this derivation will be built:
  /nix/store/l2snkf9w214sd5lxvlm43bsbjj2y3l5x-treefmt-check.drv
building '/nix/store/l2snkf9w214sd5lxvlm43bsbjj2y3l5x-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 94 files
treefmt-check> emitted 69 files for processing
treefmt-check> formatted 69 files (0 changed) in 49ms