these 3 derivations will be built:
  /nix/store/6anxam2df6qq8vbhd867rps97m9advza-iets-fuzz-diff-0.0.0.drv
  /nix/store/6prlvss8nh06irzsp1gaj6nwqk0ryrxp-iets-fuzzers-0.0.0.drv
  /nix/store/93k8qfjiwip8is7x15yhzwmfbgyb30sp-iets-fuzz-drv-check.drv