this derivation will be built:
  /nix/store/1qwz4fycqid9ab6zj8nwf6rxp1rd0cdx-treefmt-check.drv
building '/nix/store/1qwz4fycqid9ab6zj8nwf6rxp1rd0cdx-treefmt-check.drv'
treefmt-check> traversed 517 files
treefmt-check> emitted 354 files for processing
treefmt-check> formatted 354 files (0 changed) in 2.936s

upload niks3: ok