these 2 derivations will be built:
  /nix/store/fmbc5dilijy7k93k79g2kzs1x14fvalq-nix-grpc-store-0.1.0.drv
  /nix/store/0bfrzph5ygqy9wlfvmj6v49f070q50pj-nix-grpc-store-exit-stress.drv