these 6 derivations will be built:
  /nix/store/gfa8z1kha30461jq5sg6rhlaywzc5ksd-cargo-package-zeroize-1.9.1.drv
  /nix/store/c6w6z0hk3jsspfjwd091qgss4nc4xwvl-vendor-registry.drv
  /nix/store/6da78xzv065hg51x5inzc8f02cbj9928-vendor-cargo-deps.drv
  /nix/store/4ykgz1af6b5a90707hn1fvyyz73chp5f-source.drv
  /nix/store/6vwa7pidbh3v7kwdcqyxkq3cwzcbw3aj-harmonia-deps-3.3.0.drv
  /nix/store/0w6zhkn02i2yfblkmpic3nbzkp96fbjy-harmonia-llvm-cov-3.3.0.drv