rustc-ap-rustc_cratesio_shim 335.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 2fba17fc972f89fe9165fbed77d2f0ad6d3e2174 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish