rustc-ap-rustc_cratesio_shim 249.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 27e5457f3fa6c6e322e05352f0109f2cd511396c The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish