these 3 derivations will be built:
  /nix/store/a2xc8qv9slvkva1qxp7mr6hzydlxmvsd-clan-cli-source.drv
  /nix/store/mdv68qfx5yycyrr6a0ajrsshfxyq29p2-clan-cli.drv
  /nix/store/imlr71846w0ba04xx889mx0jb0kdjdli-nix-shell.drv