this derivation will be built:
  /nix/store/f8fc1jjjs5jfw01qnl6l2qsj161d3x3w-treefmt-check.drv
building '/nix/store/f8fc1jjjs5jfw01qnl6l2qsj161d3x3w-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1952 files
treefmt-check> emitted 527 files for processing
treefmt-check> formatted 527 files (0 changed) in 2.772s

upload niks3: ok