this derivation will be built:
  /nix/store/nl4drkm13zd7di3sdpxyw3f1ikgs1rk4-screencast-state.drv
building '/nix/store/nl4drkm13zd7di3sdpxyw3f1ikgs1rk4-screencast-state.drv' on 'ssh-ng://nix-remote-builder@rofl-13.brkn.lol'
building '/nix/store/nl4drkm13zd7di3sdpxyw3f1ikgs1rk4-screencast-state.drv'
screencast-state> structuredAttrs is enabled

upload niks3: ok