Worked on enhancing the robustness of the ai-dynamo/nixl Rust bindings by focusing on error handling and backend reliability. Addressed a critical issue in memory management by ensuring that the Rust interface accurately surfaces C API status codes during memory registration failures, preventing the creation of invalid handles and improving downstream reliability. Updated the test suite to verify that backend failures are properly detected and not silently ignored, thereby strengthening the correctness of error propagation. Utilized Rust for backend development, with particular attention to error signaling and test coverage, resulting in more predictable and maintainable integration between Rust and C components.