Worked on the agave repository to maintain stability in the nightly CI pipeline by addressing build failures caused by upstream API changes in solana-unified-scheduler-pool. Focused on updating extract_if usage to MakeExtractIf::extract_if within scheduler_inners and timeout_listeners, ensuring compatibility with the latest API revisions. This involved rapid adaptation to evolving dependencies and reinforced the reliability of nightly testing and feedback loops. Utilized Rust for all code changes, applying skills in API integration and build systems to deliver a targeted bug fix. The work emphasized maintaining continuous integration stability and responsiveness to external library updates within a fast-moving codebase.