these 3 derivations will be built:
  /nix/store/9iawnp6iavidgmqfdxn79kx50z0ylkxq-iets-fuzzers-0.0.0.drv
  /nix/store/x2pvb3manfr54y5i7w8dg7x04fd5f3y8-iets-fuzz-diff-0.0.0.drv
  /nix/store/aqdjqj1zpkl7n5rwdr11y7nc9q3idrp1-iets-fuzz-parse-check.drv