this derivation will be built:
  /nix/store/4lr3w8k03y8k6i0cdm3991s99qym3f9b-treefmt-check.drv
building '/nix/store/4lr3w8k03y8k6i0cdm3991s99qym3f9b-treefmt-check.drv'
treefmt-check> traversed 519 files
treefmt-check> emitted 355 files for processing
treefmt-check> formatted 355 files (0 changed) in 13.484s

upload niks3: ok