rustc-ap-rustc_cratesio_shim 423.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 70a497a43794f0da5610c6da835ed3e02cd9af4d The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish