these 4 derivations will be built:
  /nix/store/5x70bzg1fh9jfjcf3hmxmwqmhaj942zn-iets-fuzz-diff-0.0.0.drv
  /nix/store/jkm5fqi55nc4cbwfnliy6lsimh5vivqs-iets-0.1.0.drv
  /nix/store/wpgjn4fiicq9r01bka4czwmhmdsvkwpv-iets-conformance-adapter.drv
  /nix/store/yfhz9ywppclf02fxvdxsywy7x0yjk0mn-nix-conformance-iets.drv