this derivation will be built:
  /nix/store/l2n5jv3h9xj01s46sqcd156j0v0cfz8i-treefmt-check.drv
building '/nix/store/l2n5jv3h9xj01s46sqcd156j0v0cfz8i-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1992 files
treefmt-check> emitted 482 files for processing
treefmt-check> formatted 482 files (0 changed) in 3.869s

upload niks3: ok