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rust-cross

Use when building Rust binaries for a different target architecture or OS, using cross or cargo-zigbuild, configuring .cargo/config.toml, or targeting embedded bare-metal.

.devin/skills/rust-cross/SKILL.md

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# Rust cross-compilation

## Contract

| Field | Bound contract |
|---|---|
| Trigger | Building Rust for a target with a different architecture, OS, or ABI; configuring cross-compilation in `.cargo/config.toml`; or targeting bare-metal embedded devices. |
| Authority | Reversible local. Edits `.cargo/config.toml`, `Cross.toml`, `Cargo.toml`, installs `rustup` targets, and writes `target/` build directories; rollback reverts the edited files, runs `rustup target remove <triple>` for targets this skill added, and removes build artifacts. No remote mutation. |
| Side effect | Local configuration files, `rustup` installed targets, build artifacts, and Docker images if `cross` is used. |
| Done | The chosen target builds with the selected driver and the output matches the intended target triple and linking mode. |

## Inputs

1. **Target triple** (required): the CPU, vendor, OS, and ABI (for example, `aarch64-unknown-linux-gnu`, `thumbv7em-none-eabihf`).