There is an updated pull request by jcgruenhage against master on the void-packages repository

https://github.com/jcgruenhage/void-packages rust-1.64
https://github.com/void-linux/void-packages/pull/39673

rust: update to 1.64.0 [ci skip]
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#### Testing the changes
- I tested the changes in this PR: **briefly**


I still need to generate the distfiles, otherwise this looks good to me right now.
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A patch file from https://github.com/void-linux/void-packages/pull/39673.patch is attached