these 5 derivations will be built:
  /nix/store/x21sg5hljrjq51n51d68rqcgs1787xgv-closure-info.drv
  /nix/store/3qs2x3mshpc471yz617lbs5qvyx5q3ay-test-script.drv
  /nix/store/rg8j2fci3vgpv0x2wgd0vmcslmrkcqhc-driverConfiguration.json.drv
  /nix/store/8i3gjriwr6z08741l27vy06b60hr1l5z-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/hiba2m5p9hjczcdr49g2zl8xb3ajmmcw-container-test-run-iets-grpc-e2e.drv