this derivation will be built:
  /nix/store/s4m9iamr7gnggw3ip559xb0pr779iw9p-treefmt-check.drv
building '/nix/store/s4m9iamr7gnggw3ip559xb0pr779iw9p-treefmt-check.drv'
treefmt-check> traversed 549 files
treefmt-check> emitted 372 files for processing
treefmt-check> formatted 372 files (0 changed) in 12.277s

upload niks3: ok