these 4 derivations will be built:
  /nix/store/2n45p1ygxisbwnidf876cp3gyl06g8k6-iets-0.1.0.drv
  /nix/store/ymxm1f6l0nx7kpvdj8x4lcv1jqzmlwm5-iets-fuzz-diff-0.0.0.drv
  /nix/store/ybv0kqpg0rjylpdh207dk6c0l17fy1hj-iets-conformance-adapter.drv
  /nix/store/vpp5sbbn5r0akqf2ak4a4cygcrzydpq5-nix-conformance-iets.drv