this derivation will be built:
  /nix/store/cl9dx5w6yhiyq1khxqy3w9c2667zdq9y-treefmt-check.drv
building '/nix/store/cl9dx5w6yhiyq1khxqy3w9c2667zdq9y-treefmt-check.drv'
treefmt-check> traversed 557 files
treefmt-check> emitted 377 files for processing
treefmt-check> formatted 377 files (0 changed) in 4.736s

upload niks3: ok