bash
cargo treeNotes
A strong first step when trying to understand unexpected transitive dependencies.
Rust CLI Troubleshooting: Dependencies, Features, and Lockfiles
Commands for analyzing dependency trees, feature activation, duplicate crates, and lockfile behavior in Rust CLI projects.
Export
Copy the compact sheet, download it, or print it.
Download
`D` dense toggle · `C` copy all
Dependency and feature inspection
Use Cargo tree and updates to understand why builds behave a certain way.
bash
cargo tree -i serdeNotes
Useful when you need to know why a crate is present in the graph at all.
Find duplicate crate versions
List repeated dependencies that may bloat builds.
bashANYcargotreeduplicates
bash
cargo tree -dNotes
Duplicate versions are common when features or version requirements drift apart across the graph.
Inspect activated features
Show features involved in dependency resolution.
bashANYcargotreefeatures
bash
cargo tree -e featuresNotes
Helps explain why optional code paths are compiling or why a dependency appears heavier than expected.
Refresh the lockfile
Update dependencies allowed by version requirements.
bashANYcargoupdatelockfile
bash
cargo updateNotes
Useful after fixing version constraints or when trying to reproduce a dependency-resolution change.
Pin one dependency precisely
Update a selected crate to one specific version.
bashANYcargoupdateprecise
bash
cargo update -p clap --precise 4.5.0Notes
Helpful when bisecting a regression or reproducing an issue tied to one dependency version.
bash
cargo generate-lockfileNotes
Useful in CI or when the lockfile was deleted and you want a clean regeneration.
Feature troubleshooting snippets
Examples for toggling and inspecting feature combinations.
Build without default features
Check whether defaults are causing the issue.
bashANYcargofeaturesno-default-features
bash
cargo build --no-default-featuresNotes
Useful for debugging crates that compile only under a smaller feature set.
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cargo build --features json,deriveNotes
Helpful for reproducing a problem that appears only under certain feature combinations.
Build with all features
Catch hidden compilation issues across optional code paths.
bashANYcargofeaturesall-features
bash
cargo build --all-featuresNotes
A common CI safeguard for libraries and CLI tools that expose optional functionality.
More in Rust CLI
Rust CLI Troubleshooting: CI, Environment, Build Scripts, and Publishing
Commands for debugging CI failures, environment mismatches, build script output, installation problems, and publish checks in Rust CLI projects.
Rust CLI Troubleshooting: rustup, Toolchains, Components, and Targets
Commands for fixing toolchain mismatches, missing components, and cross-compilation target issues in Rust CLI projects.
Rust CLI Troubleshooting: Tests, Doctests, and Documentation
Commands for debugging failing tests, capturing output, isolating flaky cases, and fixing documentation-generation issues in Rust CLI projects.
Rust CLI Troubleshooting: Manifest, Packages, and Workspaces
Commands and examples for debugging Cargo.toml issues, package selection mistakes, and workspace confusion in Rust CLI repos.
Rust CLI Troubleshooting: Build Errors and Diagnostics
Commands for investigating compiler errors, Cargo diagnostics, verbose output, and fix suggestions in Rust CLI projects.
Rust CLI Cargo Config, Environment, Docs, and Debugging
Cargo configuration, environment variables, docs generation, and troubleshooting commands for Rust CLI development.