these 4 derivations will be built:
  /nix/store/bi8ds85ji2lxr9lr18cd7vyav0q40ncn-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/cnk0p3i21ip36pv1g3n3j7ga756z0365-run-vm-vm.drv
  /nix/store/bbky223j1ag3irlb8gl9zbld6f2gpmpa-driver-configuration.json.drv
  /nix/store/fbsi5428i1dz8hmdg93jqnnx4j99vi6v-test-driver.drv
building '/nix/store/bbky223j1ag3irlb8gl9zbld6f2gpmpa-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/fbsi5428i1dz8hmdg93jqnnx4j99vi6v-test-driver.drv'

upload niks3: ok