these 3 derivations will be built:
  /nix/store/6mcas6n3d52sk9hh8iwdzn9h893g3w22-iets-fuzz-diff-0.0.0.drv
  /nix/store/pwd2hwbnpi0mbc11i1vxb35rqmkv30f1-iets-fuzzers-0.0.0.drv
  /nix/store/fklh9rlk2p6rsh1pinww3rvfgxn0nlw2-iets-fuzz-parse-check.drv