this derivation will be built:
  /nix/store/ffmv2xx26p1h16sxim1ll0jfn8cx711f-treefmt-check.drv
building '/nix/store/ffmv2xx26p1h16sxim1ll0jfn8cx711f-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1851 files
treefmt-check> emitted 453 files for processing
treefmt-check> formatted 453 files (0 changed) in 24.762s

upload niks3: ok