these 3 derivations will be built:
  /nix/store/c8kchzi0vl2bifz8q8ijzjc5j3pcmg4q-iets-fuzz-diff-0.0.0.drv
  /nix/store/a81njvqac6sg21rfngr0ffl7wgxr11yp-iets-conformance-adapter.drv
  /nix/store/gj6md2j4zrliw1zwxydhbsy25lk9q874-nix-conformance-iets.drv