rustc-ap-rustc_cratesio_shim 475.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 15ccaf77911d9261d0c254be8a3e878db84792c6 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish