this derivation will be built:
  /nix/store/vp1xgc7sq4lnflh6zm8w3az5bb81xw0f-treefmt-check.drv
building '/nix/store/vp1xgc7sq4lnflh6zm8w3az5bb81xw0f-treefmt-check.drv'
treefmt-check> traversed 532 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 3.765s

upload niks3: ok