rustc-ap-rustc_cratesio_shim 456.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 96ee0ba59e12f5350e799ba724a58fd488a739f2 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish