this derivation will be built:
  /nix/store/373f8lygq2rq4k8m6n2hr7cyhzi6jrva-treefmt-check.drv
building '/nix/store/373f8lygq2rq4k8m6n2hr7cyhzi6jrva-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 936 files
treefmt-check> emitted 234 files for processing
treefmt-check> formatted 234 files (0 changed) in 575ms