these 3 derivations will be built:
  /nix/store/15agjxnd53lb0fsdw3c6crg8a327r38c-iets-fuzzers-0.0.0.drv
  /nix/store/6x69lxx3h3zbfzz9p4jp4yp2lnkcz0lm-iets-fuzz-diff-0.0.0.drv
  /nix/store/knqwlkx6yp4465h526gbjfz7r387p0k8-iets-fuzz-eval-check.drv