these 2 derivations will be built:
  /nix/store/hldmqd6wpgs0vf0xa28b7bd6q7kn0wwa-tincd-deps-0.1.0.drv
  /nix/store/gif4j7wygczpz2qp8vamqk45d2fzh73m-tincd-test-0.1.0.drv