these 2 derivations will be built:
  /nix/store/zw1gb9whh8mrg9pp3w5n3ga6cwav865s-nix-grpc-store-0.2.0.drv
  /nix/store/0bhg23xgs66jfmgj8n7s4yc0fwl1zhx4-nix-grpc-store-exit-stress.drv