this derivation will be built:
  /nix/store/v94p1gfhfc3261v7l4gjrx8sjrwij6gy-treefmt-check.drv
building '/nix/store/v94p1gfhfc3261v7l4gjrx8sjrwij6gy-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 64 files
treefmt-check> emitted 41 files for processing
treefmt-check> formatted 41 files (0 changed) in 67ms