Sahithi worked on the rust-lang/cargo repository, developing a logging enhancement that captures the exact Cargo CLI arguments used for each build. By adding a command field to the BuildStarted log message, Sahithi enabled deeper traceability and analysis of build processes, supporting reproducibility and faster debugging. The implementation leveraged Rust and structured logging techniques, integrating seamlessly with Cargo’s build system. This feature addressed the need for improved observability by recording invocation patterns, which can inform future optimization efforts. Sahithi’s work demonstrated a solid understanding of build systems and instrumentation, delivering a focused, well-scoped improvement with clear business value for developers.