these 4 derivations will be built:
  /nix/store/v94v8f1s2difdpwgrsz93xz8bl8ids71-clan-cli-source.drv
  /nix/store/nwzb120270v58iabmlp42ja451lj6fnv-clan-cli.drv
  /nix/store/n75rm72204rbyd9hk0zdlfx77gkz98dz-tofu.drv
  /nix/store/nla99g1w4c2xm4pr39p2qhdhzznsyyqa-dns.drv