`#[forbid(unused_qualifications)]` is incompatible with all builtin derives A-lint A-macros C-bug E-easy T-compiler

#71898 opened May 4, 2020 by jonas-schievink

3

Miri: rename "undef" -> "uninit" A-miri C-cleanup E-easy E-mentor T-compiler

#71193 opened Apr 16, 2020 by RalfJung

10

`rustc --print target-features` doesn't print `crt-static` A-target-specs C-bug E-easy T-compiler

#71583 opened Apr 26, 2020 by petrochenkov

3

Suboptimal generated code for testing that a &[u8; 4] contains all zeros C-enhancement E-easy I-slow T-compiler T-libs

#71602 opened Apr 27, 2020 by dbdr

6

Replace `DefId` with `LocalDefId` where possible C-cleanup E-easy E-help-wanted T-compiler

#70853 opened Apr 6, 2020 by ecstatic-morse

6

ICE when combining "\r", unicode, and unused parameter in format string A-parser C-bug E-easy E-help-wanted I-ICE P-low T-compiler glacier regression-from-stable-to-stable

#70381 opened Mar 25, 2020 by Reconcyl

10

Document intra-rustdoc links in the unstable book A-intra-doc-links C-enhancement E-easy T-rustdoc

#66000 opened Oct 31, 2019 by Manishearth

6

Split up `astconv.rs` C-cleanup E-easy E-medium T-compiler

#67418 opened Dec 19, 2019 by oli-obk

8

Document all unsafety used in libcore and libstd C-cleanup E-easy E-help-wanted E-medium E-mentor T-compiler T-libs

#66219 opened Nov 8, 2019 by oli-obk

15

Tracking issue for RFC 2360, `hint::bench_black_box` B-RFC-approved C-tracking-issue E-easy T-compiler T-libs

#64102 opened Sep 2, 2019 by Centril

6

Decide whether to suggest anything when encountering `break` and expecting `!` A-diagnostics A-suggestion-diagnostics C-tracking-issue E-easy F-never_type P-low T-compiler

#63390 opened Aug 8, 2019 by estebank

5

`core::arch::x86_64::_mm_shuffle_ps` input doesn't match official docs A-intrinsics E-easy T-compiler T-doc T-libs

#62490 opened Jul 8, 2019 by Lokathor

5

Create a deterministic `FxHashMap` wrapper A-reproducibility C-cleanup C-enhancement E-easy E-help-wanted T-compiler

#63713 opened Aug 19, 2019 by bjorn3

18

Extraneous documentation in src/doc C-cleanup

#70840 opened Apr 6, 2020 by XAMPPRocky

6

Add missing long error code explanations A-diagnostics D-newcomer-roadblock E-easy E-help-wanted T-compiler T-doc

#61137 opened May 24, 2019 by GuillaumeGomez

25

Context-less doc error "doc comment contains an invalid Rust code block" in 1.42 C-bug T-rustdoc

#71908 opened May 4, 2020 by rbtcollins

Move `compile-pass` tests to `check-pass` or `build-pass` A-testsuite C-cleanup E-easy E-mentor T-compiler

#62277 opened Jul 1, 2019 by cramertj

4

Coherence hint wrong for a blanked implementation bounded by a private trait A-diagnostics C-enhancement E-easy T-compiler

#62194 opened Jun 27, 2019 by nagisa

2

Split up files with `// ignore-tidy-filelength` C-cleanup E-easy T-compiler

#60302 opened Apr 26, 2019 by varkor

8

Reexports from other crate are listen in docs even when hidden by other types C-bug T-rustdoc

#70390 opened Mar 25, 2020 by DomantasJ

Shorten `Associated` to `Assoc` and rename `Method` to `AssocFn`. A-associated-items C-cleanup E-easy T-compiler

#60163 opened Apr 22, 2019 by eddyb

8

Documentation unclear with Fn trait on extern "C" function pointers A-ffi C-enhancement T-doc T-lang

#69250 opened Feb 18, 2020 by MarkMcCaskey

[rustdoc] Please add support for `Self` in inter-method docs links A-intra-doc-links C-feature-request T-rustdoc

#70484 opened Mar 27, 2020 by Lokathor

1

rustdoc -- Re-export type shadowing leads to wrong doc C-bug T-rustdoc

#70380 opened Mar 25, 2020 by Evian-Zhang

Add option to set global `no_run` for doc test A-doctests C-feature-request T-rustdoc

#70646 opened Apr 1, 2020 by Hexilee

[Docs] box doesn't contain documentation regarding ZSTs C-enhancement T-doc T-libs

#69283 opened Feb 19, 2020 by naim94a

5

[Cargo Doc] Indicate that an item is in the prelude A-resolve C-feature-request T-rustdoc

#70669 opened Apr 1, 2020 by PonasKovas

1

std::net::TcpListener.incoming documentation says the method is equivalent to accept C-enhancement T-doc T-libs

#67772 opened Jan 1, 2020 by croraf

2

Documentation neither installed nor installable on ARM64 Linux C-enhancement O-ARM T-infra

#69525 opened Feb 27, 2020 by SolraBizna

5

Update dependency versions in the various `Cargo.toml`s to the version that we actually use A-rustbuild E-easy P-medium T-compiler

#57443 opened Jan 8, 2019 by oli-obk

22

Terminology: prefer "outside inference" to "after typeck" (or worse "during codegen"). C-cleanup T-compiler

#70258 opened Mar 22, 2020 by eddyb

Improve help for code blocks invalid attributes T-rustdoc

#71469 opened Apr 23, 2020 by GuillaumeGomez

Add a rustdoc flag to show the source code externally C-feature-request T-rustdoc

#67804 opened Jan 2, 2020 by pietroalbini

10

`forbid` overwritten by later `allow` on the same "scope level" A-frontend A-lint C-bug ICEBreaker-Cleanup-Crew P-high T-compiler regression-from-stable-to-stable

#70819 opened Apr 5, 2020 by RalfJung

22

Suggest examples of format specifiers in error messages A-diagnostics A-suggestion-diagnostics C-enhancement T-compiler

#68293 opened Jan 16, 2020 by sunjay

2

ty::print::pretty's p! macro should support string literals. A-pretty C-cleanup T-compiler

#70948 opened Apr 9, 2020 by eddyb

1

Poor error/docs when attempting to constrain associated types in generic functions A-associated-items A-diagnostics C-enhancement T-compiler

#68202 opened Jan 14, 2020 by nyanpasu64

cargo doc: add option to document specific private items C-feature-request T-rustdoc

#66528 opened Nov 18, 2019 by Monnoroch

1

Cargo fix generates broken code for type names passed to derives A-edition-2018-lints A-suggestion-diagnostics C-bug D-invalid-suggestion T-compiler

#67373 opened Dec 17, 2019 by sgrif

6

It should be possible to use uninitialized memory in statics A-const-eval A-diagnostics E-easy

#57445 opened Jan 8, 2019 by robsmith11

7

libcore crate docs are out of date regarding panic handling C-enhancement T-doc T-libs

#66733 opened Nov 25, 2019 by SimonSapin

Document that casting &mut T to &mut MaybeUninit<T> is not safe C-enhancement T-doc T-lang

#66699 opened Nov 24, 2019 by Shnatsel

12

Truncated text in rustdoc warning A-macros C-bug D-confusing T-compiler T-rustdoc

#70965 opened Apr 9, 2020 by jbr

3

[lint: unsafe_in_unsafe_fn] A lint which triggers on unsafe operations in `unsafe fn` A-lint T-compiler

#69270 opened Feb 18, 2020 by Centril

3

Error handling of non references when expecting a references (borrow) A-diagnostics C-enhancement E-needs-mcve T-compiler

#71722 opened Apr 30, 2020 by ralpha

Document query modifiers C-enhancement P-medium T-compiler

#65929 opened Oct 29, 2019 by Mark-Simulacrum

18

Documentation for Implemented Traits Confusing for Beginners A-traits C-enhancement T-doc T-rustdoc

#66784 opened Nov 26, 2019 by zwhitchcox

3

Both the name of and the docs for `MaybeUninit::uninit_array()` make what it actually does somewhat unclear C-enhancement T-doc T-libs

#66845 opened Nov 28, 2019 by slightlyoutofphase

Clarification of terms C-enhancement T-rustdoc

#70898 opened Apr 7, 2020 by pavelrappo

1

Passing --disable-per-crate-search to rustdoc disables search altogether C-bug T-rustdoc

#66816 opened Nov 27, 2019 by jyn514

1

Incorrect description of std::prelude name resolution in standard library docs A-resolve C-bug T-doc T-lang

#64686 opened Sep 22, 2019 by mattheww

warning for UB `!` exprs is too light A-diagnostics A-lint A-typesystem E-easy E-needs-test T-compiler T-lang

#56190 opened Nov 23, 2018 by Gankra

7

UnwindSafe docs are unclear C-enhancement T-doc T-libs

#65717 opened Oct 23, 2019 by gnzlbg

8

Emscripten builds broken on nightly? (Linking errors in fresh "hello world" crate) A-linkage C-bug E-needs-mcve O-wasm P-high T-compiler regression-from-stable-to-stable

#66916 opened Dec 1, 2019 by elidupree

3

Suggest installing rustc-dev when rustc_* crate can't be found on nightly A-diagnostics C-enhancement T-compiler

#70157 opened Mar 19, 2020 by bjorn3

No error code for "union patterns should have exactly one field" A-diagnostics C-enhancement T-compiler

#70620 opened Mar 31, 2020 by ortem

2

Slightly confusing grammar in pinning docs. C-enhancement T-doc T-libs

#65868 opened Oct 27, 2019 by nathan-at-least

1

thread_local vs __thread: implementation and docs A-thread-locals C-bug I-slow T-doc T-libs

#67056 opened Dec 5, 2019 by steveklabnik

1

Diagnostic should explain that 'impl trait' captures generic parameters A-diagnostics A-impl-trait C-enhancement D-confusing D-papercut T-compiler

#68020 opened Jan 8, 2020 by Aaron1011

Documentation should clarify what it means for PartialEq and Ord/PartialOrd to "agree" C-enhancement T-doc T-libs

#67938 opened Jan 6, 2020 by dfoxfranke

rustdoc: Show methods from the whole Deref/DerefMut chain instead of only one level C-enhancement T-rustdoc

#71640 opened Apr 28, 2020 by sdroege

4

LLVM ERROR: Cannot select: 0xffff6c0e10d8: i32 = vecreduce_mul 0xffff6c072990 A-LLVM C-bug E-easy E-mentor E-needs-test I-ICE O-ARM T-compiler

#54510 opened Sep 23, 2018 by parched

8

rustc's -W/A/D/F options should ignore clippy:: lints C-bug

#69453 opened Feb 25, 2020 by jsgf

1

E0583: Improve error message to help with use vs mod confusion A-diagnostics C-enhancement T-compiler

#69492 opened Feb 26, 2020 by kornelski

2

Add sanity checking for query keys C-cleanup T-compiler

#68480 opened Jan 23, 2020 by Aaron1011

1

Documentation of iter::repeat_with has an example much better served by iter::successors A-iterators C-enhancement T-doc T-libs

#67156 opened Dec 8, 2019 by NieDzejkob

Closure signature hinting doesn't elaborate bounds. A-closures A-inference C-enhancement T-compiler

#71713 opened Apr 30, 2020 by eddyb

2

Example CondVar code should explicitly drop the MutexGuard after it's done with it C-enhancement T-doc T-libs

#67457 opened Dec 20, 2019 by dfoxfranke

1

Sync "rustup doc" with rust-lang.org C-feature-request T-doc T-infra

#66495 opened Nov 15, 2019 by trevordmiller

3

build.rs "rerun-if-env-changed" goes out of sync with the actual use site of the env var. A-codegen C-bug T-compiler

#70517 opened Mar 28, 2020 by eddyb

4

Type checker gives confusing tip when collecting std::str::Char into std::rc::Rc using std::from::From. A-diagnostics C-bug D-confusing D-invalid-suggestion T-compiler

#70959 opened Apr 9, 2020 by hank-der-hafenarbeiter

1

Make the documentation about `#![allow(unused)]` more visible A-diagnostics A-lint C-enhancement T-compiler T-doc

#65464 opened Oct 16, 2019 by ChrisJefferson

5

Some errors only show up with `cargo build` not `cargo check` C-enhancement T-compiler

#70923 opened Apr 8, 2020 by oli-obk

6

Occasional spurious codegen test failures A-spurious A-testsuite C-bug T-compiler

#65224 opened Oct 8, 2019 by nnethercote

Tracking Issue for the `avr-interrupt`/`avr-non-blocking-interrupt` calling convention/ABI B-unstable C-tracking-issue O-AVR T-lang WG-embedded

#69664 opened Mar 3, 2020 by dylanmckay

1

Confusing error message with “^^unexpected lifetime argument” pointing to non-lifetime argument. A-diagnostics C-bug D-confusing D-papercut T-compiler

#71563 opened Apr 25, 2020 by steffahn

Exploit mitigations applied by default are not documented A-security C-enhancement T-compiler

#71098 opened Apr 13, 2020 by Shnatsel

Use `pathdiff` crate for path_relative_from T-compiler

#67108 opened Dec 7, 2019 by Manishearth

Confusing additional warnings when hitting bindings_with_variant_name A-diagnostics C-enhancement T-compiler

#68931 opened Feb 7, 2020 by luser

Checkbox to hide unstable things? A-stability C-feature-request T-rustdoc

#68184 opened Jan 13, 2020 by gilescope

9

Don't suggest adding 'static lifetime to function arguments A-diagnostics C-enhancement D-newcomer-roadblock T-compiler

#69350 opened Feb 21, 2020 by kornelski

Documentation for sys::unix::fd::FileDesc::drop is confusing C-enhancement T-libs

#66876 opened Nov 29, 2019 by atomashpolskiy

VecDeque should support splice / extend_front A-collections C-feature-request T-libs

#69939 opened Mar 11, 2020 by Boscop

include! should allow inner doc comments and directives A-attributes A-macros C-feature-request T-lang

#66920 opened Dec 1, 2019 by joshtriplett

1

Document how ptr::drop_in_place behaves when dropping a slice panics A-ffi C-enhancement T-doc T-lang

#64407 opened Sep 12, 2019 by gnzlbg

1

ty::Const pretty printing does not handle aggregates A-const-eval A-pretty C-enhancement T-compiler

#70329 opened Mar 23, 2020 by oli-obk

1

Document the error cases for std::process::Command C-enhancement T-doc T-libs

#65125 opened Oct 5, 2019 by jfrimmel

Incorrect error reported for doc comment on if statement A-diagnostics C-bug T-compiler

#64045 opened Aug 31, 2019 by djrenren

std::future: Document that each Future (Stream, etc) must only be used by one task at a time A-async-await AsyncAwait-Triaged C-enhancement T-doc T-libs

#66709 opened Nov 24, 2019 by sdroege

4

Clarify pitfalls of references and NonNull in FFI A-ffi C-enhancement T-doc T-lang

#67234 opened Dec 11, 2019 by gnzlbg

RustDocs for SystemTime and Instant should note that their Add<Duration> implementations panic C-enhancement T-doc T-libs

#71226 opened Apr 16, 2020 by woody77

std::env members need to document "process global" risks. C-enhancement T-doc T-libs

#69691 opened Mar 4, 2020 by kentfredric

Remove -Z time-passes and error with "-Z self-profile should be used instead". A-driver A-self-profile C-cleanup E-easy E-needs-mentor T-compiler

#53631 opened Aug 23, 2018 by eddyb

15

[rustdoc] Convert double-hyphen to dash in docs C-feature-request T-rustdoc

#64081 opened Sep 2, 2019 by alexreg

14

Stability checker prevents return-position impl trait in the standard library A-impl-trait A-stability E-easy T-compiler

#54283 opened Sep 17, 2018 by scottmcm

7

Confusing E0495 error explanation A-diagnostics A-lifetimes C-enhancement T-compiler

#69067 opened Feb 11, 2020 by DustinByfuglien

1

rustdoc: Hide the "Show hidden undocumented items" C-bug C-enhancement T-rustdoc

#69160 opened Feb 14, 2020 by lzutao

1

Warn on useless bindings like `let v2 = v1.sort();` A-diagnostics A-lint C-enhancement T-compiler T-lang

#71432 opened Apr 22, 2020 by mbrubeck

15

rust-gdb fails at passing command line arguments to the executable T-dev-tools

#67196 opened Dec 10, 2019 by MeFisto94

No documentation about f32_runtime without std C-enhancement T-doc T-libs

#63905 opened Aug 25, 2019 by elichai

2

Don't generate unnecessary cleanup blocks for calls that cannot unwind A-mir C-enhancement T-compiler

#71229 opened Apr 17, 2020 by wesleywiser

Do not suggest adding a new lifetime bound in returned impl Trait if 'static is already specified in the signature A-diagnostics A-suggestion-diagnostics C-enhancement D-invalid-suggestion D-papercut T-compiler

#67910 opened Jan 6, 2020 by estebank

Direct users to crate-type=cdylib in crate-type=dylib documentation A-ffi A-frontend C-enhancement T-compiler

#65517 opened Oct 17, 2019 by hanna-kruppe

3

Tracking Issue for async blocks in const fn A-async-await A-const-fn AsyncAwait-Triaged C-tracking-issue T-lang

#69431 opened Feb 24, 2020 by CryZe

Clarify guarantees for `Vec` and `String` allocation A-allocators A-collections C-enhancement T-libs

#65801 opened Oct 25, 2019 by SimonSapin

1

Confusing MaybeUninit documentation C-enhancement T-doc T-libs

#65216 opened Oct 8, 2019 by DutchGhost

2

Tracking Issue for Integer::{log,log2,log10} B-unstable C-tracking-issue T-libs

#70887 opened Apr 7, 2020 by yoshuawuyts

19

ICE with existential associated type A-impl-trait E-easy E-help-wanted E-needs-test F-type_alias_impl_trait T-compiler requires-nightly

#54899 opened Oct 8, 2018 by Seeker14491

5

ICE from higher ranked subtyping A-lifetimes C-bug I-ICE T-compiler glacier

#67498 opened Dec 21, 2019 by matthewjasper

Unhelpful error message because of inner line doc A-diagnostics A-parser C-enhancement T-compiler

#65329 opened Oct 12, 2019 by calixteman

Don't (ab)use `TyKind::Error` when not planning to emit error A-typesystem C-cleanup T-compiler

#70866 opened Apr 6, 2020 by mark-i-m

Confusing hint on missing parentheses after collect<> A-diagnostics C-enhancement D-confusing T-compiler

#67680 opened Dec 28, 2019 by CohenArthur

rustc_const_unstable should check constness A-const-fn A-stability C-enhancement T-compiler

#69630 opened Mar 2, 2020 by DutchGhost

3

MIR dumps should use "crate_name." as a prefix instead of "rustc.". A-mir-opt A-testsuite C-enhancement T-compiler

#70767 opened Apr 4, 2020 by eddyb

1

Clarify when dependencies are linked A-linkage C-enhancement T-compiler T-doc

#64731 opened Sep 24, 2019 by dhardy

1

pub/async/doc comment parse error A-diagnostics A-parser C-enhancement E-easy T-compiler

#52790 opened Jul 27, 2018 by benbrittain

13

Suggest correct code for associated fn with type parameters A-diagnostics A-suggestion-diagnostics C-bug D-invalid-suggestion T-compiler

#68982 opened Feb 9, 2020 by estebank

Some points about documentation (generator) C-enhancement T-rustdoc

#65984 opened Oct 30, 2019 by flip111

2

Incompatible type error should explain when types come from default type parameters A-diagnostics C-enhancement D-confusing T-compiler

#67991 opened Jan 8, 2020 by varkor

CI logs should be split by build steps, or stages at the very least. C-enhancement T-infra

#70472 opened Mar 27, 2020 by eddyb

4

Replace submodules with subtrees C-enhancement T-compiler T-infra

#70651 opened Apr 1, 2020 by oli-obk

23

MIR SourceScopes stay around even when all their uses were removed. A-debuginfo A-mir C-enhancement T-compiler

#68964 opened Feb 8, 2020 by eddyb

Improve error message for `impl Self` A-diagnostics C-enhancement T-compiler

#65784 opened Oct 25, 2019 by sunjay

2

Bogus T:Sized suggestion when using size_of::<T> as a const A-diagnostics A-suggestion-diagnostics C-bug D-incorrect D-invalid-suggestion T-compiler

#69228 opened Feb 17, 2020 by bugaevc

2

Misleading error message for closure lifetime mismatch A-closures A-diagnostics C-bug T-compiler

#70127 opened Mar 19, 2020 by sunjay

1

better warning when passing format string and variable in wrong order to format/println A-diagnostics C-enhancement T-compiler

#69132 opened Feb 13, 2020 by matthiaskrgr

rustdoc's treatment of cross-crate ("imported") files is suboptimal. C-enhancement T-rustdoc

#70757 opened Apr 4, 2020 by eddyb

3

Closure capturing itself results in unclear "mismatched types" error A-closures A-diagnostics C-bug T-compiler

#68520 opened Jan 24, 2020 by jonas-schievink

1

Cleanup: Use `#[rust_intrinsic]` and nix `rust-intrinsic` et. al A-intrinsics C-cleanup T-compiler

#63585 opened Aug 15, 2019 by Centril

6

rustdoc: document fields exposed by `Deref` implementations. C-enhancement T-rustdoc

#65715 opened Oct 23, 2019 by olson-sean-k

Add in memory object files support to CompiledModule and ArchiveBuilder A-codegen A-cranelift C-enhancement I-compiletime T-compiler

#69946 opened Mar 12, 2020 by bjorn3

2

Rustdoc: prioritize matches with same casing in search results C-enhancement T-rustdoc

#69025 opened Feb 10, 2020 by Kinrany

7

Warn if type-name in parameter-position A-diagnostics A-lint C-enhancement T-compiler T-lang

#67069 opened Dec 5, 2019 by lukaslueg

1

Test exit code should distinguish between failed test and bad args A-libtest C-enhancement T-compiler T-dev-tools

#67210 opened Dec 10, 2019 by tmandry

proc_macro does not have a constructor for byte literals A-macros A-proc-macros C-feature-request T-libs

#71358 opened Apr 20, 2020 by CAD97

fs::copy on Windows has a 260 character filename limit O-windows T-libs

#67403 opened Dec 18, 2019 by jdm

2

Fix: mark relevant spans (ex: ident.span) with macro expansion context A-macros C-cleanup T-compiler

#66095 opened Nov 4, 2019 by Quantumplation

1

cargo doc --all does not document proc macro crates if target is explicitly specified A-cross A-macros C-bug T-rustdoc

#62940 opened Jul 24, 2019 by leo60228

rustdoc --test mis-reports origins of #[deny(warnings)] A-lint C-bug T-rustdoc

#66622 opened Nov 22, 2019 by kentfredric

std::env::vars() panics on any non-utf8 env var, feels like a footgun C-feature-request T-libs

#70251 opened Mar 21, 2020 by Arnavion

Pin docs should mention pitfalls of generic code A-async-await AsyncAwait-Triaged C-enhancement P-medium T-doc T-lang T-libs

#62391 opened Jul 4, 2019 by Aaron1011

3

Compile error in main code when doc-testing a crate that has the same name as a module A-doctests C-bug T-rustdoc

#68488 opened Jan 23, 2020 by HeroicKatora

3

Implement conversion traits for usize/isize together with a portability lint T-lang T-libs

#70460 opened Mar 27, 2020 by joshlf

15

Replacing sentences for references by a Bibliography section for keywords C-enhancement T-doc T-libs

#65886 opened Oct 28, 2019 by dorfsmay

9

Testing the case `assert_fake_source_file` was used to test for A-macros A-testsuite C-enhancement E-needs-test T-compiler

#69775 opened Mar 6, 2020 by Centril

rust/RELEASES.md doesn't list the Box<T> FFI change for 1.41.0 C-bug T-release

#68676 opened Jan 30, 2020 by lilyball

1

Tracking issue for target_feature 1.1 RFC B-RFC-approved C-tracking-issue F-target_feature_11 T-lang

#69098 opened Feb 12, 2020 by nikomatsakis

6

#[link_section] is only usable from the root crate A-attributes A-linkage C-bug T-compiler

#67209 opened Dec 10, 2019 by jfrimmel

4

Tracking issue for "implicit named arguments for formatting macros" B-RFC-approved C-tracking-issue F-format_implicit_args T-lang T-libs

#67984 opened Jan 7, 2020 by nikomatsakis

4

Span hygiene data should be serialized to crate metadata A-macros A-metadata C-enhancement T-compiler

#68686 opened Jan 31, 2020 by Aaron1011

3

Improve error message when an operator is only implemented for references of a given type A-diagnostics A-suggestion-diagnostics C-enhancement D-papercut T-compiler

#66040 opened Nov 2, 2019 by gralpli

[libs] Add TcpStream::keepalive and TcpStream::set_keepalive C-feature-request T-libs

#69774 opened Mar 6, 2020 by yoshuawuyts

confusing diagnostics for "as _" imports A-diagnostics C-enhancement D-confusing T-compiler

#68151 opened Jan 12, 2020 by ensc

`rustc::traits::orphan_check_trait_ref` does not consider `TraitDef::is_marker` A-traits C-bug F-marker_trait_attr T-compiler

#67919 opened Jan 6, 2020 by Centril

3

Remove padding when code spans/code link spans are adjacent C-bug T-rustdoc

#62867 opened Jul 22, 2019 by Nemo157

6

Allow deny/forbid level lints in macros to cross crate boundaries A-lint A-macros C-feature-request T-lang

#67720 opened Dec 30, 2019 by nvzqz

Make emitting an error necessary to acquire a `ErrorReported` token C-cleanup T-compiler

#69426 opened Feb 24, 2020 by varkor

[rustdoc] Fuzzy search in rustdoc should be configurable C-feature-request T-rustdoc

#69673 opened Mar 3, 2020 by guswynn

3

Document or deprecate single argument assert macro A-lint A-macros A-syntaxext C-enhancement T-compiler T-lang

#60856 opened May 15, 2019 by matklad

4

Error message [E0423] "expected value, found built-in attribute `start`" is confusing A-diagnostics A-resolve C-enhancement D-confusing T-compiler

#68457 opened Jan 22, 2020 by jorendorff

3

Add more UI tests for rustdoc A-doctests A-testsuite C-enhancement T-rustdoc

#66181 opened Nov 7, 2019 by GuillaumeGomez

Add remove, contains functions to BinaryHeap A-collections C-feature-request T-libs

#66724 opened Nov 24, 2019 by est31

5

Document that str, slices, (more?) can't safely straddle allocation boundaries C-enhancement T-doc T-lang

#62765 opened Jul 17, 2019 by hanna-kruppe

8

_mm_storeu_si16 and _mm_storeu_si64 are missing but not documented as such A-simd O-x86 T-libs

#62743 opened Jul 17, 2019 by Lokathor

impl Trait error message expected/found order are confusing A-diagnostics A-impl-trait C-enhancement T-compiler

#68561 opened Jan 27, 2020 by nikomatsakis

Document what happens if `std::iter::Take`'s `n` is greater than the amount of elements A-iterators C-enhancement T-doc T-libs

#61222 opened May 26, 2019 by KizzyCode

7

ICE from associated const in field type of lifetime-parametric struct A-borrow-checker C-bug I-ICE T-compiler glacier

#68875 opened Feb 6, 2020 by mortonsc

1

Outdated `--explain` text for E0432 "An import was unresolved." A-resolve C-bug T-compiler T-doc

#64668 opened Sep 21, 2019 by mattheww

2

Use #[rustc_layout] instead of print-type-sizes A-testsuite C-cleanup C-enhancement T-compiler

#69852 opened Mar 9, 2020 by RalfJung

6

Potentially swap arrow keys and tab in rustdoc keyboard shortcuts T-rustdoc

#65212 opened Oct 8, 2019 by Manishearth

5

Tone down encouragement to make everything Copy C-enhancement T-doc T-libs

#66588 opened Nov 20, 2019 by lukaslueg

1

Remove disambiguator from intra doc link text A-intra-doc-links C-bug T-rustdoc

#65354 opened Oct 13, 2019 by dtolnay

3

Support a rustup-toolchain-install-master contribution workflow for rustdoc A-rustbuild T-rustdoc

#66581 opened Nov 20, 2019 by Manishearth

2

ICE in librustc::traits::select::confirm_param_candidate A-associated-items A-traits A-typesystem C-bug I-ICE P-high T-compiler glacier

#68295 opened Jan 16, 2020 by aweinstock314

11

const fn can have little a phantom data A-const-fn C-feature-request T-lang

#67649 opened Dec 27, 2019 by Manishearth

4

Optimize SpecializedDecoder<Span> and SpecializedEncoder<Span> for CacheDecoder A-incr-comp C-enhancement I-compiletime T-compiler

#68780 opened Feb 2, 2020 by bjorn3

Add Default Lint to Ensure Match Arm Bindings do not Shadow Local Variables. A-diagnostics A-lint C-enhancement D-newcomer-roadblock T-compiler

#68433 opened Jan 21, 2020 by Alexhuszagh

Remove `HirId` from MIR A-hir A-lint A-mir C-cleanup T-compiler

#67692 opened Dec 29, 2019 by oli-obk

rustdoc should versionsort types in trait implementations C-enhancement T-doc T-rustdoc

#67046 opened Dec 5, 2019 by joshtriplett

3

Confusing error message with `panic!()` and `impl trait` A-diagnostics A-impl-trait C-enhancement D-confusing T-compiler

#66523 opened Nov 18, 2019 by Aaron1011

6

Misleading error message with Trait and unimplemented std::marker::Sized A-diagnostics A-traits C-enhancement T-compiler

#65734 opened Oct 23, 2019 by Weasy666

Consolidate generic "parameter" versus "argument" distinction A-diagnostics C-cleanup E-easy T-compiler T-doc

#52327 opened Jul 12, 2018 by varkor

6

lint on dbg! of non-reference with return value not used A-lint C-feature-request T-lang

#68260 opened Jan 15, 2020 by joshtriplett

2

Remove uses of `_` in defaults A-diagnostics C-enhancement T-compiler

#67693 opened Dec 29, 2019 by mark-i-m

rustdoc: search results show promising result, but referent page doesn't contain the named method. C-bug T-rustdoc

#66164 opened Nov 6, 2019 by nathan-at-least

3

typeck: diverging binding in pattern does not generate unreachable_code A-lint C-bug C-enhancement T-compiler

#68429 opened Jan 21, 2020 by Centril

1

`x.py test --no-doc` enables testing benchmarks A-rustbuild

#61913 opened Jun 17, 2019 by ehuss

feature external_doc reports wrong test origins in doc tests C-bug T-rustdoc

#60996 opened May 21, 2019 by kentfredric

1

slice methods could be added to the array docs C-enhancement T-rustdoc

#62992 opened Jul 25, 2019 by ExpHP

primitive docs should show core/alloc/std accessibility C-enhancement T-rustdoc

#62909 opened Jul 23, 2019 by cuviper

2

improve documentation for AsRef/AsMut C-enhancement T-doc T-libs

#62586 opened Jul 11, 2019 by BurntSushi

1

Warn on using intra-doc links on stable A-intra-doc-links C-enhancement T-rustdoc

#63305 opened Aug 5, 2019 by abonander

1

Misleading error when incorrectly using crate as a module. A-diagnostics C-enhancement T-compiler

#68821 opened Feb 4, 2020 by iago-lito

Doc comments break proc_macro::SourceFile A-macros C-bug T-compiler

#62892 opened Jul 23, 2019 by pustaczek

1

request: Make `unix::net::SocketAddr` create methods public C-feature-request T-libs

#65275 opened Oct 10, 2019 by kleimkuhler

1

std::fs: change ownership or Improvements for UNIX Domain Socket creation. C-feature-request T-libs

#68203 opened Jan 14, 2020 by cheako

hashbrown's trait implementations appear in std docs A-collections C-bug T-doc T-libs T-rustdoc

#62763 opened Jul 17, 2019 by 17cupsofcoffee

6

Suggest removing `&mut x` when `x: &mut T` and `&mut T` is expected type A-borrow-checker A-diagnostics A-typesystem C-enhancement D-incorrect T-compiler

#68697 opened Jan 31, 2020 by Centril

4

Many `From` implementations are undocumented C-enhancement E-easy E-mentor P-medium T-doc T-libs

#51430 opened Jun 8, 2018 by skade

27

`rustdoc` doesn't show `cfg` items that can affect whether an item is available T-rustdoc

#66413 opened Nov 14, 2019 by Twey

3

libtest --include-ignored nightly-gating is confusing A-diagnostics A-libtest A-stability C-bug T-libs

#65770 opened Oct 24, 2019 by ehuss

Document the behavior of creating empty subslice at end of slice C-enhancement T-doc T-libs

#60783 opened May 13, 2019 by sunfishcode

Rustdoc doesn't explain (or can't) linking to slice methods T-rustdoc

#62968 opened Jul 25, 2019 by Lokathor

std::io::Write::write_vectored() does not properly limit the number of iovecs. C-bug T-libs

#68042 opened Jan 9, 2020 by rustyconover

Choose a naming scheme for codegen debuginfo emission. A-cranelift A-debuginfo T-compiler

#69019 opened Feb 10, 2020 by eddyb

5

Incorrect help message for type declared on struct using raw identifier A-diagnostics T-compiler

#69053 opened Feb 11, 2020 by olegnn

9

Incorrect hint to import private member A-diagnostics A-suggestion-diagnostics C-enhancement D-invalid-suggestion E-easy T-compiler

#50923 opened May 20, 2018 by DomWilliams0

11

Tracking issue for RFC 2523, `#[cfg(version(..))]` B-RFC-approved C-tracking-issue F-cfg_version I-nominated T-lang

#64796 opened Sep 26, 2019 by Centril

53

Stdin build silently ignores non-inline mod items A-diagnostics A-parser C-bug T-compiler

#65601 opened Oct 19, 2019 by mystor

create a lint for tracking "tainted" fallback around abrupt expressions and `!` type A-inference A-lint C-tracking-issue F-never_type T-compiler

#66173 opened Nov 6, 2019 by nikomatsakis

6

Conditional features should be made clear in generated docs C-feature-request T-rustdoc

#62188 opened Jun 27, 2019 by jdm

2

Cleanup: Refactor `librustc_typeck/check/op.rs` A-typesystem C-cleanup T-compiler

#64297 opened Sep 8, 2019 by Centril

1

Docs rs "[+]" ui element does not afford usage clearly C-enhancement T-rustdoc

#60255 opened Apr 25, 2019 by Firstyear

6

const fn in panic=abort land A-const-eval A-const-fn A-testsuite C-enhancement E-needs-test T-compiler

#66557 opened Nov 19, 2019 by oli-obk

1

unclear behaviour of missing_doc_code_examples T-rustdoc

#60664 opened May 9, 2019 by Geal

1

Less codegen parallelism than expected with `-C codegen-units=16` A-codegen I-compiletime T-compiler

#64913 opened Sep 30, 2019 by SimonSapin

17

rustdoc: Built-in macros are not documented in all the necessary locations C-bug T-rustdoc

#63268 opened Aug 4, 2019 by petrochenkov

rustc panics when compiling code that uses tokio's LocalSet A-async-await AsyncAwait-Triaged C-bug E-needs-mcve E-needs-test I-ICE P-high T-compiler

#68109 opened Jan 11, 2020 by Alovchin91

5

doc-tests do not compile in release mode with --release A-doctests A-macros C-bug T-rustdoc

#60575 opened May 6, 2019 by WildCryptoFox

1

[cg_ssa] TerminatorCodegenHelper::do_call assumes that destination doesnt have more than one predecessor A-codegen A-cranelift C-bug T-compiler

#67161 opened Dec 8, 2019 by bjorn3

2

File and Metadata should document reasons to prefer *not* to use `is_file()` C-enhancement T-doc T-libs

#64170 opened Sep 5, 2019 by kentfredric

2

ICE: Adding `-C save-temps` to incremental compile causes rustc_codegen_ssa::back::write panic A-incr-comp C-bug I-ICE P-medium T-compiler glacier

#66367 opened Nov 13, 2019 by pnkfelix

6

#[must_use] does not yield warning in pattern match A-lint C-feature-request T-lang

#66425 opened Nov 14, 2019 by jonhoo

Tracking issue for RFC 2523, `#[cfg(accessible(::path::to:thing))]` B-RFC-approved C-tracking-issue F-cfg_accessible T-lang

#64797 opened Sep 26, 2019 by Centril

16

RcFromIter and ArcFromIter have unused specializations A-iterators A-specialization C-bug T-libs

#67307 opened Dec 15, 2019 by qnighy

Send/Sync type parameters come after const parameters in docs A-const-generics C-bug F-const_generics T-rustdoc requires-nightly

#61292 opened May 28, 2019 by varkor

1

cargo doc --no-deps shows rustdoc warnings in dependencies C-bug T-rustdoc

#59367 opened Mar 22, 2019 by najamelan

6

feature external_doc not traversed by rustfmt C-bug T-dev-tools T-rustdoc

#60997 opened May 21, 2019 by kentfredric

Diagnostics talk about `fn pointer` when no pointers are in the source A-diagnostics C-bug D-papercut P-low T-compiler

#67296 opened Dec 14, 2019 by oli-obk

7

Use io::Result in prototype documentation C-feature-request T-rustdoc

#62122 opened Jun 25, 2019 by xavierd

Doc comments can be passed to macros as literals A-frontend A-macros C-enhancement T-lang

#61001 opened May 21, 2019 by petrochenkov

5

Complete move to "diagnostic items" C-cleanup T-compiler

#66075 opened Nov 4, 2019 by RalfJung

1

Private doc test flag T-rustdoc

#60820 opened May 14, 2019 by WillSquire

2

Warn about path change for `#[doc(include)]` A-diagnostics C-enhancement T-rustdoc

#63335 opened Aug 6, 2019 by hdevalence

tuple variant error message is confusing A-diagnostics A-suggestion-diagnostics C-enhancement D-confusing D-newcomer-roadblock T-compiler T-doc

#65386 opened Oct 13, 2019 by ultrasaurus

20

rustdoc: link checker cannot be satisfied C-enhancement T-rustdoc

#63944 opened Aug 27, 2019 by vext01

10

warning lint on chained assignment A-diagnostics A-suggestion-diagnostics C-enhancement T-compiler T-lang

#63556 opened Aug 14, 2019 by hellow554

6

Tracking issue for RFC 2495, "Minimum Supported Rust Version" B-RFC-approved C-tracking-issue T-cargo

#65262 opened Oct 10, 2019 by Centril

17

annotate-snippet emitter: Add UI test where `annotated_files` count is > 1 A-diagnostics E-help-wanted E-mentor

#64205 opened Sep 6, 2019 by phansch

13

Immutable reference can't be destructured from a mutable reference. C-feature-request T-lang

#63132 opened Jul 30, 2019 by purpleposeidon

1

Bootstrap fails to build in not completely clean environment A-rustbuild C-bug

#63964 opened Aug 27, 2019 by jethrogb

7

Rustdoc should not fail to generate documentation when deep types are involved C-bug T-rustdoc

#62559 opened Jul 10, 2019 by nagisa

2

rustdoc: link to method (with anchor) does not unfold method documentation C-bug T-rustdoc

#59841 opened Apr 10, 2019 by RalfJung

intra-doc links to modules instead of primitives inside standard library A-intra-doc-links T-rustdoc

#58699 opened Feb 24, 2019 by tspiteri

4

rustdoc shows anonymous elided lifetimes in async fn signature C-bug T-rustdoc

#63037 opened Jul 27, 2019 by basdebue

Missed optimization: fn type calls returning never are not noreturn A-codegen C-enhancement I-slow T-compiler

#64219 opened Sep 6, 2019 by gnzlbg

9

`--remap-path-prefix` does not apply to secondary files in diagnostics A-diagnostics C-bug T-compiler

#66251 opened Nov 9, 2019 by jebrosen

1

diagnostics: suggest putting type behind binding variable in case of match x -> type A-diagnostics A-parser C-enhancement P-low T-compiler

#65768 opened Oct 24, 2019 by matthiaskrgr

1

`--emit=metadata` emitting empty .rmeta file A-metadata T-compiler

#67293 opened Dec 14, 2019 by 0dvictor

6

pthread_cond_signal/pthread_cond_broadcast return EAGAIN after retrying 8192 times in macOS O-macos T-libs

#62291 opened Jul 2, 2019 by kubo39

Incorrectly documented core::arch modules in the offical and nursery docs A-simd C-bug T-doc T-libs T-rustdoc

#59294 opened Mar 19, 2019 by gnzlbg

5

Misleading message for [E0392] with associated types of trait bound A-diagnostics C-bug T-compiler

#67361 opened Dec 16, 2019 by sharnoff

rustdoc generation of search-index.js depends on the order crates are documented A-reproducibility C-bug T-rustdoc

#61216 opened May 26, 2019 by ollie27

2

Impl trait in type aliases: defining use via struct F-type_alias_impl_trait T-lang

#66980 opened Dec 3, 2019 by dhardy

Extend `span_label` to include fallback operation A-diagnostics C-cleanup T-compiler

#64184 opened Sep 5, 2019 by estebank

missing `fn` before `main()` -- error could be improved A-diagnostics A-parser C-enhancement D-newcomer-roadblock T-compiler

#65381 opened Oct 13, 2019 by ultrasaurus

3

Tracking issue for `impl Trait` in `const` and `static` items and `let` bindings A-impl-trait B-RFC-approved B-unstable C-tracking-issue F-impl_trait_in_bindings T-lang requires-nightly

#63065 opened Jul 28, 2019 by Centril

cstore_impl dependency format linkage sometimes unknown A-linkage T-compiler

#65890 opened Oct 28, 2019 by pnkfelix

3

Document that CString::new sheds unused capacity from the buffer it's given A-ffi C-enhancement T-doc T-libs

#60558 opened May 5, 2019 by Minoru

2

Various documentation for SIMD stuff is out of date A-simd C-bug T-doc T-libs

#58360 opened Feb 10, 2019 by Lokathor

1

impl-trait type alias is usable in impl blocks C-bug F-type_alias_impl_trait T-compiler requires-nightly

#65384 opened Oct 13, 2019 by DutchGhost

Add tests for ensuring we have the right impls for arithmetic traits A-testsuite C-enhancement E-easy E-needs-test T-compiler

#49660 opened Apr 4, 2018 by clarfon

11

Distinguish between fenced and indented code blocks in error message A-diagnostics A-doctests C-enhancement T-doc T-rustdoc

#64162 opened Sep 5, 2019 by lightclient

10

E0515 searching internet for the phrase "owned value" does not give helpful results C-enhancement T-doc

#62071 opened Jun 23, 2019 by KyleSiefring

7

Tracking issue for debug_map_key_value B-RFC-approved C-tracking-issue T-libs

#62482 opened Jul 7, 2019 by KodrAus

1

Extend overlapping ranges lint to cover cases with more than a single element overlapping A-lint I-needs-decision T-lang

#65477 opened Oct 16, 2019 by estebank

1

Detect out of order fn arguments and suggest the correct order A-diagnostics A-suggestion-diagnostics C-enhancement T-compiler

#65537 opened Oct 18, 2019 by estebank

capping lints does not work for rustdoc A-lint C-bug T-rustdoc

#66623 opened Nov 22, 2019 by kentfredric

1

Tracking issue for RFC 2582, `&raw [mut | const] $place` (raw_ref_op) B-RFC-approved C-tracking-issue F-raw_ref_op T-lang requires-nightly

#64490 opened Sep 15, 2019 by Centril

44

Fix off-by-one-error in stage numbering between rustc-guide and rustbuild A-rustbuild C-enhancement T-compiler T-infra

#57963 opened Jan 29, 2019 by dwijnand

19

update rustdoc's syntax checker to work with error-recovering lexer C-cleanup T-rustdoc

#63284 opened Aug 5, 2019 by matklad

5

Clarify docs around what libcore users must declare C-enhancement T-doc T-libs

#57255 opened Jan 2, 2019 by JustAPerson

1

annotate-snippet emitter: Include suggestions in output A-diagnostics E-help-wanted

#61809 opened Jun 13, 2019 by phansch

3

`std::Pin` documentation missing example C-enhancement T-doc T-libs

#58882 opened Mar 2, 2019 by bIgBV

2

Suggest .err().expect() if .expect_err() is not implemented A-suggestion-diagnostics C-enhancement T-compiler

#65019 opened Oct 2, 2019 by lukaslueg

Suggested improvements to `usage-of-qualified-ty` lint A-lint T-compiler

#63186 opened Aug 1, 2019 by alexreg

3

Add a `starts_with(s: &str) -> bool` method for `fmt::Arguments`? C-feature-request T-libs

#66773 opened Nov 26, 2019 by phil-opp

2

Build fail when specify a local source for libc A-rustbuild

#59816 opened Apr 9, 2019 by BaoshanPang

1