rustc-ap-rustc_cratesio_shim 260.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit 0c6478998e2a0c33e46c951bd011ce367d6438ba The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish