these 3 derivations will be built:
  /nix/store/h8qv4sq7vs71prbvy3mgh7234qf1ddh5-clan-cli-source.drv
  /nix/store/in4w4g55akibvaavwh3md5q4gliz1m4q-clan-cli.drv
  /nix/store/2x4gzfixpz6b8gh26gnrxrss8s60d1ji-nix-shell.drv