these 2 derivations will be built:
  /nix/store/jvbdkf3hj0lj02szq66amzcsdkw2ngdq-iets-fuzzers-0.0.0.drv
  /nix/store/55wx1h27l6h38cnfq8zwl7iasmyfrpwf-iets-fuzz-parse-check.drv