this derivation will be built:
  /nix/store/vx24bmpa1qqn28332mddl99g5z5nqvy5-treefmt-check.drv
building '/nix/store/vx24bmpa1qqn28332mddl99g5z5nqvy5-treefmt-check.drv'
treefmt-check> traversed 535 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 3.555s

upload niks3: ok