rustc-ap-rustc_cratesio_shim 288.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 8aa926729e68ef03316e81c9309b670a25e37b48 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish