this derivation will be built:
  /nix/store/mj5hhshqbk96rq6sivhb7i656wg6z4p4-treefmt-check.drv
building '/nix/store/mj5hhshqbk96rq6sivhb7i656wg6z4p4-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1969 files
treefmt-check> emitted 534 files for processing
treefmt-check> formatted 534 files (0 changed) in 3.139s

upload niks3: ok