these 3 derivations will be built:
  /nix/store/6dxhnisnxg1aknnks9c3c61k5dddlin5-iets-fuzz-diff-0.0.0.drv
  /nix/store/y83v2cykb35fqjdg1rbg3gnm9zkyxv1b-iets-fuzzers-0.0.0.drv
  /nix/store/5qfj5hlxic61y77195dzk30w9plmj6v3-iets-fuzz-drv-check.drv