Top rust issues

Tracking issue for calling standard library `const fn`s

B-unstable C-tracking-issue T-libs final-comment-period

Rustc keeps suggesting std::iter::ZipImpl trait who has a "new" method.

A-diagnostics C-bug

Error message should be improved for associated consts in array lengths

A-diagnostics C-enhancement T-compiler

Change in behavior of `include!` in doctests on nightly

C-bug P-high T-compiler T-lang T-rustdoc regression-from-stable-to-beta

The new step_by is too much slow

C-enhancement I-slow T-libs

incr.comp.: Crate Metadata not corresponding to a DefId is untracked.

A-incr-comp C-enhancement E-medium E-mentor

rustc puts zero-initalized structs in .data instead of .bss if they contain padding

A-LLVM A-codegen C-enhancement I-slow

Tracking issue for `:vis` macro matcher

B-unstable C-tracking-issue E-easy E-mentor T-lang disposition-merge finished-final-comment-period

Documet `let _ = ...` behavior saliently, or even warn about it

T-doc

the trait `core::ops::Add<()>` is not implemented for `i32`

A-diagnostics