these 3 derivations will be built:
  /nix/store/f9aj4nynmxff3cjq0x8kmd9gx55kpcyq-iets-fuzz-diff-0.0.0.drv
  /nix/store/zivd71wikpr4i4lsiw66rc3v9jpc3pm2-iets-fuzzers-0.0.0.drv
  /nix/store/yxxjxc7wb0xw79gwmdsplibd2gw3q4l3-iets-fuzz-drv-check.drv