bors dc6a1d5304 Auto merge of #10000 - alexcrichton:upgrade-edition, r=Eh2406
Upgrade Cargo to the 2021 edition

While I was poking around in the manifests I also went ahead and removed the `authors` entries since at least the one for Cargo itself is quite outdated and Cargo otherwise doesn't use these any more.
2021-10-23 18:08:27 +00:00
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