rustc-ap-rustc_cratesio_shim 316.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit c6fb01d62916afa0c489670b665a39d1fe903a4a The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish