rustc-ap-rustc_cratesio_shim 403.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 26b4cb48484382032522384318e70ceb0fbc4a41 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish