Cargo Tarpaulin

cargo-tarpaulin Plugin

Code coverage reporting tool for Rust/Cargo projects.

Commands

Coverage

• cargo-tarpaulin coverage run — Run code coverage analysis
• cargo-tarpaulin coverage html — Generate HTML coverage report
• cargo-tarpaulin coverage xml — Generate XML (Cobertura) report

Usage Examples

• "Run code coverage on my Rust project"
• "Generate a coverage report"
• "Check test coverage percentage"
• "Create an HTML coverage report"

Installation

cargo install cargo-tarpaulin

Examples

# Basic coverage
cargo tarpaulin

# HTML report
cargo tarpaulin --out Html

# XML for CI
cargo tarpaulin --out Xml

# JSON output
cargo tarpaulin --out Json

# With timeout
cargo tarpaulin --timeout 120

# Exclude files
cargo tarpaulin --exclude-files "tests/*"

Key Features

• Line coverage analysis
• HTML, XML, JSON, LCOV output formats
• CI integration (CircleCI, Travis, GitHub Actions)
• Coveralls.io and Codecov.io upload support
• Config file support (.tarpaulin.toml)