these 3 derivations will be built:
  /nix/store/vwd4sfqvghcdmgbqdwg9n73pll18qdpa-clan-cli.drv
  /nix/store/rl0srgiq5vgs9kwv00p30y7wlb99d379-tofu.drv
  /nix/store/r8r6vkq73ch3xhlc392g3v629p8dwzr8-dns.drv