this derivation will be built:
  /nix/store/4zfik3qk0f74cbpbppa7qxba7yzh9cmn-treefmt.toml.drv
building '/nix/store/4zfik3qk0f74cbpbppa7qxba7yzh9cmn-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled

upload niks3: ok