this derivation will be built:
  /nix/store/gb3wf042a9n5g0g5s90vy7pc4i1yfr6s-treefmt-check.drv
building '/nix/store/gb3wf042a9n5g0g5s90vy7pc4i1yfr6s-treefmt-check.drv'
treefmt-check> traversed 520 files
treefmt-check> emitted 356 files for processing
treefmt-check> formatted 356 files (0 changed) in 22.26s

upload niks3: ok