these 4 derivations will be built:
  /nix/store/aqb9p2kwh0qazklhmn7g2299bspjmlsc-clan-cli-source.drv
  /nix/store/7cplwb3vvrmiw7nm3rkalmsi5wlw6mlf-clan-cli.drv
  /nix/store/vvzwv9zfq26s1nswsa9wpyajija362y1-tofu.drv
  /nix/store/h3k9r385mraxn2ksaz2kzrxyqq89pqdi-dns.drv