these 5 derivations will be built:
  /nix/store/c9sqmam2wz8m3n20ggnzrh040jr72dpl-nix-grpc-e2e.drv
  /nix/store/vi4hy1iy6hajs7wjyxi78d432z224vq4-test-script.drv
  /nix/store/6g9i15xnqfy4ss6f9f7shqkn72jslwmp-driverConfiguration.json.drv
  /nix/store/f0sjax1rmi92lpp057k5qlxggcb92cfj-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/f6b5sxqi6l6h9vfss5l05pskm9vf9697-vm-test-run-nix-grpc-store-main.drv