this derivation will be built:
  /nix/store/frbfqfvzhslfdkb4nd9f8c99hnsh808z-treefmt-check.drv
building '/nix/store/frbfqfvzhslfdkb4nd9f8c99hnsh808z-treefmt-check.drv'
treefmt-check> traversed 546 files
treefmt-check> emitted 371 files for processing
treefmt-check> formatted 371 files (0 changed) in 3.19s

upload niks3: ok