these 3 derivations will be built:
  /nix/store/qbcx49mqzcs7bvpki1ng32a3z2h5yq4i-source.drv
  /nix/store/6rk4a96qzih89qqk1inchhk408s0jqgm-agentty-0.9.8.drv
  /nix/store/4vdsscqarqpfwxl1hm9gmdhn19q81nng-check-agentty.drv