this derivation will be built:
  /nix/store/01g9fizby1hnkgww2la1lgh1fhv6892y-treefmt-check.drv
building '/nix/store/01g9fizby1hnkgww2la1lgh1fhv6892y-treefmt-check.drv'
treefmt-check> traversed 527 files
treefmt-check> emitted 360 files for processing
treefmt-check> formatted 360 files (0 changed) in 18.138s

upload niks3: ok