this derivation will be built:
  /nix/store/jxjf1mqlrlplrns9iw9ckn52v5cv8n0r-treefmt-check.drv
building '/nix/store/jxjf1mqlrlplrns9iw9ckn52v5cv8n0r-treefmt-check.drv'
treefmt-check> traversed 522 files
treefmt-check> emitted 356 files for processing
treefmt-check> formatted 356 files (0 changed) in 17.499s

upload niks3: ok