this derivation will be built:
  /nix/store/q16cpgx3wwf86laly69l9s65iln70p63-treefmt-check.drv
building '/nix/store/q16cpgx3wwf86laly69l9s65iln70p63-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 923 files
treefmt-check> emitted 228 files for processing
treefmt-check> formatted 228 files (0 changed) in 566ms