this derivation will be built:
  /nix/store/qy7f9q2l77irnx4dfd0z37frapx2m0j1-treefmt-check.drv
building '/nix/store/qy7f9q2l77irnx4dfd0z37frapx2m0j1-treefmt-check.drv'
treefmt-check> traversed 535 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 3.647s

upload niks3: ok