these 3 derivations will be built:
  /nix/store/d46pkdw5p9157k96jgzkx4xp1w4xxy5f-iets-fuzz-diff-0.0.0.drv
  /nix/store/qbnmp950asj93b9rby0sc2lwzc6l08dj-iets-fuzzers-0.0.0.drv
  /nix/store/kl7wq8sq8bgzqbhb1ianmm2a916jwwq0-iets-fuzz-drv-check.drv