this derivation will be built:
  /nix/store/1hslm8g073v14d52wxx8kd498sp660s1-opentofu-external-key-provider.drv
building '/nix/store/1hslm8g073v14d52wxx8kd498sp660s1-opentofu-external-key-provider.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/1hslm8g073v14d52wxx8kd498sp660s1-opentofu-external-key-provider.drv'
opentofu-external-key-provider> structuredAttrs is enabled

upload niks3: ok