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/kqf5yp7hq6k78lz37p1j2w31nq80ii5p-iets-fuzz-drv-check.drv