these 5 derivations will be built:
  /nix/store/c9sqmam2wz8m3n20ggnzrh040jr72dpl-nix-grpc-e2e.drv
  /nix/store/r3c31c0sz9cq752bcxxzlbhsi4jfb6lm-test-script.drv
  /nix/store/lmiq6a55ja6cgqrz8f5zismjcgqby17p-driverConfiguration.json.drv
  /nix/store/rw88vsfkkmsbxdin9k8rcddzy3as5l8b-nixos-test-driver-nix-grpc-store-acme-substituter.drv
  /nix/store/772av5sjc6dnspz52pbindgfnais81di-vm-test-run-nix-grpc-store-acme-substituter.drv