these 3 derivations will be built:
  /nix/store/6nk8apb7mzwmjd0dz043dabafd0kdz5a-source.drv
  /nix/store/cv2wkgdyqy00s6da8wh6hgmhs75wk7fk-agentty-0.9.32.drv
  /nix/store/lhpz3xb7z3ypy3l1pa2k1s6dh06aw8hp-check-agentty.drv