rustc-ap-rustc_cratesio_shim 266.0.0

Automatically published version of the package `rustc_cratesio_shim` in the rust-lang/rust repository from commit d0787284da6e25a018f2f94fcd3779d33d6150fc The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish