Generate realistic Rust Cargo build logs with dependency downloads, compilation progress, and release builds. Ideal for CI/CD demos and Rust development tutorials.
Press Ctrl + C to exit. Output is simulated for demo purposes only.
This module simulates crate downloads, compile steps, and release builds log events with realistic pacing.
It is designed for demos, log pipeline testing, and documentation where the real stack is unavailable.
All output is generated locally in the browser and is safe to run.
Downloading serde v1.0.193 Downloading tokio v1.36.0 Compiling rand v0.8.5 Compiling my_app v0.1.0 Finished release [optimized] target(s) in 12.34 secs
No. It is a simulator that prints log text only.
Yes. The CLI supports speed and repeat options, and the web page can be refreshed.
No. It does not install, update, or modify anything.
Cargo is the Rust package manager and build tool. It prints dependency downloads, compilation steps, and finish messages.
Real Cargo output is used in CI logs and developer workflows. This module helps you test log parsing or create demos that look like real Rust builds.
Popular questions and answers from Stack Overflow related to Cargo.
Run cargo update to update all dependencies to their latest compatible versions. To update a specific package: cargo update -p package_name. To allow breaking changes, manually edit Cargo.toml.
Dependencies are required to build and run your project. Dev-dependencies are only used during development and testing (like test frameworks). They are not included when others use your crate as a dependency.
Run cargo build --release. Binary will be in target/release/. Release builds enable optimizations and disable debug symbols. For maximum optimization, add lto = true in [profile.release] in Cargo.toml.
Check crate name spelling in Cargo.toml. Run cargo update. Clear ~/.cargo/registry and cargo cache. Check if crate exists on crates.io. For git dependencies, verify URL and branch/tag.
Cargo.lock records exact dependency versions used. For applications: commit it for reproducible builds. For libraries: usually do not commit (let downstream choose versions). Add to .gitignore for libraries.
Use path in Cargo.toml: [dependencies]\nmy_crate = { path = "../my_crate" }. For both local and published: my_crate = { version = "1.0", path = "../my_crate" }.
Run cargo run --example example_name. Examples are in examples/ directory. List all examples: cargo run --example. Build without running: cargo build --example example_name.
In Cargo.toml: my_crate = { version = "1.0", features = ["feature1", "feature2"] }. To enable default features: default-features = true. To disable: default-features = false.
Install target: rustup target add x86_64-unknown-linux-musl. Build: cargo build --target x86_64-unknown-linux-musl. May need linker configured in ~/.cargo/config.toml for some targets.
Workspace groups related crates sharing Cargo.lock and output directory. Use for monorepos with multiple crates. Define in root Cargo.toml: [workspace]\nmembers = ["crate1", "crate2"].
Popular video tutorials to learn more about Cargo.
Let's Get Rusty
Master Rust's Cargo package manager including dependency management, workspaces, features, and publishing crates to crates.io.
Watch on YouTubeJon Gjengset
Advanced Cargo topics including build profiles, cross-compilation, custom build scripts, and optimizing compilation times.
Watch on YouTube
