these 2 derivations will be built:
  /nix/store/x90ak3dhip77crz4jxgqbjqdjnpgf3gl-nix-grpc-store-0.2.3.drv
  /nix/store/ym7bz7pz4g1n69n9hqx25zllvjlbfywh-nix-grpc-store-exit-stress.drv