these 5 derivations will be built:
  /nix/store/49rpjrys2v9l3n8j03z14x11qfrvacyd-nix-grpc-e2e.drv
  /nix/store/hs1xyd49z1kayys4r13yyzpz25vl3fdw-test-script.drv
  /nix/store/xfw1zaw7rizgz0hvp60cida2iwrlkf3s-driverConfiguration.json.drv
  /nix/store/afhckvyradrddhmwkya3f8kmb6waa56r-nixos-test-driver-nix-grpc-store-acme-substituter.drv
  /nix/store/61a7xcyj5qs7qkprdr6wq6gpf8lbbjbr-vm-test-run-nix-grpc-store-acme-substituter.drv