rustc-ap-rustc_cratesio_shim 344.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit aea9f0aa976db2f5de28be3b6b287c6889cd926b The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish