these 2 derivations will be built:
  /nix/store/xvhrd39bp0qfxmab9ilaqk3a2iw0lmhd-iets-conformance-adapter.drv
  /nix/store/i7l3cfgmb8awz60bg3lw2n06jcify9lv-nix-conformance-iets.drv