these 4 derivations will be built:
  /nix/store/z34s9cj04lrxslwfl8d0np48m1x6a6vy-clan-cli-source.drv
  /nix/store/jl2n7gfmahwlcsm8pa2icp6dymbc8v01-clan-cli.drv
  /nix/store/fzcnzgfs9f7wsvmwsrfynb93wldpc53s-tofu.drv
  /nix/store/xay6v5jz4mpd4v61hrk6csppwa03h0y0-dns.drv