this derivation will be built:
  /nix/store/gn3msx6xbf57w9qvwy7dxshx608dsdy5-treefmt-check.drv
building '/nix/store/gn3msx6xbf57w9qvwy7dxshx608dsdy5-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 935 files
treefmt-check> emitted 233 files for processing
treefmt-check> formatted 233 files (0 changed) in 627ms