these 3 derivations will be built:
  /nix/store/39swvj2xf0m5hbjd7jzdr9iywjh14zap-iets-fuzzers-0.0.0.drv
  /nix/store/r2hn9wjib2c0yj52rl26m9bfnh0wyahs-iets-fuzz-diff-0.0.0.drv
  /nix/store/3ming3wbm7fzj6n6vpz9wbrdhi9g517k-iets-fuzz-eval-check.drv