these 2 derivations will be built:
  /nix/store/z29f653q88qawkjm188m1r47va2lch67-iets-fuzzers-0.0.0.drv
  /nix/store/yj8jxh075ld5ak5p1fyk4zdinf1b4kc7-iets-fuzz-parse-check.drv