these 4 derivations will be built:
  /nix/store/kvqc5m7fmhrlr1g63nnvf0flh6h3abyb-clan-cli-source.drv
  /nix/store/6agqymq60533wabpq6xjiq6fnk57aq0n-clan-cli.drv
  /nix/store/i7qhdxg6nfsj4rcvr4jgb9wlh9ihqy2g-tofu.drv
  /nix/store/wxdz84j9fizkfn73kq2gy9sas7qxci65-dns.drv