rustc-ap-rustc_cratesio_shim 270.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit aefe9b099ab9ce41f2138dca79e4b3d75cc784a4 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish