these 3 derivations will be built:
  /nix/store/9f8wlkrwlv17cbfbhkf70yajs2s3s8rf-iets-fuzzers-0.0.0.drv
  /nix/store/vw71jrapxglvbg1rissyklgxh528pavd-iets-fuzz-diff-0.0.0.drv
  /nix/store/bvfvi65bs7gi0a0sjlpl78iipn6aalk3-iets-fuzz-parse-check.drv