this derivation will be built:
  /nix/store/9v8cpvb0bz3d7w7y4z6w7f5xlcnbdw72-treefmt-check.drv
building '/nix/store/9v8cpvb0bz3d7w7y4z6w7f5xlcnbdw72-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 375 files for processing
treefmt-check> formatted 375 files (0 changed) in 48.383s

upload niks3: ok