this derivation will be built:
  /nix/store/4yqgr80ij6hvhyr8fz986f1my7ir3igz-treefmt-check.drv
building '/nix/store/4yqgr80ij6hvhyr8fz986f1my7ir3igz-treefmt-check.drv'
treefmt-check> traversed 535 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 5.171s

upload niks3: ok