these 4 derivations will be built:
  /nix/store/lpr99xr7kzddg8ymlh96pdlqd21sqsrl-clan-runtime.drv
  /nix/store/ddaxl1y4kfbc88vrk6ipw5qlir7vm8d5-clan-cli-source.drv
  /nix/store/5xx4c4whjs0w70qkqcslhh9q6szlryxa-clan-cli.drv
  /nix/store/3nix516m777641j3zs8q3sl9ia0xdhms-nix-shell.drv