these 4 derivations will be built:
  /nix/store/9i0ph9hd7kxnx48ypk2sb13p04h48c8y-clan-runtime.drv
  /nix/store/kgxg1gab5m6aii7rwslkrr0pn4g4qla4-clan-cli-source.drv
  /nix/store/nyjmrd0xiz2gi6i38vvlfs4d6dbrkgjz-clan-cli.drv
  /nix/store/g73cj8a0yi6sh5bgxpgg18n2s3vyak8z-nix-shell.drv