Rust 1.58.0 released

Version1.58.0 of the Rust programming language is available.

Rust 1.58 brings captured identifiers in format strings, a changeto the Command search path on Windows, more#[must_use] annotations in the standard library, and somenew library stabilizations.

More information on "captured identifiers" (the ability to use in-scopevariables directly in format strings) can be found on this page.