rustc-ap-rustc_cratesio_shim 204.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 874dec25ed4c08d36f17d396b6872ca50313fc8e The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish