these 3 derivations will be built:
  /nix/store/9qb3hq1450gr71l4ba4mvjkvm3bmy13c-iets-fuzzers-0.0.0.drv
  /nix/store/ngah27ykqr9q2mvzz38xkrpmi9gr17pj-iets-fuzz-diff-0.0.0.drv
  /nix/store/6w08gnnb2mna2gwi5kaaw9gsf6ssxmyk-iets-fuzz-drv-eval-check.drv