RESULT: credentials class = Google::Auth::ExternalAccountCredentials::Pluggable RESULT: fetch_access_token error: Token exchange failed with status 500: Can't connect to 127.0.0.1:9 (Connection refused) Connection refused at /data/pruva/runs/99f8b529-e441-4b2d-9b20-80b08d9955ec/bundle/repro/deps/lib/perl5/LWP/Protocol/http.pm line 49.