this derivation will be built:
  /nix/store/cvkfp4ggkqhbh7h2d6ac975rszvann71-treefmt.toml.drv
building '/nix/store/cvkfp4ggkqhbh7h2d6ac975rszvann71-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled

upload niks3: ok