these 4 derivations will be built:
  /nix/store/gvyz0zcfgj0wrdyn9pndxx2h56jz6qgm-clan-cli-source.drv
  /nix/store/1a5na81lq5656dgwhfjsnpa6599h6c44-clan-cli.drv
  /nix/store/xhbf0llar5m0bhqn83pxianipp9jhf1n-tofu.drv
  /nix/store/vn5hka48av1cj8cz5grd1rxjgw2s821d-cache-new.drv