Warning: Permanently added '2620:52:3:1:dead:beef:cafe:c14a' (ED25519) to the list of known hosts. You can reproduce this build on your computer by running: sudo dnf install copr-rpmbuild /usr/bin/copr-rpmbuild --verbose --drop-resultdir --srpm --task-url https://copr.fedorainfracloud.org/backend/get-srpm-build-task/8882557 Version: 1.3 PID: 8605 Logging PID: 8606 Task: {'appstream': False, 'background': True, 'build_id': 8882557, 'chroot': None, 'package_name': 'python-jupyterlab-widgets', 'project_dirname': 'jupyterlab_f40', 'project_name': 'jupyterlab_f40', 'project_owner': 'lbalhar', 'repos': [], 'sandbox': 'lbalhar/jupyterlab_f40--lbalhar', 'source_json': {'clone_url': 'https://src.fedoraproject.org/rpms/python-jupyterlab-widgets.git', 'committish': 'f40', 'distgit': 'fedora'}, 'source_type': 10, 'submitter': 'lbalhar', 'task_id': '8882557'} Running: git clone https://src.fedoraproject.org/rpms/python-jupyterlab-widgets.git /var/lib/copr-rpmbuild/workspace/workdir-xgpki894/python-jupyterlab-widgets --depth 500 --no-single-branch --recursive cmd: ['git', 'clone', 'https://src.fedoraproject.org/rpms/python-jupyterlab-widgets.git', '/var/lib/copr-rpmbuild/workspace/workdir-xgpki894/python-jupyterlab-widgets', '--depth', '500', '--no-single-branch', '--recursive'] cwd: . rc: 0 stdout: stderr: Cloning into '/var/lib/copr-rpmbuild/workspace/workdir-xgpki894/python-jupyterlab-widgets'... Running: git checkout f40 -- cmd: ['git', 'checkout', 'f40', '--'] cwd: /var/lib/copr-rpmbuild/workspace/workdir-xgpki894/python-jupyterlab-widgets rc: 128 stdout: stderr: fatal: invalid reference: f40 Copr build error: fatal: invalid reference: f40