these 4 derivations will be built:
  /nix/store/bsm7qbd3xddsplpbbgqvxvb4mws0rs0v-clan-cli-source.drv
  /nix/store/slissk9kv9vn7zk56zwwg6knh4q0fdg4-clan-cli.drv
  /nix/store/cl4nbkpv3gv85lzz0i1sgmcnl3xsd1lz-tofu.drv
  /nix/store/mq8jzbnz81imhbcwqw6crbl88bpsxh5j-cache-new.drv