The crate is currently missing the git operation get_vsts_info_by_remote_url that is present in the Python SDK:
https://github.com/microsoft/azure-devops-python-api/blob/451cade4c475482792cbe9e522c1fee32393139e/azure-devops/azure/devops/v6_0/git/git_client.py#L28
The spec has an example, but the operation does not appear in the OpenAPI spec definition.