rustc-ap-rustc_cratesio_shim 454.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit c7fcbfbf1fff2794de5ec6dcb0a052c345ded3a7 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish