Rollup of 8 pull requests#106588

Merged

bors merged 18 commits intorust-lang:masterfrom

JohnTitor:rollup-4z80tjx

Jan 8, 2023

Commits on Oct 16, 2022

Stabilize `main_separator_str`
SUPERCILEX
committed

Commits on Jan 4, 2023

adjust comments about pre-push.sh hook
kadiwa4
committed

Commits on Jan 5, 2023

Explain error with `&mut self` for unsized trait impls
clubby789
committed

Commits on Jan 6, 2023

jsondoclint: Check local items in `paths` are also in `index`.
aDotInTheVoid
committed

Commits on Jan 7, 2023

Commits on Jan 8, 2023