these 3 derivations will be built:
  /nix/store/682qzzwn7fs8gcjmi44zf74ydq0qkj9c-iets-fuzz-diff-0.0.0.drv
  /nix/store/yskwbcf5bkcgnknismra8aqg3cczgjds-iets-fuzzers-0.0.0.drv
  /nix/store/m4zzamvz37jpnf6m6zfkwksbdm7gb98k-iets-fuzz-parse-check.drv