this derivation will be built:
  /nix/store/cb51f0n5qg2k7hiygqbxa0zn6d2hyxkg-treefmt-check.drv
building '/nix/store/cb51f0n5qg2k7hiygqbxa0zn6d2hyxkg-treefmt-check.drv'
treefmt-check> traversed 532 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 2.222s

upload niks3: ok