this derivation will be built:
  /nix/store/2p21cr7yhqhmc1ax24jq7cc1ijdhwv4l-treefmt-check.drv
building '/nix/store/2p21cr7yhqhmc1ax24jq7cc1ijdhwv4l-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 2088 files
treefmt-check> emitted 509 files for processing
treefmt-check> formatted 509 files (0 changed) in 3.808s

upload niks3: ok