these 4 derivations will be built:
  /nix/store/3yqc2gsq89kiybbfgiga6q7yg2z7pzbp-source.drv
  /nix/store/h4fibspbq3zdcpv2kb06wj7xc8g3yn1b-picoclaw-0.5.1-go-modules.drv
  /nix/store/9fdkyzkmkx58zlsn51xlzrgnjii46115-picoclaw-0.5.1.drv
  /nix/store/pgikhc121i9iimgk63lwbaw5qyf9n5pn-check-picoclaw.drv