[beta] Rollup backports#56077

Closed

pietroalbini wants to merge 10 commits intorust-lang:betafrom pietroalbini:beta-rollup

+626-233

Commits on Nov 19, 2018

Add helpful logging statements.

davidtwco
authored and
pietroalbini
committed
Test for cast causing static promotion failure.

davidtwco
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pietroalbini
committed
Refactor and add PlaceContext::AscribeUserTy.

davidtwco
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pietroalbini
committed
remove "approx env bounds" if we already know from trait

nikomatsakis
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pietroalbini
committed
improve debug output related to bound calculation

nikomatsakis
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pietroalbini
committed
handle trait objects formed from traits with Self::Foo: 'a clauses

nikomatsakis
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pietroalbini
committed
Rewrite ... as ..= as a MachineApplicable 2018 idiom lint

varkor
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pietroalbini
committed
Use non-short suggestion for parenthesised ..=

varkor
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pietroalbini
committed
don't inline pub use some_crate unless directly asked to

QuietMisdreavus
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pietroalbini
committed
Increase Duration approximate equal threshold to 1us

alexcrichton
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pietroalbini
committed