Rust Cross-Compilation Purpose Guide agents through Rust cross-compilation: adding rustup targets, using for hermetic Docker-based cross-builds, for zero-setup cross-compilation, configuration, and embedded bare-metal targets. Triggers - "How do I cross-compile Rust for ARM/aarch64?" - "How do I build a Rust binary for a different OS?" - "How do I use the cross tool for Rust cross-compilation?" - "How do I build Rust for embedded (no std) targets?" - "How do I use cargo-zigbuild?" - "My cross-compiled Rust binary won't run on the target" Workflow 1. Add a rustup target 2. Common target triple…