rustc-ap-rustc_cratesio_shim 161.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 2a0062974a5225847fc43d5522c4dc3718173fe5 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish