these 3 derivations will be built:
  /nix/store/k7gf39fbcq84iag9bdnk8wgg3rspvbsm-source.drv
  /nix/store/zazz12xcbxl5lv9zcbi6azhgh5rs8agl-agentty-0.9.11.drv
  /nix/store/sgbx3swjd8zl6jifq6dmb61600isb49w-check-agentty.drv