rustc-ap-rustc_cratesio_shim 450.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 3d211248393686e0f73851fc7548f6605220fbe1 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish