fetching https://github.com/StianGulpen/dmd.git issue-6226 (attempt: 1/3) fatal: could not read Username for 'https://github.com': Input/output error fetching https://github.com/StianGulpen/dmd.git issue-6226 (attempt: 2/3) fatal: could not read Username for 'https://github.com': Input/output error fetching https://github.com/StianGulpen/dmd.git issue-6226 (attempt: 3/3) fatal: could not read Username for 'https://github.com': Input/output error