this derivation will be built:
  /nix/store/1kqi1i7fp9l2id4kf0vbhlg55ymhi03c-treefmt-check.drv
building '/nix/store/1kqi1i7fp9l2id4kf0vbhlg55ymhi03c-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2104 files
treefmt-check> emitted 566 files for processing
treefmt-check> formatted 566 files (0 changed) in 3.181s

upload niks3: ok