Like I commented in #2043, I can't reproduce the weirdness from #1388 on either mac or linux (x84_64) and pushing to try gives all green.

That's 128 less bytes to have to keep in the stack for every call to __morestack.

Downgrade unreadable_literal to pedantic

As motivated by rust-lang#5418. This is the top most commonly suppressed Clippy style lint, which indicates that the community has decided they don't share Clippy's opinion on the best style of this.

I've left the lint in as pedantic, though it could be that "restriction" would be better -- I can see this lint being useful as an opt-in restriction in some codebases.

changelog: Remove unreadable_literal from default set of enabled lints

Downgrade new_ret_no_self to pedantic

As motivated by rust-lang#5418. This is the second most widely suppressed Clippy style lint, and [this grep.app search](https://grep.app/search?q=%5C%5Ballow%5C%28.%2Aclippy%3A%3Anew_ret_no_self%5Cb&regexp=true&case=true&filter[lang][0]=Rust) shows a large number of diverse reasonable signatures for a `new` method.

changelog: Remove new_ret_no_self from default set of enabled lints

compare with the second largest instead of the smallest variant

This should make the lint less noisy for now. See [my comment](rust-lang/rust-clippy#5418 (comment)) to issue rust-lang#5418.

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changelog: none