these 4 derivations will be built:
  /nix/store/6izr99r3r40rlghh3wca62hlad0rkmgh-clan-cli-source.drv
  /nix/store/kykqvjldkfvkwii296xfhrcyywlmapy6-clan-cli.drv
  /nix/store/mwxpspzv0z509ky9pq49qswy0607v55g-tofu.drv
  /nix/store/3asfxymrl474h40xaqcbxld9kblarxlk-cache-new.drv