these 2 derivations will be built:
  /nix/store/3glhyjkp6myv5jm7z9afby5ls48kz6cg-nix-grpc-store-0.2.3.drv
  /nix/store/0x10j8hy85w3my4wglhh64bbrwab0nzh-nix-grpc-store-exit-stress.drv