this derivation will be built:
  /nix/store/z1y4lgkrzn3mz3ik95jf04rhgf54ah5b-treefmt-check.drv
building '/nix/store/z1y4lgkrzn3mz3ik95jf04rhgf54ah5b-treefmt-check.drv'
treefmt-check> traversed 549 files
treefmt-check> emitted 372 files for processing
treefmt-check> formatted 372 files (0 changed) in 4.177s

upload niks3: ok