these 2 derivations will be built:
  /nix/store/bqqvpsknn3ha5r9hs4yva0c31mljf92s-nix-grpc-store-0.2.3.drv
  /nix/store/px3iwbkgw3ksww5rh076spvj4rp7z5dj-nix-grpc-store-exit-stress.drv