Rollup of 7 pull requests#92482

Merged

bors merged 19 commits intorust-lang:masterfrom

matthiaskrgr:rollup-uso1zi0

Jan 2, 2022

Commits on Apr 11, 2021

Clarify the guarantees that ThreadId does and doesn't make.
ltratt
committed

Commits on Dec 11, 2021

Remove unnecessary bounds for some Hash{Map,Set} methods
upsuper
committed

Commits on Dec 25, 2021

Language tweak.
ltratt
committed

Commits on Dec 31, 2021

Remove pronunciation guide from Vec<T>
thomcc
committed

Commits on Jan 1, 2022