this derivation will be built:
  /nix/store/a7f5kxxk3r2j6w4wckdc0bic028mwd71-treefmt-check.drv
building '/nix/store/a7f5kxxk3r2j6w4wckdc0bic028mwd71-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 941 files
treefmt-check> emitted 236 files for processing
treefmt-check> formatted 236 files (0 changed) in 631ms