this derivation will be built:
  /nix/store/khglmmp3ni1ajd0ywq9mpcl6h3pbx1h9-treefmt-check.drv
building '/nix/store/khglmmp3ni1ajd0ywq9mpcl6h3pbx1h9-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 5.155s

upload niks3: ok