these 3 derivations will be built:
  /nix/store/zhd69jvlaafz3l73gigz631b81qg4hy8-source.drv
  /nix/store/w83qn7npck45ilfghqh87zf2jrr11957-agentty-0.9.22.drv
  /nix/store/dh1c93nr42bpiamn3m5gmh4q78q4yxkh-check-agentty.drv