these 3 derivations will be built:
  /nix/store/pa8aa1n41q61bkjs3wz2rhjm4az6449x-treefmt.toml.drv
  /nix/store/4jm6yn7zn8gvgaw38kvj8j7hll38di68-treefmt.drv
  /nix/store/2pfdackrw6lgzfyrgka34hyxvp69d9aq-treefmt-check.drv
building '/nix/store/pa8aa1n41q61bkjs3wz2rhjm4az6449x-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/4jm6yn7zn8gvgaw38kvj8j7hll38di68-treefmt.drv'
building '/nix/store/2pfdackrw6lgzfyrgka34hyxvp69d9aq-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 91 files
treefmt-check> emitted 48 files for processing
treefmt-check> formatted 48 files (0 changed) in 287ms