these 4 derivations will be built:
  /nix/store/bhw7pxdd9fhdzasn28flsa2fffkmki19-test-script.drv
  /nix/store/ah0bs9x8cw1j94qx9ri0l4rrdcy1msy3-driverConfiguration.json.drv
  /nix/store/8afsr549yjs6w15pqvq4k8jgs9h2843x-nixos-test-driver-nix-grpc-store-acme-substituter.drv
  /nix/store/m0n2i3g8c1qwfzsky76lyg9kpq9ycqng-vm-test-run-nix-grpc-store-acme-substituter.drv