these 3 derivations will be built:
  /nix/store/qj3d4xcsmsm24ccwa8kib8nypv7722dz-iets-fuzz-diff-0.0.0.drv
  /nix/store/r78h2azdbll52nvd2wi55hzhg9pflh39-iets-fuzzers-0.0.0.drv
  /nix/store/xj2pzg81ii4an92k31xzl6bv4yndwrki-iets-fuzz-drv-check.drv