rustc-ap-rustc_cratesio_shim 492.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 57e13e0325c1d41161a31de1f8520538ec2c575c The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish