rustc-ap-rustc_cratesio_shim 100.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit bd40cbbe1f42bfcc18a823dd46f584127f6578f2 Thie publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish