this derivation will be built:
  /nix/store/4s4z0qwg2knqhih12bcjys6svjg8nlg7-treefmt-check.drv
building '/nix/store/4s4z0qwg2knqhih12bcjys6svjg8nlg7-treefmt-check.drv'
treefmt-check> traversed 539 files
treefmt-check> emitted 367 files for processing
treefmt-check> formatted 367 files (0 changed) in 14.748s

upload niks3: ok