these 2 derivations will be built:
  /nix/store/9325rbd7c4mgmfwwc28anqm53qfd0f5p-iets-fuzzers-0.0.0.drv
  /nix/store/5ldwi7ss6b0yymca6pb5zfavydvpgplb-iets-fuzz-parse-check.drv