these 4 derivations will be built:
  /nix/store/9p3mk1pvzrpmlg0dggra3qg96jwnb1v9-clan-cli-source.drv
  /nix/store/yjpglz1ykv7h3bfrblkxwrkkgbi75x3s-clan-cli.drv
  /nix/store/pvm7g2vppi6s3hk88anrj3yn8kkazbq5-tofu.drv
  /nix/store/k7wgj8jj4cx4s9afzgv6nqg52fr5agjx-cache-new.drv