Cargo.toml

Crate not found  

Reports any unknown crates listed in Cargo.toml.

Cyclic feature dependency  

Detects features that depend on themselves.

Duplicate key  

Reports duplicated keys within the same section of a Cargo.toml file.

Invalid crate version  

Reports invalid crate versions in Cargo.toml.

Invalid package category  

Checks the categories field in the [package] section of Cargo.toml against the crates.io rules: The categories must be chosen from the list of valid category slugs A maximum of 5 categories is allowed.

Newer crate version available  

Reports outdated crate versions in Cargo.toml.

Schema violation  

Reports errors in Cargo.toml related to structure, constraints, and data types.

Unclosed string literal  

Reports string literals that are missing a closing quote.