this derivation will be built:
  /nix/store/w9hc025v1dp6rgry2f1gs51ls40v0w3a-treefmt-check.drv
building '/nix/store/w9hc025v1dp6rgry2f1gs51ls40v0w3a-treefmt-check.drv'
treefmt-check> traversed 520 files
treefmt-check> emitted 356 files for processing
treefmt-check> formatted 356 files (0 changed) in 23.019s

upload niks3: ok