rustc-ap-rustc_cratesio_shim 516.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 0beb2ba16a08dfa01569b5f4644da315dc4c806c The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish