these 3 derivations will be built:
  /nix/store/a7anv9jzny9caqlsr31jkvp865rbhw36-iets-fuzzers-0.0.0.drv
  /nix/store/k616x6rhirqmpxxqqp600dbip8yay0pv-iets-fuzz-diff-0.0.0.drv
  /nix/store/vjqsii6h7wbs11gvnh0yirww09zspf3s-iets-fuzz-drv-check.drv