this derivation will be built:
  /nix/store/1czgq4x0hf8rcyqcl4fnrq3yvpn2k7mw-treefmt-check.drv
building '/nix/store/1czgq4x0hf8rcyqcl4fnrq3yvpn2k7mw-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/1czgq4x0hf8rcyqcl4fnrq3yvpn2k7mw-treefmt-check.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
treefmt-check> stibnite: building 1czgq4x0hf8rcyqcl4fnrq3yvpn2k7mw-treefmt-check.drv

upload niks3: ok