Rollup of 5 pull requests#95133

Merged

bors merged 12 commits intorust-lang:masterfrom

matthiaskrgr:rollup-4q0u804

Mar 20, 2022

Commits on Mar 8, 2022

remove_dir_all: use fallback implementation on Miri
RalfJung
committed

Commits on Mar 9, 2022

docs
RalfJung
committed

Commits on Mar 15, 2022

Commits on Mar 16, 2022

Add Stream alias for AsyncIterator
compiler-errors
committed

Commits on Mar 19, 2022