these 4 derivations will be built:
  /nix/store/jyf5vr7pivwa18x1qk31qc3c50fbcmwi-clan-cli-source.drv
  /nix/store/kyfdsqkvp5v84wi5x5ljl4kmimlfvvg4-clan-cli.drv
  /nix/store/rccs61vcrw832jnn12s2p3gr1mnwpfwx-tofu.drv
  /nix/store/zcsipjwdwgk70zkbb37s672905ahwjmc-cache-new.drv