Worked on the google/crubit repository to enhance Rust cross-compilation reliability and streamline build processes. Focused on compiler development and dependency management, the work addressed issues with rustc input handling by replacing problematic input patterns with a stable filename, preventing build hangs during cross-compilation. Improvements also included refining host and target dependency resolution for procedural macros, ensuring correct bindings generation and initialization paths. Additionally, documentation was updated to clarify configuration expectations, specifically correcting the order of target-triple and profile name references. These changes, implemented in Rust, contributed to more stable CI workflows and improved maintainability for contributors working with cross-platform builds.