Make more reads of environment variables go through the `Config`#11754

Merged

bors merged 2 commits intorust-lang:masterfrom kylematsuda:more-config-env

Feb 22, 2023

+15-7

Commits on Feb 21, 2023

remove env::var from LocalFingerprint::find_stale_item
kylematsuda
committed

Commits on Feb 22, 2023

remove env::var from util::rustc::rustc_fingerprint
kylematsuda
committed