this derivation will be built:
  /nix/store/cxqwpdbmbkladq6602rvan7d5s6fn4v4-treefmt-check.drv
building '/nix/store/cxqwpdbmbkladq6602rvan7d5s6fn4v4-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1978 files
treefmt-check> emitted 541 files for processing
treefmt-check> formatted 541 files (0 changed) in 3.037s

upload niks3: ok