Worked on the rust-lang/miri repository to enhance the stability and reliability of the cargo-miri command line tool, focusing on error handling in metadata retrieval. Addressed a bug where the absence of a Cargo.toml file previously caused the tool to panic, implementing a solution in Rust that uses unwrap_or_else to provide clear, actionable error messages instead. This approach improved the user experience by preventing crashes and reducing downstream failures in edge-case project setups. The work strengthened cargo metadata handling, minimized support overhead, and contributed to a more robust command line workflow, leveraging expertise in Rust and error handling throughout the process.