rustc-ap-rustc_cratesio_shim 468.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit fe5f42cdb88d8ce31f746130099321e7c95e1ef0 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish