rustc-ap-rustc_cratesio_shim 418.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 93f5ba0ee5e49090d149e2a2df422901d538cbb7 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish