[beta] Rollup backports#56077

Closed

emilyalbini wants to merge 10 commits intorust-lang:betafrom

emilyalbini:beta-rollup

Commits on Nov 19, 2018

Add helpful logging statements.

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

davidtwco
authored and
emilyalbini
committed
Refactor and add `PlaceContext::AscribeUserTy`.

davidtwco
authored and
emilyalbini
committed
remove "approx env bounds" if we already know from trait

nikomatsakis
authored and
emilyalbini
committed
improve debug output related to bound calculation

nikomatsakis
authored and
emilyalbini
committed
handle trait objects formed from traits with `Self::Foo: 'a` clauses

nikomatsakis
authored and
emilyalbini
committed
Rewrite `...` as `..=` as a MachineApplicable 2018 idiom lint

varkor
authored and
emilyalbini
committed
Use non-short suggestion for parenthesised ..=

varkor
authored and
emilyalbini
committed
don't inline `pub use some_crate` unless directly asked to

QuietMisdreavus
authored and
emilyalbini
committed
Increase `Duration` approximate equal threshold to 1us

alexcrichton
authored and
emilyalbini
committed