rustc-ap-rustc_cratesio_shim 210.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 54628c8ea844956f3f4f416b82067c634eb09f7b The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish