these 2 derivations will be built:
  /nix/store/c1g8803aqmnab7qhrg7bp81qhmja3wkv-iets-fuzzers-0.0.0.drv
  /nix/store/y81niv3gja1pl04i91xx84bp6zvprk6d-iets-fuzz-drv-eval-check.drv