Rust 1.58.0 pre-release testing

The 1.58.0 pre-release is ready for testing. The release is scheduled for this Thursday, January 13th. Release notes can be found here.

You can try it out locally by running:

RUSTUP_DIST_SERVER=https://dev-static.rust-lang.org rustup update stable

The index is https://dev-static.rust-lang.org/dist/2022-01-11/index.html. You can leave feedback on this thread.

The release team is also thinking about changes to our pre-release process: we'd love your feedback on this GitHub issue.

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