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cargo-build

Development
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Run cargo build with consistent flags and colorless output for CI/log parsing. Formats code first, then builds all workspace targets. Trigger when asked to build Rust projects or prepare binaries.

QUICK START

How to use this skill

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  2. Copy the prompt below and paste it into your agent.
  3. Review the proposed files and risks before you approve installation.
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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/development/cargo-build/SKILL.md

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Cargo Build

Overview

Standardize cargo build runs with consistent flags, colorless output, and format-first workflow. Ensures reproducible builds across environments.

Quick Start

  1. Run skills/cargo-build/scripts/run_build.sh from repository root.
  2. Fix formatting errors first, then address compiler errors.
  3. Rerun script until build succeeds.

Workflow

  1. Format first: cargo fmt --all ensures code is formatted before building.
  2. Build command: cargo build --all-features --workspace --all-targets --message-format=short
  3. Environment:
    • NO_COLOR=1 - Disables color output
    • CARGO_TERM_COLOR=never - Ensures cargo output is colorless
  4. Scope: Builds all targets (lib, bin, tests, examples, benches) across entire workspace with all features enabled.
  5. Output format: --message-format=short provides concise, parseable output.

Best Practices

  • Always disable colors: Use cargo --color=never or set CARGO_TERM_COLOR=never for consistent, parseable output.
  • Format before build: Run cargo fmt --all to catch formatting issues early.
  • Use workspace builds: Build entire workspace with --workspace unless targeting specific packages.
  • Enable all features: Use --all-features to catch feature-gated compilation errors.
  • Run from root: Execute from repository root to ensure proper workspace resolution.
  • Avoid ad hoc flags: Use consistent, documented build commands rather than one-off invocations.

Common Variations

Target specific package

cargo --color=never build -p <package-name>

Release build

cargo --color=never build --release --workspace --all-targets

Check without building

cargo --color=never check --all-features --workspace --all-targets

Failure Handling

  1. Formatting failures: Fix code formatting issues reported by cargo fmt.
  2. Compilation errors: Address errors in the order reported by the compiler.
  3. Rerun full script: Don't run partial commands; always use the complete workflow.