these 3 derivations will be built:
  /nix/store/yy9371zyja960a6qa9fca84sya2i1xmi-treefmt.toml.drv
  /nix/store/7l1bkjp6snkmihdzr9gg3k7knvpp5s46-examples.drv
  /nix/store/6xpj7aqid6wdg4h3zqpc4kpvmpf7dgm1-test-examples.drv
building '/nix/store/yy9371zyja960a6qa9fca84sya2i1xmi-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/7l1bkjp6snkmihdzr9gg3k7knvpp5s46-examples.drv'
building '/nix/store/6xpj7aqid6wdg4h3zqpc4kpvmpf7dgm1-test-examples.drv'

upload niks3: ok