this derivation will be built:
  /nix/store/ks1v53pfjrq04i7fffpq425isqsw4j6m-ntfy-send-test-token-transport.drv
building '/nix/store/ks1v53pfjrq04i7fffpq425isqsw4j6m-ntfy-send-test-token-transport.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/ks1v53pfjrq04i7fffpq425isqsw4j6m-ntfy-send-test-token-transport.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
ntfy-send-test-token-transport> stibnite: building ks1v53pfjrq04i7fffpq425isqsw4j6m-ntfy-send-test-token-transport.drv

upload niks3: ok