this derivation will be built:
  /nix/store/dsr10pa60qwkjlf9f2c6j6rp9mmnfzdg-treefmt-check.drv
building '/nix/store/dsr10pa60qwkjlf9f2c6j6rp9mmnfzdg-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2051 files
treefmt-check> emitted 553 files for processing
treefmt-check> formatted 553 files (0 changed) in 3.676s

upload niks3: ok