these 3 derivations will be built:
  /nix/store/hjpkqzhmzcj01adb648fnj46dr25b2g3-iets-fuzz-diff-0.0.0.drv
  /nix/store/yasi5407dbwffi2dhvf2ambmhzxgrrix-iets-fuzzers-0.0.0.drv
  /nix/store/2563gd0z1d37zhfv2yfllhjaxfgyxg7s-iets-fuzz-eval-check.drv