this derivation will be built:
  /nix/store/js7hlw9pfs6n5kwpkv884kl4z4yb1bdq-treefmt-check.drv
building '/nix/store/js7hlw9pfs6n5kwpkv884kl4z4yb1bdq-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1649 files
treefmt-check> emitted 425 files for processing
treefmt-check> formatted 425 files (0 changed) in 4.473s

upload niks3: ok