these 3 derivations will be built:
  /nix/store/73szym2pyd7m5gif42sqvgzv7wf34848-treefmt.toml.drv
  /nix/store/pw7k8qqddbvfq5brs3qp4pdq3pywn5ra-treefmt.drv
  /nix/store/ys6dc5zg0s08mrgnzz64bhi7z8xrxpzv-treefmt-check.drv
building '/nix/store/73szym2pyd7m5gif42sqvgzv7wf34848-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/pw7k8qqddbvfq5brs3qp4pdq3pywn5ra-treefmt.drv'
building '/nix/store/ys6dc5zg0s08mrgnzz64bhi7z8xrxpzv-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 22 files
treefmt-check> emitted 10 files for processing
treefmt-check> formatted 10 files (0 changed) in 100ms