this derivation will be built:
  /nix/store/y81k15wn9s9a4sn4ll4dw8bkln9fnwfn-treefmt-check.drv
building '/nix/store/y81k15wn9s9a4sn4ll4dw8bkln9fnwfn-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1661 files
treefmt-check> emitted 424 files for processing
treefmt-check> formatted 424 files (0 changed) in 13.436s

upload niks3: ok