this derivation will be built:
  /nix/store/r3zybbybnss75b48rrfg8j8k76lk43kg-treefmt-check.drv
building '/nix/store/r3zybbybnss75b48rrfg8j8k76lk43kg-treefmt-check.drv'
treefmt-check> traversed 550 files
treefmt-check> emitted 372 files for processing
treefmt-check> formatted 372 files (0 changed) in 3.387s

upload niks3: ok