947 merged Aug 29, 2025

• fix core::marker::Destruct doc

  #145972 merged Aug 29, 2025

• tests: Ignore basic-stepping.rs on riscv64

  #145977 merged Aug 29, 2025

• Rollup of 9 pull requests

  #145978 merged Aug 29, 2025

• Switch next solver to use a specific associated type for trait def id

  #145377 merged Aug 29, 2025

• Rollup of 6 pull requests

  #145970 merged Aug 28, 2025

• Improve error messages around invalid literals in attribute arguments

  #145853 merged Aug 28, 2025

• Add new doc(attribute = "...") attribute

  #142472 merged Aug 28, 2025

• Move exporting of profiler and sanitizer symbols to the LLVM backend

  #145965 merged Aug 28, 2025

• bootstrap: Explicitly mark the end of a failed test's captured output

  #145920 merged Aug 28, 2025

• add doc-hidden to exports in attribute prelude

  #145937 merged Aug 28, 2025

• CFI: Make lto and linker-plugin-lto work the same for compiler_builtins

  #145368 merged Aug 28, 2025

• When determining if a trait has no entries for the purposes of omitting vptrs from subtrait vtables, consider its transitive supertraits' entries, instead of just its own entries.

  #145807 merged Aug 28, 2025

• wasm: rm static mut

  #142727 merged Aug 28, 2025

• constify (the unstable) str::as_str

  #145930 merged Aug 28, 2025

• Port #[link] to the new attribute parsing infrastructure

  #143193 merged Aug 28, 2025

• Add spin_loop hint for LoongArch

  #145913 merged Aug 28, 2025

• Disable integer_to_ptr_transmutes suggestion for unsized types

  #145941 merged Aug 28, 2025

• Rename Location::file_with_nul to file_as_c_str

  #145928 merged Aug 28, 2025

• compiletest: Remove several remnants of the old libtest-based executor

  #145926 merged Aug 28, 2025

• Rollup of 9 pull requests

  #145958 merged Aug 28, 2025

• Update icu_list to 2.0

  #145953 merged Aug 28, 2025

• No source fixes

  #144864 merged Aug 28, 2025

• Update to LLVM 21.1.0

  #145891 merged Aug 28, 2025

• Add assembly test for -Zreg-struct-return option

  #145382 merged Aug 28, 2025

• Ensure the coordinator thread terminates before its channels drop

  #145894 merged Aug 28, 2025

• Remove unnecessary [dependencies.*] entries.

  #145946 merged Aug 28, 2025

• Rollup of 5 pull requests

  #145949 merged Aug 28, 2025

• Use AcceptContext in AttribueParser::check_target

  #145826 merged Aug 28, 2025

• Fix STD build failing for target_os = "espidf"

  #145746 merged Aug 28, 2025

• Use captures(address) instead of captures(none) for indirect args

  #145877 merged Aug 28, 2025

• rustdoc: a few micro-optimizations targeted at build_impl

  #145851 merged Aug 28, 2025

• Update cargo submodule

  #145909 merged Aug 27, 2025

• Simplify macro generating ToString implementations for &...&str

  #145562 merged Aug 27, 2025

• Stop calling unwrap when format foreign has trailing dollar

  #145905 merged Aug 27, 2025

• add Option::reduce

  #144274 merged Aug 27, 2025

• Rollup of 6 pull requests

  #145923 merged Aug 27, 2025

• Inherit TCC in debuginfo tests on macOS

  #145885 merged Aug 27, 2025

• improve float to_degrees/to_radians rounding comments and impl

  #145625 merged Aug 27, 2025

• Introduce a [workspace.dependencies] section in the top-level Cargo.toml

  #145740 merged Aug 27, 2025

• Region inference: Use outlives-static constraints in constraint search

  #140737 merged Aug 27, 2025

• Mention that casting to *const () is a way to roundtrip with from_raw_parts

  #143341 merged Aug 27, 2025

• Rollup of 6 pull requests

  #145916 merged Aug 27, 2025

• Fix wrong cache line size of riscv64

  #145078 merged Aug 27, 2025

• Improve std::fs::read_dir docs

  #145290 merged Aug 27, 2025

• Move riscv64-gc-unknown-linux-musl from Tier 2 with Host tools to Tier 2

  #145904 merged Aug 27, 2025

• Use -Zmir-opt-level=0 in tests for MIR building

  #142215 merged Aug 27, 2025

• Move WTF-8 code from std into core and alloc

  #145335 merged Aug 27, 2025

• Access less HIR attributes from typeck

  #144841 merged Aug 27, 2025

70 Pull requests opened by 55 people

• Track diagnostic attributes pre proc macro expansion, prepend post expansion.

  #145914 opened Aug 27, 2025

• Uplifts and extends `clippy::needless-maybe-sized` into rustc

  #145924 opened Aug 27, 2025

• fix APITIT being treated as a normal generic parameter in suggestions

  #145929 opened Aug 27, 2025

• Allow `inline(always)` with a target feature behind a unstable feature `target_feature_inline_always`.

  #145932 opened Aug 27, 2025

• `thing_as_thing`

  #145933 opened Aug 27, 2025

• const `select_unpredictable`

  #145939 opened Aug 27, 2025

• single buffer for exponent fmt of integers

  #145940 opened Aug 27, 2025

• stdlib docs: document lifetime extension for `format_args!`'s arguments

  #145943 opened Aug 27, 2025

• std: Start supporting WASIp2 natively

  #145944 opened Aug 27, 2025

• Stabilize 28 RISC-V target features (`riscv_ratified_v2`)

  #145948 opened Aug 28, 2025

• stabilize extern_system_varargs

  #145954 opened Aug 28, 2025

• Rework how the codegen coordinator code handles the allocator shim

  #145955 opened Aug 28, 2025

• Split `FnCtxt::report_args_error` into subfunctions

  #145960 opened Aug 28, 2025

• resolve: Avoid a regression from splitting prelude into two scopes

  #145961 opened Aug 28, 2025

• Ensure we emit an allocator shim when only some crate types need one

  #145962 opened Aug 28, 2025

• Add LSX accelerated implementation for source file analysis

  #145963 opened Aug 28, 2025

• Add `std` support for `armv7a-vex-v5`

  #145973 opened Aug 28, 2025

• Stabilize -Zno-jump-tables into -Cjump-tables=bool

  #145974 opened Aug 28, 2025

• Add bootstrap.toml option to control debug breaking on ICEs on windows

  #145976 opened Aug 29, 2025

• std: remove misleading doc of UdpSocket::send_to/send

  #145987 opened Aug 29, 2025

• Stabilize `vec_deque_pop_if`

  #145992 opened Aug 29, 2025

• `-Znext-solver` allow `ExprKind::Call` for not-yet defined opaques

  #145993 opened Aug 29, 2025

• Trying to generalize tuple `PartialEq` & `PartialOrd` impls

  #145999 opened Aug 29, 2025

• Update getopts to remove unicode-width dependency

  #146001 opened Aug 29, 2025

• Add move metadata into source info

  #146003 opened Aug 29, 2025

• Add `impl<T> AsMut<T> for Exclusive<T>`

  #146006 opened Aug 29, 2025

• Implement `Receiver` for `Exclusive`

  #146009 opened Aug 29, 2025

• Point at fn bound that introduced lifetime obligation

  #146011 opened Aug 29, 2025

• Add `From` impls for wrapper types

  #146013 opened Aug 29, 2025

• compiler: Add Windows resources to rustc-main and rustc_driver

  #146018 opened Aug 29, 2025

• std: optimize `dlsym!` macro and add a test for it

  #146019 opened Aug 29, 2025

• compiler: Include span of too huge array with `-Cdebuginfo=2`

  #146025 opened Aug 30, 2025

• support link modifier `as-needed` for raw-dylib-elf

  #146027 opened Aug 30, 2025

• Explicity disable LSX feature for `loongarch64-unknown-none` target

  #146032 opened Aug 30, 2025

• Introduce CoerceShared lang item and trait, and basic Reborrow tests

  #146037 opened Aug 30, 2025

• tidy: --bless now makes escheck run with --fix

  #146041 opened Aug 30, 2025

• Suggest parentheses when `match` or `if` expression in binop is parsed as statement

  #146044 opened Aug 31, 2025

• Detect and optimize SIMD-like struct

  #146049 opened Aug 31, 2025

• add `#[must_use]` to `array::repeat`

  #146054 opened Aug 31, 2025

• feat: add `from_fn_ptr` to `Waker` and `LocalWaker`

  #146057 opened Aug 31, 2025

• Mark desugared range expression spans with DesugaringKind::RangeExpr

  #146069 opened Sep 1, 2025

• clean up some old const trait impl syntax

  #146071 opened Sep 1, 2025

• changes for vxworks

  #146073 opened Sep 1, 2025

• `rust-analyzer` subtree update

  #146086 opened Sep 1, 2025

• Derive `PartialEq` for `InvisibleOrigin`

  #146090 opened Sep 1, 2025

• arbitrary_self_types: Split the Autoderef chain

  #146095 opened Sep 1, 2025

• Fix normalization overflow ICEs in monomorphization

  #146096 opened Sep 1, 2025

• Expand const impls of PartialEq, Eq, PartialOrd and Ord

  #146097 opened Sep 1, 2025

• temporary lifetime extension for block tail expressions

  #146098 opened Sep 1, 2025

• Stabilize `debug_closure_helpers`

  #146099 opened Sep 1, 2025

• Rename outer_expn -> expn

  #146100 opened Sep 1, 2025

• fix(lexer): Only allow horizontal whitespace in frontmatter

  #146106 opened Sep 2, 2025

• Migrate more things in the new solver to specific `DefId`s

  #146111 opened Sep 2, 2025

• don't uppercase error messages

  #146112 opened Sep 2, 2025

• compiletest: Implement an experimental `--new-output-capture` mode

  #146119 opened Sep 2, 2025

• Correct typo in `rustc_errors` comment

  #146120 opened Sep 2, 2025

• fix: Filter suggestion parts that match existing code

  #146121 opened Sep 2, 2025

• Suggest examples of format specifiers in error messages

  #146123 opened Sep 2, 2025

• Test `rustc-dev` in `distcheck`

  #146124 opened Sep 2, 2025

• Rename `ToolRustc` to `ToolRustcPrivate`

  #146127 opened Sep 2, 2025

• privacy: cache for trait ref in projection

  #146128 opened Sep 2, 2025

• rustdoc-search: add test case for indexing every item type

  #146131 opened Sep 2, 2025

• Revert "Make `lto` and `linker-plugin-lto` work the same for `compiler_builtins`

  #146133 opened Sep 2, 2025

• llvm: nvptx: Layout update to match LLVM

  #146134 opened Sep 2, 2025

• docs(std): add missing closing code block fences in doc comments

  #146136 opened Sep 2, 2025

• Disallow frontmatter in `--cfg` and `--check-cfg` arguments

  #146137 opened Sep 2, 2025

• Rollup of 8 pull requests

  #146139 opened Sep 2, 2025

• compiletest: cygwin follows windows in using PATH for dynamic libraries

  #146140 opened Sep 2, 2025

• Rollup of 8 pull requests

  #146141 opened Sep 3, 2025

• Rollup of 9 pull requests

  #146142 opened Sep 3, 2025

63 Issues closed by 21 people

• rustdoc search slower with cached network

  #146063 closed Sep 2, 2025

• ICE: expand: unimplemented

  #140479 closed Sep 2, 2025

• Tracking Issue for `extended_varargs_abi_support`

  #100189 closed Sep 2, 2025

• cargo doc --open doesn't preview rand doc (dependency in Cargo.toml and built)

  #146103 closed Sep 2, 2025

• 🐛 Add support for Android in the compiler (termux)

  #119306 closed Sep 2, 2025

• rustc-driver build fails on x86_64-pc-windows-msvc

  #146083 closed Sep 1, 2025

• Missing PlaceMention for scrutinee in #[loop_match]

  #144781 closed Sep 1, 2025

• ICE: loop match: encountered `Assign((..))` with incompatible types `!` / `i32`

  #144493 closed Sep 1, 2025

• ICE: loop match: broken MIR: `bad assignment`

  #144492 closed Sep 1, 2025

• Instrumentation profile data contains empty function name (?) as of `nightly-2025年05月19日`

  #141577 closed Sep 1, 2025

• `feature(frontmatter)` rejects frontmatters with dashes with leading spaces

  #141367 closed Sep 1, 2025

• internal compiler error: delayed bug: error performing operation: fully_perform

  #146075 closed Sep 1, 2025

• rustc crashes when shadowing a function parameter with a new variable binding of the same name within the function body,

  #146074 closed Sep 1, 2025

• Lang proposal: Allow `#[cfg(...)]` within `asm!`

  #140279 closed Sep 1, 2025

• Misleading error message with negative range

  #83413 closed Sep 1, 2025

• Taking the reference of a method has bad error messages

  #146008 closed Sep 1, 2025

• [FEATURE REQUEST] `Waker::from_fn_ptr`

  #146055 closed Sep 1, 2025

• rustdoc search in `std` for complex signature is significantly slower

  #146015 closed Aug 31, 2025

• env::split_paths regression in nightly-2025年08月31日

  #146045 closed Aug 31, 2025

• `hint::select_unpredictable` forgets to drop one argument if dropping another panics.

  #145148 closed Aug 31, 2025

• Parse error on let followed by a block should suggest likely alternatives if-let or let-else

  #107806 closed Aug 31, 2025

• Issue

  #146050 closed Aug 31, 2025

• `sys::process::windows::tests::test_thread_handle` spuriously failed on aarch64-pc-windows-msvc

  #146024 closed Aug 31, 2025

• `OpenOptions::open` InvalidInput error for `read(true).create(true)` is unclear (or check is redundant)

  #140621 closed Aug 31, 2025

• Tracking Issue for `array::repeat`

  #126695 closed Aug 30, 2025

• Tracking Issue for arithmetic and certain bitwise ops on `AtomicPtr`

  #99108 closed Aug 30, 2025

• stdlib fails to build on x86_64-unknown-haiku

  #145952 closed Aug 30, 2025

• Tracking Issue for str::{floor, ceil}_char_boundary

  #93743 closed Aug 30, 2025

• Towards faster symbol lookup via DT_GNU_HASH

  #73855 closed Aug 29, 2025

• [rustdoc search] allow setting crates to search in before showing results

  #129537 closed Aug 29, 2025

• ICE: failed to resolve instance for trait object method when using rustc_dump_vtable attribute

  #145996 closed Aug 29, 2025

• ICE during intrinsic type checking: index out of bounds in Generics::param_at when intrinsic definition misses type parameters

  #145994 closed Aug 29, 2025

• rustc doc OS error 2

  #145985 closed Aug 29, 2025

• Instrumentation (-Zinstrument-mcount) broken due to missing LLVM-pass since LLVM13 update

  #92109 closed Aug 29, 2025

• [QNX] Failure to link with std on QNX 8.0

  #142726 closed Aug 29, 2025

• Rust 1.35.0 x86_64-unknown-linux-musl has multiple definition of `__errno_location`

  #61264 closed Aug 29, 2025

• riscv64gc-unknown-linux-gnu target fails some UI tests in CI

  #143319 closed Aug 29, 2025

• Incomplete DWARF debug info in Rust 1.88

  #143241 closed Aug 29, 2025

• Intro of `rustc_attr_parsing::attributes::prelude` regressed "canonical" paths of certain well-known compiler items in rustdoc search

  #145870 closed Aug 28, 2025

• Document builtin attributes (like `no_mangle`, `repr`, ...) in the standard library docs

  #141123 closed Aug 28, 2025

• rustc-LLVM ERROR of ControlFlowIntegrit

  #142284 closed Aug 28, 2025

• MinGW's linker does not create a reloc section for DYNAMICBASE executables

  #16581 closed Aug 28, 2025

• SIGSEGV without `unsafe` when passing `&dyn Trait` to `&dyn ParentTrait`

  #145752 closed Aug 28, 2025

• How to link dylib files?

  #114445 closed Aug 28, 2025

• Rustbuild compiles proc macros with -Ztls-model=inital-exec when cross-compiling

  #92976 closed Aug 28, 2025

• Windows linker error when importing a crate that has external symbols

  #86125 closed Aug 28, 2025

• staticlib for wasm32 targets have missing dependencies

  #75089 closed Aug 28, 2025

• cc long double targeting wasm32-wasi links incorrectly

  #74393 closed Aug 28, 2025

• link_section attribute misleadingly allowed on modules and impls

  #65128 closed Aug 28, 2025

• rustc fails when including some C++ libs because of wasm32 linker fatal warnings

  #61846 closed Aug 28, 2025

• Unused symbol breaks Profiled Guided Optimization (PGO)

  #57258 closed Aug 28, 2025

• Linking dylib with "lto = true": assertion failed: !is_full_lto_enabled(sess)

  #50324 closed Aug 28, 2025

• [Bug]: rust diagnostic messages are not localized on macOS aarch64

  #145964 closed Aug 28, 2025

• `integer_to_ptr_transmutes` turns `transmute::<.. &str>` into `&*std::ptr::with_exposed_provenance::<str>` causing error

  #145935 closed Aug 28, 2025

• ICE: `Could not send CguMessage to main thread`

  #142949 closed Aug 28, 2025

• LLVM `nocapture` attribute is used incorrectly

  #137668 closed Aug 28, 2025

• Presence of lifetime params on free consts shouldn't affect evaluatability & impossible preds should prevent evaluation

  #136204 closed Aug 27, 2025

• ICE: `called Result::unwrap() on an Err value: ParseIntError { kind: PosOverflow }` in `rustc_builtin_macros/src/format_foreign.rs`

  #137580 closed Aug 27, 2025

• ICE: compiler panic when trait async method is implemented as non-async function

  #145921 closed Aug 27, 2025

• Building 1.89 with LLVM 21 fails missing rust-lld

  #145917 closed Aug 27, 2025

• rustc compiler error on rustc --explain E02777

  #145919 closed Aug 27, 2025

• Rustc compiler error on rustc --explain E20777

  #145918 closed Aug 27, 2025

• ICE: `None` in `rustc_hir_typeck` due to malformed attribute

  #124352 closed Aug 27, 2025

51 Issues opened by 43 people

• Feature request: Strip "Nix-style consecutive shebangs" or introduce limited `#` line comments

  #146138 opened Sep 2, 2025

• Document guarantee: `sync_channel` `send()` ⇒ immediate `try_recv()` visibility.

  #146135 opened Sep 2, 2025

• Introduction of frontmatter was a theoretical breaking change (via `Literal::from_str`)

  #146132 opened Sep 2, 2025

• Frontmatter inside `--cfg` and `--check-cfg` is not feature-gated

  #146130 opened Sep 2, 2025

• Exact searches with path are only exact for the last element

  #146129 opened Sep 2, 2025

• rustc flags the wrong line for an ambiguous `.into`

  #146126 opened Sep 2, 2025

• Parsing issues around qualifiers and modifiers

  #146122 opened Sep 2, 2025

• `format_args!()` interacts strangely with `$crate`

  #146114 opened Sep 2, 2025

• error: lifetime bound not satisfied

  #146110 opened Sep 2, 2025

• A `&mut` in a const in a referenced literal doesn't get const-promoted

  #146108 opened Sep 2, 2025

• regression with LTO + musl + build-std

  #146109 opened Sep 2, 2025

• compiler and language documentation disagree on lifetime extension for array expressions

  #146092 opened Sep 1, 2025

• `std::sync::barrier::BarrierState` is not `RefUnwindSafe` anymore

  #146087 opened Sep 1, 2025

• unreachable code is not detected with never to any coercion in a closure

  #146085 opened Sep 1, 2025

• ICE: `assertion failed: layout.is_sized()`

  #146084 opened Sep 1, 2025

• Transitioning to superset enum variant causes unnecessary copy

  #146081 opened Sep 1, 2025

• `fn compute_closure_requirements_modulo_opaques` shouldn't clone all its inputs

  #146079 opened Sep 1, 2025

• Tracking issue for release notes of #145735: style-guide: Document absence of trailing whitespace

  #146078 opened Sep 1, 2025

• LLVM 21 bump broke defmt strings containing escaped double-quotes

  #146065 opened Aug 31, 2025

• member constraints involving external regions are scuffed

  #146062 opened Aug 31, 2025

• arm: Using `ldrd` with `static` symbol in `asm` returns "unsupported relocation type".

  #146061 opened Aug 31, 2025

• Trivial move creates unnecessary copy

  #146056 opened Aug 31, 2025

• Searching nightly docs is inconsistently slow

  #146048 opened Aug 31, 2025

• tidy doesn't auto-run js checks if a typescript file is changed

  #146047 opened Aug 31, 2025

• Weird error spans when using metavariable twice

  #146040 opened Aug 30, 2025

• Program crash in vector initialization: crash in extend_with

  #146033 opened Aug 30, 2025

• Trait implementations error message confusing when taking a reference of a reference

  #146031 opened Aug 30, 2025

• Stability on `pub use` items is mandatory but has no effect

  #146028 opened Aug 30, 2025

• Diagnostic improvement request: Enums that contain non-Send aliased types produce confusing error messages

  #146016 opened Aug 29, 2025

• Rustdoc source links should link into expanded macros rather than to the macro invocation

  #146007 opened Aug 29, 2025

• Tracking issue for release notes of #144494: Partial-stabilize the basics from `bigint_helper_methods`

  #146005 opened Aug 29, 2025

• Tracking issue for release notes of #145342: fix drop scope for `super let` bindings within `if let`

  #146002 opened Aug 29, 2025

• Infinite call recursion in rustc when resolving associated types

  #145998 opened Aug 29, 2025

• `alloc-variant-zeroed` causing issues with LTO

  #145995 opened Aug 29, 2025

• std::pointer::Nonnull should guarantee ABI compatibility for non-null pointer values

  #145989 opened Aug 29, 2025

• rustc hangs with release build since the llvm 21 merge on crate not on crates.io

  #145988 opened Aug 29, 2025

• Tracking Issue for Comparable

  #145986 opened Aug 29, 2025

• ICE: type parameter out of range when instantiating struct with non-trailing defaulted const parameter containing undefined identifier

  #145983 opened Aug 29, 2025

• Cross linker lto error: conflict llvm version.

  #145981 opened Aug 29, 2025

• `feature(frontmatter)` allows vertical whitespace where only horizontal whitespace is intended

  #145971 opened Aug 28, 2025

• Tracking Issue for `bound_copied`

  #145966 opened Aug 28, 2025

• write_all assumes that a write returning 0 is a kind of EOF

  #145959 opened Aug 28, 2025

• Tracking Issue for an improved `std::process::Command`

  #145957 opened Aug 28, 2025

• distinct non-zst parameters have the same address

  #145956 opened Aug 28, 2025

• Theoretical breaking change from a combination of frontmatter and include!

  #145945 opened Aug 27, 2025

• Poor optimization combining slice::strip_prefix and array::try_from

  #145942 opened Aug 27, 2025

• Tracking Issue for const `hint::select_unpredictable`

  #145938 opened Aug 27, 2025

• warning that uninhabited struct is never constructed

  #145936 opened Aug 27, 2025

• STATUS_ILLEGAL_INSTRUCTION for parallel-rustc `export-symbols-deadlock-issue-118205-2.rs` on x86_64-pc-windows-gnu

  #145927 opened Aug 27, 2025

• ICE ` expr in place where literal is expected (builtin attr parsing)`

  #145922 opened Aug 27, 2025

• Expanding type recursion check in debug info generation has false positives

  #145912 opened Aug 27, 2025

254 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Implement Integer funnel shifts

  #145690 commented on Sep 2, 2025 • 38 new comments

• Port limit attributes to the new attribute parsing infrastructure

  #145819 commented on Sep 1, 2025 • 20 new comments

• uefi: fs: Add file times plumbing

  #138918 commented on Sep 1, 2025 • 16 new comments

• lint ImproperCTypes: overhaul (take 2 of "better handling of indirections")

  #134697 commented on Sep 2, 2025 • 14 new comments

• Resolver: Batched Import Resolution

  #145108 commented on Aug 29, 2025 • 13 new comments

• Migrate `UnsizedConstParamTy` to unstable impl of `ConstParamTy_`

  #145095 commented on Sep 2, 2025 • 12 new comments

• [rustdoc-json] Show whether `?Sized` parameters are actually `Sized`

  #143559 commented on Sep 1, 2025 • 10 new comments

• Allow `&raw [mut | const]` for union field in safe

  #141469 commented on Aug 31, 2025 • 7 new comments

• add std::os::fd::CommandExt::fd

  #145687 commented on Sep 2, 2025 • 7 new comments

• Document MaybeUninit bit validity

  #140463 commented on Aug 31, 2025 • 6 new comments

• Introduce debuginfo to statements in MIR

  #142771 commented on Sep 2, 2025 • 6 new comments

• Add a diagnostic for similarly named traits

  #144674 commented on Aug 31, 2025 • 6 new comments

• add CloneFromCopy and Cell::get_cloned

  #145685 commented on Aug 27, 2025 • 5 new comments

• On unused binding or binding not present in all patterns, suggest potential typo of unit struct/variant or const

  #145827 commented on Sep 1, 2025 • 5 new comments

• thread parking: fix docs and examples

  #145895 commented on Sep 2, 2025 • 5 new comments

• Ensure non-empty buffers for large vectored I/O

  #138879 commented on Sep 2, 2025 • 5 new comments

• std::net: update tcp deferaccept delay type to Duration.

  #140482 commented on Aug 30, 2025 • 5 new comments

• Add `PeekableIterator` trait

  #144935 commented on Sep 3, 2025 • 4 new comments

• WIP: smart pointer (try_)map

  #144420 commented on Sep 2, 2025 • 4 new comments

• Improve TLS codegen by marking the panic/init path as cold

  #143511 commented on Aug 29, 2025 • 3 new comments

• Add `read_buf` equivalents for positioned reads

  #140459 commented on Sep 3, 2025 • 3 new comments

• Add impl const for Clone

  #143628 commented on Sep 2, 2025 • 3 new comments

• Make `AssocItem` aware of its impl kind

  #145186 commented on Aug 30, 2025 • 2 new comments

• -Zharden-sls flag (target modifier) added to enable mitigation against straight line speculation (SLS)

  #136597 commented on Aug 27, 2025 • 2 new comments

• std: introduce path normalize methods at top of `std::path`

  #142957 commented on Sep 2, 2025 • 2 new comments

• Add socket extensions for cygwin

  #139524 commented on Aug 27, 2025 • 2 new comments

• default auto traits: use default supertraits instead of `Self: Trait` bounds on associated items

  #145879 commented on Aug 28, 2025 • 2 new comments

• TypeTree support in autodiff

  #144197 commented on Sep 2, 2025 • 2 new comments

• Offload device

  #145768 commented on Sep 1, 2025 • 2 new comments

• Suggest adding `Fn` bound when calling a generic parameter

  #144193 commented on Sep 1, 2025 • 2 new comments

• Introduce Scope::NonGlobModule and Scope::GlobModule

  #144131 commented on Sep 2, 2025 • 2 new comments

• Do not materialise X in [X; 0] when X is unsizing a const

  #145277 commented on Sep 1, 2025 • 1 new comment

• std: make address resolution weirdness local to SGX

  #145327 commented on Aug 29, 2025 • 1 new comment

• Fix code suggestion for local enum patterns in non-exhaustive matches

  #137783 commented on Aug 28, 2025 • 1 new comment

• style-guide: Document absence of trailing whitespace

  #145735 commented on Sep 1, 2025 • 1 new comment

• RawVecInner: add missing `unsafe` to unsafe fns

  #145067 commented on Sep 3, 2025 • 1 new comment

• Make `Rc<T>::deref` and `Arc<T>::deref` zero-cost

  #132553 commented on Sep 1, 2025 • 1 new comment

• Move placeholder error handling to before region inference

  #142623 commented on Aug 27, 2025 • 1 new comment

• Supress suggest `let else` when no let in refutable bindings

  #145569 commented on Aug 31, 2025 • 1 new comment

• Add `Path::has_trailing_sep` and related methods

  #142506 commented on Aug 31, 2025 • 1 new comment

• Make `IoSlice` and `IoSliceMut` methods unstably const

  #144090 commented on Sep 3, 2025 • 1 new comment

• eagerly compute `sub_relations` again

  #140375 commented on Sep 2, 2025 • 1 new comment

• Give correct suggestion for a typo in raw pointers

  #145903 commented on Aug 27, 2025 • 1 new comment

• fulfill: dedup newly added obligations

  #145714 commented on Sep 2, 2025 • 1 new comment

• Optimize `core::unicode::printable`.

  #139540 commented on Aug 28, 2025 • 1 new comment

• Regression test for const promotion with Option<Ordering>

  #145651 commented on Sep 1, 2025 • 1 new comment

• make `-Zmin-function-alignment` a target modifier

  #143323 commented on Aug 28, 2025 • 0 new comments

• Stabilize `new_zeroed_alloc`

  #144091 commented on Sep 2, 2025 • 0 new comments

• [TOY] Extend GVN to perform local value numbering.

  #143333 commented on Aug 27, 2025 • 0 new comments

• Add the parallel front-end test suite

  #143953 commented on Sep 2, 2025 • 0 new comments

• `rustc_scalable_vector(N)`

  #143924 commented on Sep 2, 2025 • 0 new comments

• Also hash spans inside the same file as relative.

  #143882 commented on Aug 28, 2025 • 0 new comments

• Extended temporary argument to format_args!() in all cases

  #145882 commented on Aug 27, 2025 • 0 new comments

• `oneshot` Channel

  #143741 commented on Aug 31, 2025 • 0 new comments

• improve c-variadic errors

  #143546 commented on Sep 2, 2025 • 0 new comments

• [WIP] Move more early buffered lints to dyn lint diagnostics

  #145881 commented on Sep 3, 2025 • 0 new comments

• Fix backtraces with `-C panic=abort` on linux; emit unwind tables by default

  #143613 commented on Aug 28, 2025 • 0 new comments

• core: add Peekable::next_if_map

  #143725 commented on Sep 3, 2025 • 0 new comments

• `c_variadic`: Add future-incompatibility warning for `...` arguments without a pattern outside of `extern` blocks

  #143619 commented on Sep 2, 2025 • 0 new comments

• rustdoc-search: yet another stringdex optimization attempt

  #145911 commented on Aug 29, 2025 • 0 new comments

• Ignore intrinsic calls in cross-crate-inlining cost model

  #145910 commented on Sep 2, 2025 • 0 new comments

• Change codegen of LLVM intrinsics to be name-based, and add llvm linkage support for `bf16(xN)` and `i1xN`

  #140763 commented on Sep 3, 2025 • 0 new comments

• Fix unuseful span in type error in some format_args!() invocations

  #140916 commented on Sep 2, 2025 • 0 new comments

• Make `Rc<T>::deref` zero-cost

  #141348 commented on Sep 3, 2025 • 0 new comments

• rustdoc: split build_impl into build_{local,external}_impl

  #145907 commented on Aug 27, 2025 • 0 new comments

• Add new `function_casts_as_integer` lint

  #141470 commented on Aug 29, 2025 • 0 new comments

• Enable LLDB debug info tests on CI

  #141539 commented on Sep 1, 2025 • 0 new comments

• compiler: use FramePointer::NonLeaf on illumos

  #141798 commented on Sep 2, 2025 • 0 new comments

• Optimize `std::str::Chars::next` and `std::str::Chars::next_back`

  #142038 commented on Aug 29, 2025 • 0 new comments

• Add `compiler-builtins` to bootstrap

  #142106 commented on Sep 1, 2025 • 0 new comments

• WIP: don't show multiple instances of the same trait item in search

  #145898 commented on Sep 2, 2025 • 0 new comments

• Perform unused assignment and unused variables lints on MIR.

  #142390 commented on Sep 2, 2025 • 0 new comments

• Document fully-qualified syntax in `as`' keyword doc

  #142670 commented on Aug 29, 2025 • 0 new comments

• Fix passing/returning structs with the 64-bit SPARC ABI

  #142680 commented on Aug 28, 2025 • 0 new comments

• Update bundled musl to 1.2.5

  #142682 commented on Aug 28, 2025 • 0 new comments

• Offload host2

  #142696 commented on Sep 1, 2025 • 0 new comments

• Rehome 30 `tests/ui/issues/` tests to other subdirectories under `tests/ui/` [#3 of Batch #2]

  #145896 commented on Aug 28, 2025 • 0 new comments

• JumpThreading: compute place and value indices on-demand

  #142881 commented on Sep 1, 2025 • 0 new comments

• Fix Windows bootstrap panic on invalid symlink removal (issue #143045)

  #143052 commented on Aug 30, 2025 • 0 new comments

• Add fast-path for accessing the current thread id

  #143069 commented on Sep 2, 2025 • 0 new comments

• fresh binding should shadow the def in expand

  #143141 commented on Sep 2, 2025 • 0 new comments

• add multi-arch asm! label operand test

  #143227 commented on Aug 28, 2025 • 0 new comments

• RDR: avoid rebuilding dependent crates after comment changes

  #143249 commented on Aug 28, 2025 • 0 new comments

• Reject invalid literal suffixes in tuple indexing, tuple struct indexing, and struct field name position

  #145463 commented on Aug 30, 2025 • 0 new comments

• Stabilize BTree{Map,Set}::extract_if

  #145471 commented on Aug 27, 2025 • 0 new comments

• Validate CopyForDeref and DerefTemps better and remove them from runtime MIR

  #145513 commented on Sep 2, 2025 • 0 new comments

• Weekly `cargo update`

  #145516 commented on Aug 31, 2025 • 0 new comments

• Opportunistically split `!=` to successfully parse never type

  #145536 commented on Aug 27, 2025 • 0 new comments

• Reimplement DestinationPropagation according to live ranges.

  #145541 commented on Sep 1, 2025 • 0 new comments

• Prevent downstream `impl DerefMut for Pin<LocalType>`

  #145608 commented on Aug 28, 2025 • 0 new comments

• Stabilize `char_max_len`

  #145610 commented on Aug 27, 2025 • 0 new comments

• docs(style): Specify the frontmatter style

  #145617 commented on Sep 2, 2025 • 0 new comments

• [std][BTree] Fix behavior of `::append` to match documentation, `::insert`, and `::extend`

  #145628 commented on Sep 3, 2025 • 0 new comments

• When a trait isn't implemented, but another similar impl is found, point at it

  #145640 commented on Aug 29, 2025 • 0 new comments

• Stabilize s390x `vector` target feature and `is_s390x_feature_detected!` macro

  #145656 commented on Aug 27, 2025 • 0 new comments

• initial implementation of the darwin_objc unstable feature

  #145660 commented on Aug 30, 2025 • 0 new comments

• Stabilize `std::panic::Location::file_as_c_str`

  #145664 commented on Aug 29, 2025 • 0 new comments

• Don't require `T: RefUnwindSafe` for `vec::IntoIter<T>: UnwindSafe`

  #145665 commented on Sep 3, 2025 • 0 new comments

• [DRAFT] Add ub_checks for downcast_unchecked

  #145684 commented on Sep 3, 2025 • 0 new comments

• std_detect: RISC-V: Best effort implication of target features by custom `cfg`

  #145810 commented on Aug 30, 2025 • 0 new comments

• rust-installer/install-template.sh: improve efficiency, step 1.

  #145809 commented on Aug 29, 2025 • 0 new comments

• rustdoc: [PoC] [WIP] Don't render keyword `Self` as `SelfTy`

  #145806 commented on Aug 29, 2025 • 0 new comments

• Suppress suggest try wrap when found is unresolved infer

  #145707 commented on Aug 29, 2025 • 0 new comments

• rename erase_regions to erase_and_anonymize_regions

  #145717 commented on Aug 29, 2025 • 0 new comments

• unstably constify ptr::drop_in_place

  #145725 commented on Sep 2, 2025 • 0 new comments

• Add hook for overriding compiler builtin macros

  #145734 commented on Aug 27, 2025 • 0 new comments

• GVN: stop hashing opaque values

  #145737 commented on Aug 27, 2025 • 0 new comments

• raw_vec.rs: Remove superfluous fn alloc_guard

  #145750 commented on Sep 3, 2025 • 0 new comments

• add exact bitshifts

  #144342 commented on Sep 3, 2025 • 0 new comments

• Allow the global allocator to use thread-local storage and std::thread::current()

  #144465 commented on Aug 28, 2025 • 0 new comments

• introduce the Comparable trait for BTree operations

  #144506 commented on Aug 29, 2025 • 0 new comments

• Warn when relying on default musl target static linkage behaviour

  #144513 commented on Aug 31, 2025 • 0 new comments

• Add `#[rustc_pass_indirectly_in_non_rustic_abis]`

  #144529 commented on Sep 1, 2025 • 0 new comments

• match clang's `va_arg` assembly on arm targets

  #144549 commented on Sep 2, 2025 • 0 new comments

• make some vecdeque methods const

  #144612 commented on Sep 2, 2025 • 0 new comments

• Weekly `cargo update` + update allowed dependencies list

  #145849 commented on Aug 28, 2025 • 0 new comments

• resolve: Avoid finalizing extern prelude entries more than once

  #144737 commented on Sep 3, 2025 • 0 new comments

• inclusive `Range`s: change `end` to `last`

  #144765 commented on Sep 3, 2025 • 0 new comments

• Stabilize `btree_entry_insert` feature

  #144871 commented on Sep 3, 2025 • 0 new comments

• don't apply temporary lifetime extension rules to non-extended `super let`

  #145838 commented on Sep 2, 2025 • 0 new comments

• [DRAFT] Update the minimum external LLVM to 20

  #145071 commented on Aug 27, 2025 • 0 new comments

• [WIP]: Resolve type relative type/const-generic paths in trait solving

  #145825 commented on Sep 2, 2025 • 0 new comments

• editorconfig: don't use nonexistent syntax

  #145823 commented on Sep 2, 2025 • 0 new comments

• std: move `thread` into `sys`

  #145177 commented on Aug 29, 2025 • 0 new comments

• Reduce size of Unicode tables

  #145219 commented on Aug 29, 2025 • 0 new comments

• Constify conversion traits (part 1)

  #145279 commented on Sep 3, 2025 • 0 new comments

• [TOY] Run MIR opts before coroutine state transform

  #145330 commented on Aug 27, 2025 • 0 new comments

• std: sys: net: uefi: tcp: Initial TcpListener support

  #145339 commented on Sep 3, 2025 • 0 new comments

• fix drop scope for `super let` bindings within `if let`

  #145342 commented on Sep 1, 2025 • 0 new comments

• Dogfood `-Zno-embed-metadata` in the compiler

  #145343 commented on Aug 27, 2025 • 0 new comments

• Cache derive proc macro expansion with incremental query

  #145354 commented on Sep 2, 2025 • 0 new comments

• unicode-table-generator refactors

  #145414 commented on Sep 3, 2025 • 0 new comments

• Allow borrowing array elements from packed structs with ABI align <= packed align

  #145419 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `no-jump-tables`

  #116592 commented on Aug 27, 2025 • 0 new comments

• Avoid volatile loads to preserve the gdb pretty printer section

  #44993 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `likely_unlikely` and `cold_path`

  #136873 commented on Aug 28, 2025 • 0 new comments

• When linking statically, native libraries should go inside --start-group/--end-group for robustness

  #76992 commented on Aug 28, 2025 • 0 new comments

• "unknown file type lib.rmeta" when compiling Emscripten side module

  #92738 commented on Aug 28, 2025 • 0 new comments

• Importing `rustc_driver` interferes with `rustc_codegen_llvm` items and leads to a linking error

  #102065 commented on Aug 28, 2025 • 0 new comments

• On linker errors write command to file instead of printing to disk

  #110763 commented on Aug 28, 2025 • 0 new comments

• [Emscripten] fail rustc by `#4 0x000055cd94ae00ce lld::wasm::(anonymous namespace)::Writer::run() Writer.cpp:0:0`

  #117352 commented on Aug 28, 2025 • 0 new comments

• `-Zdefault-hidden-visibility` causes linking errors due to intrinsic-related calls

  #123427 commented on Aug 28, 2025 • 0 new comments

• Unsize-coercible type causes `[SOME_CONST; 0]` to execute `Drop`, but only if type is annotated.

  #143671 commented on Aug 29, 2025 • 0 new comments

• Warn when using `[foo; 0]` where `foo` is a non-const expression that evaluates to a `Drop` type

  #79580 commented on Aug 29, 2025 • 0 new comments

• Compile error when directly using `&mut` in explicity const context

  #140126 commented on Aug 29, 2025 • 0 new comments

• `pin!()` changed temporary lifetime extension behavior in version 1.88.0 with edition 2024 tail expression temporary scopes

  #145784 commented on Aug 29, 2025 • 0 new comments

• Add `std::autodiff` and Rust to the Enzyme CI

  #145899 commented on Aug 29, 2025 • 0 new comments

• Tracking issue for release notes of #144275: implement Sum and Product for Saturating(u*)

  #145447 commented on Aug 29, 2025 • 0 new comments

• Performance regression with auto-vectorization from 1.87 onwards

  #145123 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for const_ops

  #143802 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for `substr_range` and related methods

  #126769 commented on Aug 29, 2025 • 0 new comments

• Misleading/unhelpful error message from borrow checker

  #55307 commented on Aug 29, 2025 • 0 new comments

• [NLL] "that is required by this bound" note missing

  #97253 commented on Aug 29, 2025 • 0 new comments

• rustdoc: `--enable-index-page` integration with cargo?

  #73185 commented on Aug 29, 2025 • 0 new comments

• Missed optimization: big immutable locals are not promoted to constants

  #136218 commented on Aug 29, 2025 • 0 new comments

• private_macro_use warning needs more information

  #136820 commented on Aug 30, 2025 • 0 new comments

• Tracking Issue for `private_macro_use` lint

  #120192 commented on Aug 30, 2025 • 0 new comments

• Tracking Issue for `VecDeque::pop_front_if` & `VecDeque::pop_back_if`

  #135889 commented on Aug 30, 2025 • 0 new comments

• Use const generics for array `Default` impl

  #61415 commented on Aug 30, 2025 • 0 new comments

• RISC-V memcpy routine uses misaligned loads and stores

  #145769 commented on Aug 30, 2025 • 0 new comments

• Tracking Issue for Reborrow trait lang experiment

  #145612 commented on Aug 30, 2025 • 0 new comments

• Suggest to add a semicolon for generic functions

  #97374 commented on Aug 30, 2025 • 0 new comments

• Tracking issue: declarative macros 2.0

  #39412 commented on Aug 30, 2025 • 0 new comments

• chain() make collect very slow

  #63340 commented on Aug 30, 2025 • 0 new comments

• `&raw const` can sometimes do temporary lifetime extension

  #145813 commented on Aug 27, 2025 • 0 new comments

• Bootstrapped compiler is deterministic in a way that the released compiler is not

  #144715 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for enum access in offset_of

  #120141 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `core::future::join!`

  #91642 commented on Aug 27, 2025 • 0 new comments

• Official binaries for `wasm32-unknown-unknown` (and potentially other WASM platforms?) contain code for the wrong architecture

  #132802 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `Duration::from_nanos_u128`

  #139201 commented on Aug 27, 2025 • 0 new comments

• `match` on uninhabited type does not trigger UB in Miri

  #142394 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `std::os::fd::CommandExt::fd`

  #144989 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `Iterator::next_chunk`

  #98326 commented on Aug 27, 2025 • 0 new comments

• refining_impl_trait: Decide whether explicit opt-in is needed

  #121718 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `cell_get_cloned`

  #145329 commented on Aug 27, 2025 • 0 new comments

• Tracking issue for generic const items

  #113521 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for AVX512_FP16 intrinsics

  #127213 commented on Aug 27, 2025 • 0 new comments

• Regression: #[no_mangle] symbols duplicated during test compilation starting nightly-2025年08月15日

  #145616 commented on Aug 28, 2025 • 0 new comments

• assert desugaring change is backwards-incompatible

  #145770 commented on Aug 28, 2025 • 0 new comments

• Temporaries not extended in format_args!() with only one placeholder

  #145880 commented on Aug 28, 2025 • 0 new comments

• Unexpected higher-ranked lifetime error in GAT usage

  #100013 commented on Aug 28, 2025 • 0 new comments

• UcpSocket::send_to indicates possible partial write behavior inaccurately.

  #145862 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for NUL-terminated file names with `#[track_caller]`

  #141727 commented on Aug 28, 2025 • 0 new comments

• snapshots sometimes leak inference variables

  #122188 commented on Aug 28, 2025 • 0 new comments

• Compiler panic due to iter adapters

  #118590 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `file_buffered`

  #130804 commented on Aug 28, 2025 • 0 new comments

• ICE: rustc_query_system: dep_graph: assertion failed (dep node index out of range)

  #142778 commented on Aug 28, 2025 • 0 new comments

• Tracking issue for release notes of #140525: Use lld by default on `x86_64-unknown-linux-gnu` stable

  #143115 commented on Aug 28, 2025 • 0 new comments

• Draft release notes for 1.90

  #145730 commented on Aug 28, 2025 • 0 new comments

• Crater runs for 1.90

  #145758 commented on Aug 28, 2025 • 0 new comments

• ld.so assertion failure when using raw-dylib on Linux

  #145854 commented on Aug 28, 2025 • 0 new comments

• Tracking issue for release notes of #143193: Port `#[link]` to the new attribute parsing infrastructure

  #145499 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `vec_deque_iter_as_slices`

  #133253 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `str::as_str()`

  #130366 commented on Aug 28, 2025 • 0 new comments

• [perf] test MCP510

  #113382 commented on Aug 29, 2025 • 0 new comments

• Warn about C-style octal literals

  #131309 commented on Aug 30, 2025 • 0 new comments

• Use CLOCK_BOOTTIME for Instant in Fuchsia/Android

  #132331 commented on Sep 3, 2025 • 0 new comments

• Move coroutine upvars into locals for better memory economy

  #135527 commented on Sep 1, 2025 • 0 new comments

• stop specializing on `Copy`

  #135634 commented on Aug 28, 2025 • 0 new comments

• warn on empty precision

  #136638 commented on Sep 1, 2025 • 0 new comments

• Forbid freely casting lifetime bounds of dyn-types

  #136776 commented on Aug 28, 2025 • 0 new comments

• Hint on unknown escape of Unicode quotation marks in string literal

  #137067 commented on Aug 28, 2025 • 0 new comments

• Specialize `Iterator::eq{_by}` for `TrustedLen` iterators

  #137122 commented on Aug 27, 2025 • 0 new comments

• support `#[target_feature(enable = ...)]` on `#[naked]` functions

  #137720 commented on Aug 27, 2025 • 0 new comments

• Create personality stub function for no_std panic=abort crates

  #137854 commented on Aug 27, 2025 • 0 new comments

• Ensure constants are WF before calling into CTFE

  #137972 commented on Aug 28, 2025 • 0 new comments

• Clarify MaybeUninit docs

  #138005 commented on Aug 28, 2025 • 0 new comments

• Add GlobalAsm as a valid ItemKind to StableMIR

  #138025 commented on Aug 28, 2025 • 0 new comments

• Fix split index calculation in `check_type_alias_where_clause_location`

  #138037 commented on Aug 31, 2025 • 0 new comments

• Win: Fix std::fs::rename failing on Windows Server by attempting the non-atomic rename first

  #138133 commented on Aug 30, 2025 • 0 new comments

• Unnecessary references lint

  #138230 commented on Aug 30, 2025 • 0 new comments

• Keep space if arg does not follow punctuation when lint unused parens

  #138271 commented on Aug 30, 2025 • 0 new comments

• Fix struct_tail_raw argument order and ObligationCause usage

  #138456 commented on Sep 2, 2025 • 0 new comments

• Issue-125323: ICE non-ADT in struct pattern when long time constant evaluation is in for loop

  #138679 commented on Sep 1, 2025 • 0 new comments

• Sanitizers target modificators

  #138736 commented on Sep 3, 2025 • 0 new comments

• Implement RFC 3631: add rustdoc doc_cfg features

  #138907 commented on Aug 29, 2025 • 0 new comments

• unstable book: in a sanitizer example, check the code

  #139113 commented on Sep 2, 2025 • 0 new comments

• add first HelenOS compilation targets

  #139310 commented on Aug 30, 2025 • 0 new comments

• Explicitly export core and std macros

  #139493 commented on Sep 2, 2025 • 0 new comments

• dirfd: preliminary unix and windows implementations

  #139514 commented on Sep 1, 2025 • 0 new comments

• [rustdoc] Add new `--book-location` option to add a link to associated guide and generate it if local

  #139769 commented on Aug 28, 2025 • 0 new comments

• Initial `UnsafePinned` implementation [Part 2: Lowering]

  #139896 commented on Sep 2, 2025 • 0 new comments

• Improve type parameter suggestion heuristic for missing types

  #140073 commented on Sep 1, 2025 • 0 new comments

• Implement `Debug` for `EncodeWide`

  #140153 commented on Sep 2, 2025 • 0 new comments

• Tracking Issue for `oneshot_channel`

  #143674 commented on Aug 31, 2025 • 0 new comments

• Tracking Issue for `ascii::Char` (ACP 179)

  #110998 commented on Aug 31, 2025 • 0 new comments

• Stack overflow with Boxed array

  #53827 commented on Aug 31, 2025 • 0 new comments

• Lifetime error sometimes shows a misleading root cause

  #144040 commented on Aug 31, 2025 • 0 new comments

• Tracking Issue for `sync_nonpoison` and `nonpoison_{condvar,mutex,once,rwlock}`

  #134645 commented on Aug 31, 2025 • 0 new comments

• Tracking issue for comparing raw pointers in constants

  #53020 commented on Sep 1, 2025 • 0 new comments

• Tracking issue for `Result::into_ok`

  #61695 commented on Sep 1, 2025 • 0 new comments

• Return `impl for<'a> Fn(&'a)` incorrectly rejected for closures

  #105528 commented on Sep 1, 2025 • 0 new comments

• Glob import causes ambiguity on nightly

  #145575 commented on Sep 1, 2025 • 0 new comments

• Tracking Issue for `frontmatter`

  #136889 commented on Sep 1, 2025 • 0 new comments

• new non-determinism in linker maps introduced recently

  #142989 commented on Sep 1, 2025 • 0 new comments

• Regression: overflow evaluating X: MetaSized

  #143830 commented on Sep 1, 2025 • 0 new comments

• Regression: link fails with undefined reference to `__rust_probestack'

  #143835 commented on Sep 1, 2025 • 0 new comments

• ICE: parallel: `internal error: entered unreachable code`

  #142064 commented on Sep 1, 2025 • 0 new comments

• Tracking Issue for `range_into_bounds`

  #136903 commented on Sep 1, 2025 • 0 new comments

• rust 1.89.0 fails to bootstrap on x86_64

  #145635 commented on Sep 1, 2025 • 0 new comments

• Tracking Issue for `backtrace_frames`

  #79676 commented on Sep 1, 2025 • 0 new comments

• Tracking issue for RFC 3681: Default field values

  #132162 commented on Sep 2, 2025 • 0 new comments

• rustc final stages extremely slow for large programs, with msvc builds (1.89)

  #145864 commented on Sep 2, 2025 • 0 new comments

• Tracking Issue for `asm_cfg`: `#[cfg(...)]` within `asm!`

  #140364 commented on Sep 2, 2025 • 0 new comments

• derives: parallel compiler makes builds irreproducible

  #129094 commented on Sep 2, 2025 • 0 new comments

• ICE `error performing operation: fully_perform`

  #140123 commented on Sep 2, 2025 • 0 new comments

• test `rustc-dev` dist component on CI

  #138646 commented on Sep 2, 2025 • 0 new comments

• [async closure] implementation of `Send` is not general enough using tokio channel

  #139475 commented on Sep 2, 2025 • 0 new comments

• Tracking Issue for const_from

  #143773 commented on Sep 2, 2025 • 0 new comments

• Tracking issue for release notes of #144066: stabilize c-style varargs for system, sysv64, win64, efiapi, aapcs

  #145167 commented on Sep 2, 2025 • 0 new comments

• Tracking Issue for Integer Funnel Shifts

  #145686 commented on Sep 2, 2025 • 0 new comments

• Tracking Issue for `Exclusive`

  #98407 commented on Sep 2, 2025 • 0 new comments

• Tracking Issue for `debug_closure_helpers`

  #117729 commented on Sep 2, 2025 • 0 new comments

• Tracking Issue for checked bitshifts

  #144336 commented on Sep 3, 2025 • 0 new comments