this derivation will be built:
  /nix/store/mbpq0qy2zia0clnzw1995w3jr57255dm-treefmt-check.drv
building '/nix/store/mbpq0qy2zia0clnzw1995w3jr57255dm-treefmt-check.drv'
treefmt-check> traversed 552 files
treefmt-check> emitted 373 files for processing
treefmt-check> formatted 373 files (0 changed) in 3.524s

upload niks3: ok