these 3 derivations will be built:
  /nix/store/b4bqbr7hmcbrb7f2568hj67cyn265cd9-herdr-0.9.5-vendor.drv
  /nix/store/gsl9micp3sqbxgjpv87xzq0bpz1amcdm-herdr-0.9.5.drv
  /nix/store/fycfhsx5fb9m5f3j3pyihjidahv81hr2-check-herdr.drv