these 2 derivations will be built:
  /nix/store/xgkj0shilaq7qwb4nghs6wf2sdrkv92s-iets-fuzzers-0.0.0.drv
  /nix/store/x1y3hdqh9ikj6dcj571gs28c4hi8hjhz-iets-fuzz-drv-check.drv