"What Happens When You Run Cargo Build?"
summary
Explains that the program run as Cargo is actually rustup proxying via hard links, so rustup inspects rust-toolchain.toml, downloads the exact Cargo/rustc toolchain if missing, and invokes it. Shows a zero-deps cargo new build creating target/debug, passing edition = "2021", acquiring a filesystem lock, generating a build plan, compiling dependencies in parallel, allowing multiple versions when needed, and creating Cargo.lock on first run.
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chapters (12)
- 0:00Cargo introduction
- 1:18What cargo build does
- 2:49rustup and Cargo versions
- 4:52Zero-dependency build
- 6:10Build plan generation
- 7:42Cargo project structure
- 8:34Build with dependencies
- 9:07Dependency graph resolution
- 10:11Multiple dependency versions
- 13:04Dependency versioning issues
- 13:38Complete cargo build workflow
- 20:17Conclusion
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