these 2 derivations will be built:
  /nix/store/yr0jg7hg0nbn19dlmvb81w0lynbf0fs0-nix-grpc-store-0.1.0.drv
  /nix/store/0n3am07073z5di8zwviybynjn502zyv6-nix-grpc-store-exit-stress.drv