this derivation will be built:
  /nix/store/69l4m41x3f6dyy7ismz5l075x0jw6a3a-treefmt-check.drv
building '/nix/store/69l4m41x3f6dyy7ismz5l075x0jw6a3a-treefmt-check.drv'
treefmt-check> traversed 533 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 2.657s

upload niks3: ok