Worked on the containers/libkrun repository to modernize Rust error handling in memory access and event polling, focusing on code quality improvements. The approach involved refactoring existing logic to adopt the ? operator for concise error propagation and utilizing is_ok_and for more idiomatic conditional checks, in line with the latest clippy suggestions. This targeted update reduced boilerplate and improved code readability, reliability, and maintainability, making the codebase more approachable for future contributors. Leveraging skills in Rust and system programming, the work laid a foundation for faster feature delivery and easier onboarding, although no major bugs were addressed during this period.