this derivation will be built:
  /nix/store/xahr5c8vwqavvc9shzs2b5jljxfrj8h9-treefmt-check.drv
building '/nix/store/xahr5c8vwqavvc9shzs2b5jljxfrj8h9-treefmt-check.drv'
treefmt-check> traversed 553 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 38.415s

upload niks3: ok