rustc-ap-rustc_cratesio_shim 438.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 99da733f7f38ce8fe68453e859b7ac96bf7caa0f The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish