these 3 derivations will be built:
  /nix/store/j513mx66ck1gsr6xryrd8f1lgkn64bfk-source.drv
  /nix/store/6pbi1a39hb4z8756f8hh22xcma9h7g9j-agentty-0.9.39.drv
  /nix/store/ddj6hzr1y5lzhdray6a3j75760ls8fg3-check-agentty.drv