rustc-ap-rustc_cratesio_shim 331.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit d8371c61e65a9287f89730956166aa20765c78c0 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish