this derivation will be built:
  /nix/store/y72nbms3i4b7mj2nlwahl03qh5y7m3bv-treefmt-check.drv
building '/nix/store/y72nbms3i4b7mj2nlwahl03qh5y7m3bv-treefmt-check.drv'
treefmt-check> traversed 538 files
treefmt-check> emitted 366 files for processing
treefmt-check> formatted 366 files (0 changed) in 14.614s

upload niks3: ok