these 3 derivations will be built:
  /nix/store/k9iqfxac139y8bki9qa7qygbcml23y2c-treefmt.toml.drv
  /nix/store/af0wliql68dfz6d46iwvqfpzxphsdvaq-examples.drv
  /nix/store/cd6a8z5dig5r8k0cvwaf202130pnx9xg-test-examples.drv
building '/nix/store/k9iqfxac139y8bki9qa7qygbcml23y2c-treefmt.toml.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/k9iqfxac139y8bki9qa7qygbcml23y2c-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/af0wliql68dfz6d46iwvqfpzxphsdvaq-examples.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/af0wliql68dfz6d46iwvqfpzxphsdvaq-examples.drv'
building '/nix/store/cd6a8z5dig5r8k0cvwaf202130pnx9xg-test-examples.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/cd6a8z5dig5r8k0cvwaf202130pnx9xg-test-examples.drv'

upload niks3: ok