Lib.rs

Issues found

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• r2d2_mysql

  • Dependency mysql 25 is outdated

    Upgrade to 26.0.0 to get all the fixes, and avoid causing duplicate dependencies in projects.

    Easy way to bump dependencies: cargo install cargo-edit; cargo upgrade -i; Also check out Dependabot service on GitHub.

    mysql versions

  • Missing categories

    Categories improve browsing of lib.rs and crates.io. Add categories = ["database"] to the Cargo.toml.

    Even if there are no categories that fit precisely, pick one that is least bad. You can also propose new categories in crates.io issue tracker.

    List of available categories

• simple_excel_writer

  • Dependency zip 0.5.13 is outdated

    Upgrade to 2.2.0 to get all the fixes, and avoid causing duplicate dependencies in projects.

    zip versions

  • Using outdated edition for no reason

    We estimate that this crate requires at least Rust 1.36, which is newer than the last 2015-edition compiler. You can upgrade without breaking any compatibility. Run cargo fix --edition and update edition="…" in Cargo.toml.

    Using the latest edition helps avoid old quirks of the compiler, and ensures Rust code has consistent syntax and behavior across all projects.

    The Edition Guide

If some of these crates are unmaintained and shouldn't be checked, yank them or add [badges.maintenance]
status = "deprecated" to their Cargo.toml.