Move locking from bootstrap.py to rust bootstrap, using fd-lock#98373

Merged

bors merged 2 commits intorust-lang:masterfrom joshtriplett:bootstrap-locking

Jul 3, 2022

+123-45

Commits on Jun 27, 2022

Export t! from the bootstrap lib so bins can use it
joshtriplett
committed
Move locking from bootstrap.py to rust bootstrap, using fd-lock
joshtriplett
committed