these 3 derivations will be built:
  /nix/store/2i51glb3f8pvsnjqz3nfq5pbyzp93db8-iets-fuzz-diff-0.0.0.drv
  /nix/store/bgcj35pylavbsynslqbm22y5anr3w42a-iets-fuzzers-0.0.0.drv
  /nix/store/233l54dkavd8s146326gi9ildhz2dfj0-iets-fuzz-parse-check.drv