this derivation will be built:
  /nix/store/ckdbg2jq8y7gdn0p7kl6ml17i34k4v09-treefmt-check.drv
building '/nix/store/ckdbg2jq8y7gdn0p7kl6ml17i34k4v09-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2030 files
treefmt-check> emitted 557 files for processing
treefmt-check> formatted 557 files (0 changed) in 3.323s

upload niks3: ok