Top rust issues

[NLL] E0389 error message uses the term `immutable item` inappropriately

A-diagnostics E-mentor NLL-diagnostics T-compiler

NLL should identify and respect the lifetime annotations that the user wrote

A-NLL C-enhancement E-hard NLL-sound T-compiler metabug

Cannot use associated type as type of associated const

A-associated-items A-diagnostics A-suggestion-diagnostics C-enhancement D-papercut P-low T-compiler

Big performance problem with closed intervals looping

C-enhancement I-slow T-compiler

Compiling with -Z sanitizer=address aborts

A-LLVM A-codegen C-bug

Documentation for new stable features can be hard to find (e.g. for associated const)

C-enhancement P-low T-doc

Using Error well: .description() vs Display

C-feature-request P-medium T-doc

Tracking issue for HashMap `OccupiedEntry::{replace_key, replace_entry}`

A-collections B-unstable C-tracking-issue Libs-Small Libs-Tracked T-libs

impl-trait return type is bounded by all input type parameters, even when unnecessary

A-impl-trait A-lifetimes C-bug T-compiler

Improve case with one named, one anonymous lifetime parameter - SubSupConflict Errors

A-diagnostics C-enhancement E-needs-mentor WG-compiler-errors