these 3 derivations will be built:
  /nix/store/c3iyv9jw7wlll5fdrajny8aww9l50a0b-driverConfiguration.json.drv
  /nix/store/wl4vpkg0cicy8p6sr03y5mvlp6v7wwkz-nixos-test-driver-nix-grpc-store.drv
  /nix/store/743v02i04bsqb8v99r7kbhgqcs095llg-vm-test-run-nix-grpc-store.drv