this derivation will be built:
  /nix/store/d03v4qr347r02i64s84yn8fqm5f2z49z-dependency-sources.drv
building '/nix/store/d03v4qr347r02i64s84yn8fqm5f2z49z-dependency-sources.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/d03v4qr347r02i64s84yn8fqm5f2z49z-dependency-sources.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
dependency-sources> stibnite: building d03v4qr347r02i64s84yn8fqm5f2z49z-dependency-sources.drv
dependency-sources> structuredAttrs is enabled

upload niks3: ok