this derivation will be built:
  /nix/store/19w66ffh5cxzjd5i1049kc62cwl9r9s7-run-sigma-vm-on-aarch64-linux.drv
building '/nix/store/19w66ffh5cxzjd5i1049kc62cwl9r9s7-run-sigma-vm-on-aarch64-linux.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/19w66ffh5cxzjd5i1049kc62cwl9r9s7-run-sigma-vm-on-aarch64-linux.drv'
run-sigma-vm-on-aarch64-linux> structuredAttrs is enabled

upload niks3: ok