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/dx2942ifh641zi4f5xf8znp9llgsw4i6-iets-fuzz-drv-check.drv