Rust CLI Cargo Config, Environment, Docs, and Debugging

[build]
target-dir = "target-fast"

[term]
verbose = true

# Store configuration in the project under `.cargo/config.toml`.

cargo --config build.target-dir="target-ci" test

# Pass a config key or file path at runtime.

CARGO_TARGET_DIR=target-ci cargo build

# Redirect build artifacts without editing config files.

CARGO_LOG=debug cargo build

# Emit tracing logs from Cargo itself.

CARGO_HOME=$HOME/.cargo-alt cargo install ripgrep

# Use a non-default cache and install location.

RUST_BACKTRACE=1 cargo run

# Display stack traces from Rust panics.

RUSTFLAGS="-D warnings" cargo check

# Inject compiler flags for one build.

cargo doc

# Generate docs for the package and dependencies.

cargo doc --open

# Generate docs then open the entry page.

cargo doc --no-deps

# Skip building dependency docs.

cargo rustdoc -- --document-private-items

# Forward arguments to rustdoc for advanced control.

cargo tree

# Inspect the dependency graph for the package.

cargo tree -i serde

# Show what depends on a specific crate.

cargo tree -e features

# Show the tree with features included.

cargo generate-lockfile

# Create a lockfile without building.

cargo update

# Refresh locked dependency versions.