Rust Error Multiple Versions of One Crate in the Graph
Two versions of the same crate in the graph are legal, and they produce confusing type errors when types cross the boundary. cargo tree shows who pulls which.
6 min read
Tag
cargo
6 posts
Guide
Writing Your Own Cargo Subcommand in Rust From Scratch
A Cargo subcommand is a binary named cargo-something. The interesting parts are the argument Cargo passes, reading the workspace with cargo_metadata and installing it.
16 min read
Rust Error Failed to Select a Version for the Requirement
Cargo cannot find versions that satisfy every requirement in your tree. Read the message, find the conflict with cargo tree, and fix it by relaxing a requirement, updating a crate, or a patch.
6 min read
Rust
Install Rust With Rustup and Set Up Your First Project
Install the Rust toolchain with rustup, check that it works, pick a channel and create your first Cargo project, with the three problems that stop most first installs.
7 min read
Guide
Cargo Workspaces Features and Publishing a Crate Guide
A guide to Cargo beyond cargo build: the manifest, dependency versions, features, workspaces, profiles, MSRV, publishing and the errors you will meet along the way.
14 min read
Rust
Crates Packages and Modules in Rust Told Apart Explained
A package has a Cargo.toml, a crate is one compilation unit, and a module is a namespace inside it. Learn how the three nest and what each one changes.
7 min read