this derivation will be built:
  /nix/store/x0ns3hgn8x09s7y8jgvdghdrq1iafga3-treefmt-check.drv
building '/nix/store/x0ns3hgn8x09s7y8jgvdghdrq1iafga3-treefmt-check.drv'
treefmt-check> traversed 519 files
treefmt-check> emitted 355 files for processing
treefmt-check> formatted 355 files (0 changed) in 27.177s

upload niks3: ok