rustc-ap-rustc_cratesio_shim 198.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 31f1bc7b40469b9319f1ba610ad8760ebd11c3da The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish