this derivation will be built:
  /nix/store/6ba32ff4dg1ilzywz96n1i28j25va5f5-treefmt-check.drv
building '/nix/store/6ba32ff4dg1ilzywz96n1i28j25va5f5-treefmt-check.drv' on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5'
building '/nix/store/6ba32ff4dg1ilzywz96n1i28j25va5f5-treefmt-check.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
treefmt-check> stibnite: building 6ba32ff4dg1ilzywz96n1i28j25va5f5-treefmt-check.drv
treefmt-check> treefmt v2.6.0traversed 2083 files
treefmt-check> emitted 556 files for processing
treefmt-check> formatted 556 files (0 changed) in 2.831s

upload niks3: ok