Pulse · rust-lang/rust · GitHub

March 29, 2019 – April 5, 2019

Overview

173 Active Pull Requests

115 Active Issues

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118 Pull requests merged by 59 people

Merged #59643 std: Upgrade `compiler_builtins` to fix wasi linkage Apr 5, 2019
Merged #59704 ci: Update FreeBSD tarball downloads Apr 5, 2019
Merged #59676 std: Avoid usage of `Once` in `Instant` Apr 4, 2019
Merged #59695 Rollup of 8 pull requests Apr 4, 2019
Merged #59685 Add description for -Os and -Oz in rustc.1 Apr 4, 2019
Merged #59686 Temporarily disable stack probing for gnux32. Apr 4, 2019
Merged #59671 Make some of lexer's API private Apr 4, 2019
Merged #59639 Never return uninhabited values at all Apr 4, 2019
Merged #59596 Forward formatter settings to bounds of `Range<T>` in `fmt::Debug` impl Apr 4, 2019
Merged #59556 update stdsimd Apr 4, 2019
Merged #59555 update miri Apr 4, 2019
Merged #59470 Document std::fs::File close behavior ignoring errors Apr 4, 2019
Merged #59619 wasi: Implement more of the standard library Apr 4, 2019
Merged #59517 Move query definitions over to the proc macro Apr 4, 2019
Merged #59089 Support using LLVM's libunwind as the unwinder implementation Apr 4, 2019
Merged #59684 Rollup of 6 pull requests Apr 4, 2019
Merged #59677 rustfix coverage: Skip UI tests with non-json error-format Apr 4, 2019
Merged #59669 Reduce repetition in librustc(_lint) wrt. impl LintPass by using macros Apr 4, 2019
Merged #59664 Updated the documentation of spin_loop and spin_loop_hint Apr 4, 2019
Merged #59666 Updated the environment description in rustc. Apr 4, 2019
Merged #59663 Be more direct about borrow contract Apr 4, 2019
Merged #59316 Internal lints take 2 Apr 4, 2019
Merged #59672 Revert rust-lld place changes Apr 4, 2019
Merged #59182 Add dist builder for Armv8-M Baseline and HF Apr 3, 2019
Merged #58458 Tweak `Span` encoding. Apr 3, 2019
Merged #59640 [beta] Permit unwinding through FFI by default Apr 3, 2019
Merged #59657 Rollup of 4 pull requests Apr 3, 2019
Merged #59630 Shrink `mir::Statement`. Apr 3, 2019
Merged #59514 Remove adt_def from projections and downcasts in MIR Apr 3, 2019
Merged #59186 improve worst-case performance of BTreeSet intersection v3 Apr 3, 2019
Merged #55448 Add 'partition_at_index/_by/_by_key' for slices. Apr 3, 2019
Merged #59623 [beta] Update cargo Apr 3, 2019
Merged #59638 ci: Disable llvm/debug assertions on x86_64-mingw Apr 3, 2019
Merged #59636 Rollup of 4 pull requests Apr 2, 2019
Merged #59529 Added documentation on the remainder (Rem) operator for floating points. Apr 2, 2019
Merged #59446 Fix stack overflow when generating debuginfo for 'recursive' type Apr 2, 2019
Merged #59341 Fix custom relative libdir Apr 2, 2019
Merged #59166 resolve: collect trait aliases along with traits Apr 2, 2019
Merged #59632 Rollup of 8 pull requests Apr 2, 2019
Merged #59613 SGX target: convert a bunch of panics to aborts Apr 2, 2019
Merged #59607 Renames `EvalErrorKind` to `InterpError` Apr 2, 2019
Merged #59585 Fixes for shallow borrows Apr 2, 2019
Merged #59533 Support allocating iterators with arenas Apr 2, 2019
Merged #59452 Speed up rustdoc run a bit Apr 2, 2019
Merged #59444 Implement useful steps_between for all integers Apr 2, 2019
Merged #59286 Refactor async fn return type lowering Apr 2, 2019
Merged #59262 Remove duplicated code from Iterator::{ne, lt, le, gt, ge} Apr 2, 2019
Merged #59606 Rollup of 7 pull requests Apr 1, 2019
Merged #59601 Fix small typo Apr 1, 2019
Merged #59603 stabilize ptr::hash Apr 1, 2019
Merged #59595 Update rustc-guide submodule Apr 1, 2019
Merged #59586 Fixed URL in cargotest::TEST_REPOS Apr 1, 2019
Merged #59041 fixes rust-lang#56766 Apr 1, 2019
Merged #58919 Suggest using anonymous lifetime in `impl Trait` return Apr 1, 2019
Merged #58507 Add a -Z time option which prints only passes which runs once Apr 1, 2019
Merged #59593 Print the appveyor agent version at the start of the build Apr 1, 2019
Merged #59507 Optimize indentation in the pretty printer. Apr 1, 2019
Merged #59577 Fix LLVM IR generated for C-variadic arguments Mar 31, 2019
Merged #59587 Remove #[doc(hidden)] from Error::type_id Mar 31, 2019
Merged #59590 Rollup of 7 pull requests Mar 31, 2019
Merged #59581 Stabilize refcell_replace_swap feature Mar 31, 2019
Merged #59583 match match match match match Mar 31, 2019
Merged #59580 Allow closure to unsafe fn coercion Mar 31, 2019
Merged #59519 rustc_target: factor out common fields of non-Single Variants. Mar 31, 2019
Merged #59506 Use platform dependent mcount function Mar 31, 2019
Merged #58805 Lint for redundant imports Mar 31, 2019
Merged #59584 Rollup of 4 pull requests Mar 31, 2019
Merged #59574 Distinguish message for external macros depending on error level Mar 31, 2019
Merged #59572 Include bounds in generic re-ordering diagnostic Mar 31, 2019
Merged #59234 Mention `no merge policy` in the CONTRIBUTING guide Mar 31, 2019
Merged #58828 libstd: deny(elided_lifetimes_in_paths) Mar 31, 2019
Merged #59566 Use the existing LLVM GitInfo for checking rebuilds Mar 31, 2019
Merged #59575 Rollup of 3 pull requests Mar 31, 2019
Merged #59569 Add book.toml with title to unstable-book doc Mar 31, 2019
Merged #59562 Changed reference style in dbg macro docs. Mar 31, 2019
Merged #59405 doc: use correct body font URLs Mar 31, 2019
Merged #59516 Update cargo Mar 30, 2019
Merged #59561 Rollup of 5 pull requests Mar 30, 2019
Merged #59544 manifest: only include miri on the nightly channel Mar 30, 2019
Merged #59539 Fix infinite recursion Mar 30, 2019
Merged #59463 skip dyn keyword lint under macros Mar 30, 2019
Merged #59380 Fix invalid DWARF for enums when using ThinLTO Mar 30, 2019
Merged #59343 rustc(codegen): uncache `def_symbol_name` prefix from `symbol_name`. Mar 30, 2019
Merged #59550 Rollup of 10 pull requests Mar 30, 2019
Merged #59534 rustdoc: collapse blanket impls in the same way as normal impls Mar 30, 2019
Merged #59537 Fix OnceWith docstring. Mar 30, 2019
Merged #59532 In doc examples, don't ignore read/write results Mar 30, 2019
Merged #59525 Whitelist some rustc attrs Mar 30, 2019
Merged #59512 implement `AsRawFd` for stdio locks Mar 30, 2019
Merged #59499 Fix broken download link in the armhf-gnu image Mar 30, 2019
Merged #59453 Recover from parse error in tuple syntax Mar 30, 2019
Merged #59455 Account for short-hand field syntax when suggesting borrow Mar 30, 2019
Merged #59376 RFC 2008: Enum Variants Mar 30, 2019
Merged #59464 Add a new wasm32-unknown-wasi target Mar 30, 2019
Merged #58846 Misc refactorings to rustc_codegen_ssa Mar 30, 2019
Merged #59522 Rollup of 9 pull requests Mar 29, 2019
Merged #59510 Rename `type_parameters` to `generics` and so on Mar 29, 2019
Merged #59486 Visit `ImplItem` in `dead_code` lint Mar 29, 2019
Merged #59480 Update stdsimd Mar 29, 2019
Merged #59473 Do not emit incorrect borrow suggestion involving macros and fix overlapping multiline spans Mar 29, 2019
Merged #59467 Better diagnostic for binary operation on BoxedValues Mar 29, 2019
Merged #59454 Update rustfmt to 1.2.0 Mar 29, 2019
Merged #59462 Fix error in Rust 2018 + no_core environment Mar 29, 2019
Merged #59436 Update jemalloc-sys to version 0.3.0 Mar 29, 2019
Merged #59366 Update books Mar 29, 2019
Merged #59303 replace llvm-rebuild-trigger with submodule commit hash Mar 29, 2019
Merged #59511 Fix missed fn rename in #59284 Mar 29, 2019
Merged #59513 Rollup of 11 pull requests Mar 29, 2019
Merged #59503 Stablize {f32,f64}::copysign(). Mar 29, 2019
Merged #59498 Use 'write_all' instead of 'write' in example code Mar 29, 2019
Merged #59496 Remove unnecessary with_globals calls Mar 29, 2019
Merged #59476 Use `SmallVec` in `TokenStreamBuilder`. Mar 29, 2019
Merged #59468 musl: build toolchain libs with -fPIC Mar 29, 2019
Merged #59423 Visit path in `walk_mac` Mar 29, 2019
Merged #59401 bootstrap: build crates under libtest with -Z emit-stack-sizes Mar 29, 2019
Merged #59394 warn -> deny duplicate match bindings Mar 29, 2019
Merged #59358 Use `track_errors` instead of hand rolling Mar 29, 2019
Merged #58019 Combine all builtin late lints and make lint checking parallel Mar 29, 2019

55 Pull requests proposed by 34 people

Proposed #59527 remove ?Sized bounds from Index Mar 29, 2019
Proposed #59530 [do not merge] Test parallel compiler Mar 29, 2019
Proposed #59536 Introduce an arena type which may be used to allocate a list of types with destructors Mar 29, 2019
Proposed #59540 [WIP] Use arenas to avoid Lrc in queries #1 Mar 29, 2019
Proposed #59545 [WIP] Use arenas to avoid Lrc in queries #2 Mar 30, 2019
Proposed #59546 Add llvm.sideeffect to potential infinite loops and recursions Mar 30, 2019
Proposed #59560 MIR generation cleanup Mar 30, 2019
Proposed #59564 Move back::link and debuginfo::type_names to cg ssa Mar 30, 2019
Proposed #59591 [WIP] Implement Needle API (RFC 2500) Mar 31, 2019
Proposed #59592 [do not merge] Test ahash Mar 31, 2019
Proposed #59594 [do not merge] Use new rustc_hash Apr 1, 2019
Proposed #59598 [WIP] Use buffered aHash as StableHasher Apr 1, 2019
Proposed #59599 Updated RELEASES.md for 1.34.0 Apr 1, 2019
Proposed #59600 Replaced linear token counting macros with optimized implementation Apr 1, 2019
Proposed #59605 [WIP] impl FromIterator for Option/Result via scan Apr 1, 2019
Proposed #59612 Use normal newtype_index macro for MIR dataflows Apr 1, 2019
Proposed #59617 Update Clippy Apr 1, 2019
Proposed #59622 Ensure that exact matches come first in rustdoc search Apr 1, 2019
Proposed #59624 SGX target: Use linker option to avoid code CGU assignment kludge Apr 2, 2019
Proposed #59625 [WIP] Expose va_copy and va_end intrinsics from core::intrinsics Apr 2, 2019
Proposed #59626 Reduce the `DepNode` pre-allocation ratio. Apr 2, 2019
Proposed #59627 [WIP] Improve miri error reporting in check_in_alloc Apr 2, 2019
Proposed #59628 `as_deref()` and `as_deref_mut()` impls Apr 2, 2019
Proposed #59634 Added an explanation for the E0704 error. Apr 2, 2019
Proposed #59642 [beta] Rollup backports Apr 2, 2019
Proposed #59646 const fn: Improve wording Apr 2, 2019
Proposed #59648 Add must_use annotations to Result::is_ok and is_err Apr 2, 2019
Proposed #59651 Add discr_index to multi-variant layouts Apr 2, 2019
Proposed #59654 Rename `EvalResult` to `InterpResult` Apr 3, 2019
Proposed #59655 Use a proc macro to declare preallocated symbols Apr 3, 2019
Proposed #59658 Minimum lint levels for C-future-compatibility issues Apr 3, 2019
Proposed #59665 improve worst-case performance of HashSet.is_subset Apr 3, 2019
Proposed #59675 Stabilize the `alloc` crate. Apr 3, 2019
Proposed #59680 Document the -Z flag to the rustc book Apr 3, 2019
Proposed #59681 Update cargo Apr 3, 2019
Proposed #59687 cleanup shebang handling in the lexer Apr 4, 2019
Proposed #59690 Mark unix::ffi::OsStrExt methods as inline Apr 4, 2019
Proposed #59691 head expression => scrutinee Apr 4, 2019
Proposed #59693 Increase `Span` from 4 bytes to 8 bytes. Apr 4, 2019
Proposed #59696 Remove invalid assertion back::link::from add_upstream_rust_crates(). Apr 4, 2019
Proposed #59697 tweak unresolved label suggestion Apr 4, 2019
Proposed #59698 Documented BinaryHeap performance. Apr 4, 2019
Proposed #59699 fixes rust-lang#57431 Apr 4, 2019
Proposed #59700 Simplify doc comment lexing Apr 4, 2019
Proposed #59701 [WIP] musl: try harder to enforce PIC Apr 4, 2019
Proposed #59702 Use declare_lint_pass! and impl_lint_pass! in more places Apr 4, 2019
Proposed #59706 The essence of lexer Apr 4, 2019
Proposed #59707 Add missing tryfrom example Apr 4, 2019
Proposed #59708 Mark variables captured by reference as mutable correctly Apr 4, 2019
Proposed #59710 rustc: Start implementing compat with LLVM 9 Apr 4, 2019
Proposed #59711 Add back the substring test Apr 4, 2019
Proposed #59712 wasm32: Default to a "static" relocation model Apr 4, 2019
Proposed #59715 Rollup of 6 pull requests Apr 5, 2019
Proposed #59717 improve docs for std::hint::unreachable_unchecked() Apr 5, 2019
Proposed #59719 Allocate symbol names in an arena instead of using the string interner Apr 5, 2019

73 Issues closed by 23 people

Closed #59714 PathBuf pop()s even if file_name is None Apr 5, 2019
Closed #59020 park_timeout not waking up after timeout on macs Apr 4, 2019
Closed #48227 llvm lint: "Return statement in function with noreturn attribute" caused by .count() ? Apr 4, 2019
Closed #59477 `miri` no longer builds after rust-lang/rust#59471 Apr 4, 2019
Closed #52685 No documentation of dropping behaviour for std::fs::File Apr 4, 2019
Closed #59022 `-> impl Fn()` fails with closures used as `FnMut` but actually Fn Apr 4, 2019
Closed #58104 beta 1.33 seems to break tarpaulin on multithreading Apr 4, 2019
Closed #51624 ICE with generators Apr 4, 2019
Closed #49537 ICE with impl Generator: self.has_escaping_regions Apr 4, 2019
Closed #59094 Add convenience wrappers for `type_dependent_defs` Apr 4, 2019
Closed #55418 Document when to use std::thread::yield_now vs. std::sync::atomic::spin_loop_hint Apr 4, 2019
Closed #59504 Incorrect description of environment variables in rustc man pages Apr 4, 2019
Closed #44868 AsRef/Borrow/BorrowMut need better documentation Apr 4, 2019
Closed #56736 stable rustc --version hangs forever Apr 4, 2019
Closed #59661 Current Windows nightly misses `rust-lld` Apr 4, 2019
Closed #29300 Filesystem API needs more documenation Apr 3, 2019
Closed #24795 Audit and document the system calls made for each "primitive" IO API Apr 3, 2019
Closed #59662 ICE in trait codegen: Encountered error `Unimplemented` during codegen Apr 3, 2019
Closed #59645 Dubious borrowck warning in 2018 edition Apr 3, 2019
Closed #57738 What does the % operator on floats do? Apr 2, 2019
Closed #58463 compiler stack overflow compiling run-pass/issues/issue-29466.rs and run-pass/issues/issue-36792.rs with debuginfo Apr 2, 2019
Closed #56485 Bringing a trait alias into scope doesn't allow calling methods from its component traits Apr 2, 2019
Closed #40108 Rust source make install fails due to missing vendor folder Apr 2, 2019
Closed #51451 Add docs for keywords Apr 2, 2019
Closed #58160 Spurious "Command exited with code 259" on AppVeyor Apr 2, 2019
Closed #54974 async fn: 'static lifetime not inferred for Arc trait object Apr 2, 2019
Closed #55324 `async fn` doesn't capture lifetimes of type parameters if other lifetimes are present Apr 2, 2019
Closed #58885 async/await: Usage of trait objects reports multiple different lifetimes when only one is used Apr 2, 2019
Closed #59001 async: hidden type for `impl Trait` captures lifetime that does not appear in bounds Apr 2, 2019
Closed #59616 linker error on wasm32-unknown-wasi Apr 2, 2019
Closed #47317 Experiment with sharing monomorphized code between crates Apr 2, 2019
Closed #56286 Tracking issue for std::ptr::hash Apr 1, 2019
Closed #56766 Blank document comment in trait raises error different from with that in function. Apr 1, 2019
Closed #48467 impl trait error message around `'static` is probably confusing Apr 1, 2019
Closed #59610 Mark Result::is_ok as #[must_use] Apr 1, 2019
Closed #59344 ICE on Hyper/Juniper Example Apr 1, 2019
Closed #59609 ICE: 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:588:9 Apr 1, 2019
Closed #59604 Unable to link mingw64 + rust nightly undefined reference to `__imp___acrt_iob_func' Apr 1, 2019
Closed #59567 Add `close` method to `File` Apr 1, 2019
Closed #58647 Align dbg!() and line!() output Apr 1, 2019
Closed #58881 Building Firefox with rustc 1.34.0-nightly fails with LLVM ERROR: broken function found. Mar 31, 2019
Closed #43570 Tracking issue for RefCell::{replace, swap} Mar 31, 2019
Closed #57883 Direct coercion from closures to `unsafe fn` pointers Mar 31, 2019
Closed #59097 Use platform dependent mcount function Mar 31, 2019
Closed #10178 Unused imports are too conservative Mar 31, 2019
Closed #57716 Distinguish between error vs. warning for external macros Mar 31, 2019
Closed #59508 Generic parameter reordering diagnostic doesn't contain bounds Mar 31, 2019
Closed #59589 testing rfcbot, ignore me Mar 31, 2019
Closed #41123 Include a list of struct methods in reference sidebar on struct pages Mar 31, 2019
Closed #59565 Nightly fails to build unless git is installed Mar 31, 2019
Closed #59493 format! ignores width argument while formatting something else than a primitive as Display Mar 30, 2019
Closed #59559 Please add "Abandon 996" badge in this project to support us. Mar 30, 2019
Closed #56327 edition compatibility lints: Warning about `dyn` in a macro incorrectly Mar 30, 2019
Closed #59563 musl arm tun ioctl different type Mar 30, 2019
Closed #59399 UTF-8 parsing with state machine Mar 30, 2019
Closed #58383 Suppress dbg! in release build Mar 30, 2019
Closed #59523 incremental compilation flags #[rustc_on_unimplemented] as an unused attribute Mar 30, 2019
Closed #59524 incremental compilation flags #[rustc_layout_scalar_valid_range_*] as an unused attribute Mar 30, 2019
Closed #52965 Incorrect dereferencing suggestion when using init shorthand Mar 30, 2019
Closed #59551 rustc stack overflows when running cargo doc on a project with nix Mar 30, 2019
Closed #42863 Generic associated consts can't currently be used to parameterize fixed array lengths Mar 30, 2019
Closed #47131 Unused warning for type alias doesn't take into account inherent impls. Mar 29, 2019
Closed #58298 Nonsensical error message for string error inside macro Mar 29, 2019
Closed #59458 Better diagnostics for binary operators Mar 29, 2019
Closed #42405 [rustbuild] LLVM seems to not be rebuilt when submodule changes Mar 29, 2019
Closed #54959 Rebuild LLVM when it changed Mar 29, 2019
Closed #55537 we don't detect LLVM needing a rebuild correctly in `llvm-finished-building` Mar 29, 2019
Closed #59526 i want to add auto Debug #[derive(Debug)] to every struct Mar 29, 2019
Closed #45653 incr.comp.: Directly accessing attributes for `compile_codegen_unit()` might lead to surprising re-compilations Mar 29, 2019
Closed #41253 powerpc32: Expected no forward declarations! LLVM ERROR: Broken function found, compilation aborted! Mar 29, 2019
Closed #59411 ripgrep fails to build with MUSL on Linux since the nightly release on 2019-03-15 Mar 29, 2019
Closed #54110 libsyntax visitor does not visit the paths in macros Mar 29, 2019
Closed #59215 Use `track_errors` instead of hand-rolling such a check Mar 29, 2019

42 Issues created by 36 people

Opened #59718 TLS lookups in libsyntax_pos are expensive Apr 5, 2019
Opened #59716 ICE in src/librustc/ty/query/plumbing.rs when compiling incrementally Apr 5, 2019
Opened #59713 Improved error message when forgetting to specify default type parameter Apr 4, 2019
Opened #59709 Macros ignore formatting Apr 4, 2019
Opened #59705 Undefined symbols for architecture x86_64 Apr 4, 2019
Opened #59703 Unexpected panic while using `cargo doc` command with nom 4.2.2. Apr 4, 2019
Opened #59683 Use `declare_lint_pass!` for internal lints Apr 3, 2019
Opened #59679 Move the compiler flags in the unstable book to the rustc book Apr 3, 2019
Opened #59674 Fix stack probing for x32 Apr 3, 2019
Opened #59673 'specified instant was later than self' from alacritty, rustc 1.33 Apr 3, 2019
Opened #59667 Release nightly compilers with ability to internally parallelize Apr 3, 2019
Opened #59660 DiagnosticSpanLine pointing inside char boundary Apr 3, 2019
Opened #59659 Run-pass checks for warnings, notes, etc. Apr 3, 2019
Opened #59656 Why are 'maybe' bounds not permitted in trait objects? Apr 3, 2019
Opened #59652 [firefox] error: relocation refers to local symbol "" [12], which is defined in a discarded section Apr 2, 2019
Opened #59650 Improve incremental compile speed on `webrender_api` Apr 2, 2019
Opened #59637 Re-enable LLVM and debug assertions for x86_64-mingw builder Apr 2, 2019
Opened #59633 ASAN does not complain on use-after-free example Apr 2, 2019
Opened #59631 Recursive static with impl Trait errors out early Apr 2, 2019
Opened #59629 Thread locals keep Rust shared library from unloading `dlclose`. Apr 2, 2019
Opened #59620 False positive "variable does not need to be mutable" with two closures Apr 1, 2019
Opened #59618 Add drain_filter to HashMap, HashSet, and other collections Apr 1, 2019
Opened #59614 Synchronization primitives not robust against unwinding Apr 1, 2019
Opened #59611 Weird error message for non-const const fns Apr 1, 2019
Opened #59608 Types from current crate and dependencies are indistinguishable in error messages Apr 1, 2019
Opened #59597 Tracking Issue: Add rustc-guide to toolstate Apr 1, 2019
Opened #59588 Cast and Coercion enums duplicate a lot of structure Mar 31, 2019
Opened #59578 Check that non-overwrite accesses to downcast projections are dominated by variant checks. Mar 31, 2019
Opened #59573 `core` lacks a stable version of `transmute` Mar 30, 2019
Opened #59571 Implement a custom allocator to provide detailed memory usage info during compilation Mar 30, 2019
Opened #59558 Missing line information for calls to diverging functions Mar 30, 2019
Opened #59557 doc tests fail without any information when missing back quotes. Mar 30, 2019
Opened #59554 Give the Unstable Book a title Mar 30, 2019
Opened #59553 Tuple indexing regression Mar 30, 2019
Opened #59549 Confusing wording in documentation for std::hint::unreachable_unchecked() Mar 30, 2019
Opened #59548 ICE in librustc_codegen_llvm when building kernel Mar 30, 2019
Opened #59543 std::env::SplitPaths does not document its Item type Mar 30, 2019
Opened #59542 regression in deterministic generation of binary from 1.32 to 1.33 Mar 30, 2019
Opened #59541 x.py should indicate status code of failed commands Mar 29, 2019
Opened #59535 Incremental compilation results in linker error when method use is removed Mar 29, 2019
Opened #59531 libprofiler_builtins is missing compile-time flags Mar 29, 2019
Opened #59521 unreachability warning inconsistently provided with thread spawn Mar 29, 2019

217 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.

49 new comments Open #56410 Use the parking_lot locking primitives Apr 5, 2019
39 new comments Open #59520 Add assert Apr 1, 2019
26 new comments Open #59276 Cleanup (pretty) printing of `ty::Const` Apr 4, 2019
17 new comments Open #59500 Unsized rvalues: implement boxed closure impls. (2nd try) Apr 5, 2019
15 new comments Open #58794 Default behavior of unwinding in FFI functions Apr 4, 2019
14 new comments Open #41517 Tracking issue for trait aliases Apr 3, 2019
14 new comments Open #59335 Properly parse '--extern-private' with name and path Apr 2, 2019
13 new comments Open #59489 Bors policy question: Auto-reassignment on r+ Apr 4, 2019
11 new comments Open #58739 More restrictive 2 phase borrows - take 2 Apr 5, 2019
9 new comments Open #54395 Get the eval out of miri engine Apr 2, 2019
9 new comments Open #59314 Implement CString::from_reader Apr 5, 2019
9 new comments Open #59440 [WIP] Update libtest to version 0.0.2 Apr 5, 2019
9 new comments Open #59445 Ban multi-trait objects via trait aliases Apr 4, 2019
8 new comments Open #58633 `./x.py check` failed if incremental builds enabled Apr 1, 2019
8 new comments Open #52708 [nll] change how MIR represents places Apr 4, 2019
8 new comments Open #49799 lint: convert incoherent_fundamental_impls into hard error Mar 31, 2019
7 new comments Open #54716 Unused arguments to async fn are dropped too early Apr 4, 2019
7 new comments Open #58465 Implement "pipelined" rustc compilation (compiler side) Apr 4, 2019
7 new comments Open #58894 Fix invalid bounds string generation in rustdoc Apr 3, 2019
6 new comments Open #53491 Tracking issue for RFC 1892, "Deprecate uninitialized in favor of a new MaybeUninit type" Mar 29, 2019
6 new comments Open #44874 Tracking issue for `arbitrary_self_types` Apr 2, 2019
6 new comments Open #51497 Method resolution should obey usual shadowing rules for glob imports & prelude Apr 4, 2019
6 new comments Open #58281 [WIP] Add outlives suggestions for some lifetime errors Apr 2, 2019
6 new comments Open #59064 Turn HIR indexing into a query Apr 4, 2019
6 new comments Open #59076 Include trailing comma in multiline Debug representation Apr 4, 2019
6 new comments Open #59128 Emit ansi color codes in the `rendered` field of json diagnostics Apr 2, 2019
6 new comments Open #59288 [WIP] [let_chains, 1/6] Remove hir::ExprKind::If Apr 5, 2019
5 new comments Open #54542 How to safely initialize an array of Vec with MaybeUninit doc example Mar 30, 2019
5 new comments Open #27800 Tracking issue for channel selection Apr 1, 2019
5 new comments Open #41142 Document other kinds of unstability in The Unstable Book Apr 3, 2019
5 new comments Open #43610 "failed to run cargo build" on powerpc64 when installing rust 1.19.0 Apr 4, 2019
5 new comments Open #58623 Replace HashMap implementation with SwissTable (as an external crate) Apr 3, 2019
5 new comments Open #59483 [WIP] UNUSED_EXTERN_CRATES -> Deny Apr 4, 2019
5 new comments Open #59515 WIP - Use measureme in self profiler Apr 5, 2019
4 new comments Open #59502 rustdoc overflows stack on latest nightly Mar 29, 2019
4 new comments Open #59509 Re-introduce load-bearing assert, or fix niche debuginfo generation properly. Mar 30, 2019
4 new comments Open #34601 Add documentation for all keywords like the primitive types' documentation Apr 2, 2019
4 new comments Open #57128 Improve miri's error reporting in check_in_alloc Apr 2, 2019
4 new comments Open #59490 eventual goal: re-remove leak-check from compiler Apr 3, 2019
4 new comments Open #44113 global_allocator can not not be defined inside module Apr 3, 2019
4 new comments Open #57771 rustup: rls cannot be downloaded for nightly Apr 3, 2019
4 new comments Open #59278 `BinaryHeap` owned iterators should yield items in heap order Apr 3, 2019
4 new comments Open #53014 LNK1189 "library limit of 65535 obj exceeded" building rustc Apr 4, 2019
4 new comments Open #59105 Incremental compilation error building rustc (`-i --keep-stage 0`) Apr 4, 2019
4 new comments Open #58702 libcore => 2018 Apr 1, 2019
4 new comments Open #58756 Add float conversions to and from bytes Apr 2, 2019
4 new comments Open #58975 Implement `iter::Sum` and `iter::Product` for `Option` Mar 30, 2019
4 new comments Open #59119 Future-proof the Futures API Apr 3, 2019
4 new comments Open #59227 Fix lifetime on LocalInternedString::get function Apr 2, 2019
4 new comments Open #59381 Use libtest from crates.io for compiletest Mar 30, 2019
4 new comments Open #59443 Add unstable cfg_if! macro to libcore Apr 4, 2019
4 new comments Open #59505 Use a more lightweight cache for erase_regions Apr 4, 2019
3 new comments Open #58046 Tracking issue for {f32, f64}::copysign Mar 29, 2019
3 new comments Open #58099 Tracking issue for Transitioning crates to Rust 2018 Mar 31, 2019
3 new comments Open #57385 Suggest appropriate place for type argument after associated type Apr 1, 2019
3 new comments Open #55398 Can't find E0704 error code info Apr 1, 2019
3 new comments Open #54520 Expand examples on str functions Apr 1, 2019
3 new comments Open #11084 rust doesn't optimize closure in scan iterator Apr 2, 2019
3 new comments Open #39640 Document unwind-safety without referencing an RFC Apr 3, 2019
3 new comments Open #40322 std::io functions should document which ErrorKinds they can return Apr 3, 2019
3 new comments Open #49509 Add compiler-internal lints Apr 4, 2019
3 new comments Open #40177 Migrate rustc from rustc-serialize to serde Apr 4, 2019
3 new comments Open #27732 Tracking issue for DST coercions (coerce_unsized, unsize) stabilization Apr 4, 2019
3 new comments Open #57214 [do not merge] Measure performance impact of local interners Apr 1, 2019
3 new comments Open #58457 Associate an allocator to boxes Apr 3, 2019
3 new comments Open #58974 std: implement `Error` for `Box<dyn Error>` Apr 2, 2019
3 new comments Open #59033 Fix duplicated bounds printing in rustdoc Apr 1, 2019
3 new comments Open #59114 Enable NLL migrate mode on the 2015 edition Apr 1, 2019
3 new comments Open #59148 add support for unchecked math Apr 4, 2019
3 new comments Open #59349 Update pulldown-cmark version Apr 1, 2019
3 new comments Open #59369 `unwrap_usize` should at least try to evaluate the underlying constant Apr 2, 2019
3 new comments Open #59484 [WIP] ELLIPSIS_INCLUSIVE_RANGE_PATTERNS -> Deny Apr 4, 2019
2 new comments Open #46002 incr.comp.: x.py --incremental can cause too big cache directories Mar 29, 2019
2 new comments Open #59475 Bors cheat sheet link dead in CONTRIBUTING.md Mar 29, 2019
2 new comments Open #56604 Coercing &mut to *const should not create a shared reference Mar 29, 2019
2 new comments Open #33417 Tracking issue for TryFrom/TryInto traits Mar 30, 2019
2 new comments Open #57443 Update dependency versions in the various `Cargo.toml`s to the version that we actually use Mar 30, 2019
2 new comments Open #56132 Permit `-> _` return types for improved diagnostics Apr 1, 2019
2 new comments Open #53631 Remove -Z time-passes and error with "-Z self-profile should be used instead". Apr 1, 2019
2 new comments Open #57431 `&mut &T` coerced to `&T` suggests `&mut mut x` Apr 3, 2019
2 new comments Open #40230 Document differences between std::process::abort and std::intrinsics::abort Apr 3, 2019
2 new comments Open #58548 rustc 1.32.0 produces faulty wasm code Apr 4, 2019
2 new comments Open #46989 Function pointer docs may need updating Apr 4, 2019
2 new comments Open #46525 match arm bindings have weird lifetimes Apr 4, 2019
2 new comments Open #29722 Tracking issue for `asm` (inline assembly) Apr 4, 2019
2 new comments Open #40062 Tracking issue for Vec::remove_item Apr 4, 2019
2 new comments Open #32838 Allocator traits and std::heap Apr 4, 2019
2 new comments Open #54733 Stabilize rustdoc theme options Mar 30, 2019
2 new comments Open #56359 Stabilise disable minification Apr 1, 2019
2 new comments Open #57150 [WIP] Move pointee_info_at to TyLayoutMethods. Apr 2, 2019
2 new comments Open #57428 Implementation of RFC 2289 (associated_type_bounds) Mar 31, 2019
2 new comments Open #57545 Object safe for dispatch Apr 2, 2019
2 new comments Open #58783 Add debug assertions to write_bytes and copy* Mar 30, 2019
2 new comments Open #58819 [WIP] Place unroll -> iterate refactor Apr 2, 2019
2 new comments Open #58917 Remove intra-docs check for items from dependencies Mar 30, 2019
2 new comments Open #58934 [DO NOT MERGE] Use google cloud storage to cache docker images Mar 30, 2019
2 new comments Open #59008 Add const generics to infer (and transitive dependencies) Mar 30, 2019
2 new comments Open #59042 HirIdification: rework Map Mar 31, 2019
2 new comments Open #59155 Add element-wise atomic memory operations Apr 5, 2019
2 new comments Open #59338 Turn parsing into a query Apr 4, 2019
2 new comments Open #59348 Clean up and add tests for slice drop shims Mar 30, 2019
2 new comments Open #59402 Allow hidden lifetimes in `impl Trait`, take 2 Apr 4, 2019
2 new comments Open #59404 Make ongoing_codegen a query Apr 4, 2019
2 new comments Open #59482 [WIP] BARE_TRAIT_OBJECTS -> Deny Apr 4, 2019
2 new comments Open #59485 [WIP] ELIDED_LIFETIMES_IN_PATHS -> Deny Apr 4, 2019
2 new comments Open #59497 [WIP] Fix compiler incorrectly rejecting Drop impls where parent struct uses HRTB Apr 1, 2019
1 new comment Open #51929 [tracking issue] const fn std::mem::needs_drop Mar 29, 2019
1 new comment Open #56590 Spurious attempt to load a crate resulting in "multiple rlib candidates for `debug_unreachable` found". Mar 29, 2019
1 new comment Open #59040 Rust ppc64 requires AltiVec, which is not available on PowerPC e5500 Mar 29, 2019
1 new comment Open #57854 error[E0275]: "overflow evaluating the requirement" triggered by importing a path of length 2 Mar 29, 2019
1 new comment Open #52362 error: linker `rust-lld` not found Mar 29, 2019
1 new comment Open #29642 Tracking issue for `custom_attribute` features Mar 29, 2019
1 new comment Open #57742 Tracking issue for `duplicate_matcher_binding_names` compatibility lint Mar 29, 2019
1 new comment Open #59375 Insufficient inlining of PartialEq::eq Mar 29, 2019
1 new comment Open #55499 ICE with async function: 'leak-check would have us replace ReStatic with BrAnon(1)' Mar 29, 2019
1 new comment Open #48049 tracking issue for "chalkification" Mar 29, 2019
1 new comment Open #58520 Tracking issue for error source iterators Mar 29, 2019
1 new comment Open #42774 Tracking issue for custom allocators in standard collections Mar 29, 2019
1 new comment Open #27336 Tracking Issue for RFC 213: Default Type Parameter Fallback Mar 29, 2019
1 new comment Open #59407 Cannot implement trait on type alias involving another trait's associated type Mar 29, 2019
1 new comment Open #47680 The mutable borrow is released when matching on a Option<&mut Self> in a function, but not when the function is inlined Mar 29, 2019
1 new comment Open #58374 Consider aggregate types containing unconstructable types to also be unconstructable Mar 30, 2019
1 new comment Open #55115 Documentation of std::mem::size_of confusingly only details the `#[repr(C)]` case Mar 30, 2019
1 new comment Open #55165 add a section to the Rustdoc Book about the in-doc settings Mar 30, 2019
1 new comment Open #44109 Tracking issue for RFC 2008: Future-proofing enums/structs with #[non_exhaustive] attribute Mar 30, 2019
1 new comment Open #56254 [NLL] prohibit "two-phase borrows" with existing borrows? Mar 30, 2019
1 new comment Open #59308 Linking with `cc` failed Mar 31, 2019
1 new comment Open #42645 Avoid shipping duplicate artifacts Mar 31, 2019
1 new comment Open #48649 impl Copy for Range<Idx> where Idx: Copy? Mar 31, 2019
1 new comment Open #59233 Contribution guide does not mention our "no merge commits" policy Mar 31, 2019
1 new comment Open #37508 Error with -C code-model=large and thread locals Apr 1, 2019
1 new comment Open #48926 discussion/tracking issue for `#[must_use]` functions in the standard library Apr 1, 2019
1 new comment Open #43244 Tracking issue for Vec::drain_filter and LinkedList::drain_filter Apr 1, 2019
1 new comment Open #59224 `thread 'rustc' panicked at 'src/librustc/session/mod.rs:809` with clean `cargo new` project Apr 1, 2019
1 new comment Open #55300 Feature Request: analog of C++'s std::nth_element for rust slices. Apr 2, 2019
1 new comment Open #55614 Hardcoded 128 backlog in TCPListener Apr 2, 2019
1 new comment Open #45403 error: failed to run custom build command for `style v0.0.1` Apr 2, 2019
1 new comment Open #50264 Tracking issue for Option::deref, Result::deref, Result::deref_ok, and Result::deref_err Apr 2, 2019
1 new comment Open #56471 document overflow behaviour for integer parse Apr 2, 2019
1 new comment Open #32626 Document minimum precision guarantees for the various std::time APIs Apr 2, 2019
1 new comment Open #59123 Generator size: unwinding and drops force extra generator state allocation Apr 2, 2019
1 new comment Open #54365 use-of-uninitialized-value with String usage Apr 2, 2019
1 new comment Open #25003 Cannot macro_use a macro that uses an internal macro Apr 2, 2019
1 new comment Open #57037 Buld for target powerpc-unknown-netbsd fails in new way in 1.31.1 Apr 2, 2019
1 new comment Open #47048 under latest MinGW, cannot link with C code using stdout Apr 3, 2019
1 new comment Open #41219 std::io::Write::write should have an additional example where it handles EINTR Apr 3, 2019
1 new comment Open #57642 NLL accepts higher-ranked subtype that non-NLL rejects Apr 3, 2019
1 new comment Open #37939 Reduced performance when using question mark operator instead of `try!` Apr 3, 2019
1 new comment Open #31343 Tracking issue for std::io::set_panic and set_print Apr 3, 2019
1 new comment Open #53287 Trademark restrictions? Apr 3, 2019
1 new comment Open #56431 Tracking issue for `shrink_to` feature Apr 3, 2019
1 new comment Open #27783 Tracking issue for location of facade crates Apr 3, 2019
1 new comment Open #58907 "Cargo test" uses a thread pool in 1.33.0 Apr 3, 2019
1 new comment Open #39915 Linking with LLD Apr 3, 2019
1 new comment Open #58402 Tracking issue for 'checked_duration_since' feature Apr 3, 2019
1 new comment Open #51385 Make ./x.py errors more machine-grep-able Apr 3, 2019
1 new comment Open #58951 ICE with `#![feature(existential_type)]` + closure Apr 3, 2019
1 new comment Open #7463 Get to LLVM-lint-clean Apr 4, 2019
1 new comment Open #59494 Compiler panic with generic-typed nested closures Apr 4, 2019
1 new comment Open #59469 Wrapping simd call results in compiler panic (nightly) Apr 4, 2019
1 new comment Open #59137 Specific code layout can cause compiler panic with lto=true Apr 4, 2019
1 new comment Open #58840 Rustc 1.33 stable panicked on a closure inside a closure Apr 4, 2019
1 new comment Open #58694 compiler error: lifetimes in associated types leading to a compiler error. Apr 4, 2019
1 new comment Open #47976 Collections documentation could mention performance of BinaryHeap impl Apr 4, 2019
1 new comment Open #42166 Document why std::process::Child methods return Results Apr 4, 2019
1 new comment Open #56546 rustdoc: some trait methods appear as "hidden undocumented items" Apr 4, 2019
1 new comment Open #26085 Closures should always implement the all applicable Fn* traits. Apr 4, 2019
1 new comment Open #56140 [std] clarify ffi C string nul term & length discussion Mar 30, 2019
1 new comment Open #56278 Future-proof MIR for dedicated debuginfo. Apr 1, 2019
1 new comment Open #57173 Allocate HIR on an arena Apr 2, 2019
1 new comment Open #57967 Introduce Rust symbol mangling scheme. Apr 1, 2019
1 new comment Open #58070 WIP: Add lint for missing Clone impls Mar 30, 2019
1 new comment Open #58327 Experimentally add `ffi_const` and `ffi_pure` extern fn attributes Mar 30, 2019
1 new comment Open #58333 Lift TypeFoldable over Result and remove the Relate hack in combine/nll Mar 30, 2019
1 new comment Open #58351 Refactor interning to properly mark memory as mutable or immutable Mar 30, 2019
1 new comment Open #58596 Fix links in String deref docs for str::escape methods Mar 30, 2019
1 new comment Open #58603 Add version switcher Mar 30, 2019
1 new comment Open #59111 Improved error message when type must be bound due to generator. Apr 1, 2019
1 new comment Open #59174 [TEST] Make crate_variances a regular query Mar 30, 2019
1 new comment Open #59205 Turn HIR lowering into a query Apr 4, 2019
1 new comment Open #59211 Introduce RefCell::try_borrow_unguarded Mar 31, 2019
1 new comment Open #59282 Turn macro expansion and name resolution into a query Apr 4, 2019
1 new comment Open #59312 [Step 2] Implement "small substs optimization" for substs of length 1 Mar 30, 2019
1 new comment Open #59395 WIP: parse swapped pub and async Apr 3, 2019
0 new comments Open #59159 Tracking issue for `mutable_borrow_reservation_conflict` compatibility lint Mar 29, 2019
0 new comments Open #56375 Regression: : cannot determine resolution for the attribute macro `test` Mar 29, 2019
0 new comments Open #52387 #![warn(trivial_numeric_casts)] stays cached when commenting out or uncommenting Mar 29, 2019
0 new comments Open #55500 Incremental compiliation is ineffective when building compiler Mar 29, 2019
0 new comments Open #45009 tracking issue for `rustc_dirty/clean` enhancements Mar 29, 2019
0 new comments Open #46744 Panic compiling `multiplex-rs` Mar 29, 2019
0 new comments Open #49901 one_time_diagnostics and --teach doesn't work with incremental compilation Mar 29, 2019
0 new comments Open #48594 Tracking issue for RFC 2046, label-break-value Mar 29, 2019
0 new comments Open #58188 Adding comment to function causes "overflow evaluating the requirement" Mar 29, 2019
0 new comments Open #57373 Recursive type with infinite size leads to internal compiler error (try_mark_green() - Forcing the DepNode should have set its color) Mar 29, 2019
0 new comments Open #56629 error[E0275]: overflow evaluating the requirement only with incremental build involved Mar 29, 2019
0 new comments Open #56458 Compiler panics when trying to run unit tests: error: incremental compilation: could not create session directory lock file: Permission denied (os error 13) Mar 29, 2019
0 new comments Open #56347 Unexpected discriminant value collision Mar 29, 2019
0 new comments Open #55931 Linker: "file not recognized: File truncated" Mar 29, 2019
0 new comments Open #55733 os error 45 on macOS 10.13.4 Mar 29, 2019
0 new comments Open #55234 impl_trait_in_bindings incremental compilation ICE Mar 29, 2019
0 new comments Open #52125 Optimize incremental compilation of data-only changes Mar 29, 2019
0 new comments Open #52365 Dropping unused and unreferenced external crate should not trigger recompile Mar 29, 2019
0 new comments Open #43408 Array lengths don't support generic parameters. Mar 30, 2019
0 new comments Open #43759 doc does not correctly display macro match arms if they are created inside of a proc macro Mar 30, 2019
0 new comments Open #51003 rewrite `liveness` analysis to be based on MIR Mar 30, 2019
0 new comments Open #59287 rustdoc search should ensure it shows exact matches Mar 30, 2019
0 new comments Open #45683 Lint for undesirable, implicit copies Apr 1, 2019
0 new comments Open #53249 async/await assertion failed: !value.has_escaping_regions() Apr 2, 2019
0 new comments Open #55317 crossbeam_epoch::pin perf regression Apr 3, 2019
0 new comments Open #43234 non-lexical lifetimes (NLL) tracking issue Apr 3, 2019
0 new comments Open #48478 Tracking issue for moving to rustc-guide Apr 3, 2019
0 new comments Open #57464 Nightly rustc crashes with "unexpected region in query response" Apr 4, 2019
0 new comments Open #56595 Add clippy and fix commands to x.py Apr 1, 2019
0 new comments Open #58972 rustdoc: don't process `Crate::external_traits` when collecting intra-doc links Mar 30, 2019
0 new comments Open #59002 Stabilize Ident::new_raw Mar 29, 2019
0 new comments Open #59331 Refactor `TypeVariableOrigin` Mar 30, 2019
0 new comments Open #59400 Don't generate minification variables if not needed Apr 1, 2019

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