these 2 derivations will be built:
  /nix/store/z09dqr7scwhkjwafpqmrz06d8g72jddb-iets-fuzzers-0.0.0.drv
  /nix/store/znrchgrxciw4xz49ngv8amkzwxqx7apj-iets-fuzz-eval-check.drv