rustc-ap-rustc_cratesio_shim 209.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 45b48b9b6d70065a16cc119fe934ed342c664c78 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish