this derivation will be built:
  /nix/store/6nn6hsj24117msl46nxq6i6ihk35g69p-run-sigma-vm-on-aarch64-linux.drv
building '/nix/store/6nn6hsj24117msl46nxq6i6ihk35g69p-run-sigma-vm-on-aarch64-linux.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/6nn6hsj24117msl46nxq6i6ihk35g69p-run-sigma-vm-on-aarch64-linux.drv'
run-sigma-vm-on-aarch64-linux> structuredAttrs is enabled

upload niks3: ok