[beta] Backports to beta#40600

Merged

bors merged 14 commits intorust-lang:betafrom

alexcrichton:beta-next

Mar 18, 2017

Commits on Mar 14, 2017

travis: Ensure cargo links libcurl statically
alexcrichton
committed

Commits on Mar 17, 2017

travis: Use `hide_output` in dist-powerpc64-linux
alexcrichton
committed
Target builds for older macOS

wagenet
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alexcrichton
committed
Make docs required again

brson
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alexcrichton
committed
Removes Default for Box<Path>.

Clar Charr
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alexcrichton
committed
Stabilize move_cell feature, closes #39264

aturon
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alexcrichton
committed
Stabilize expect_err feature, closes #39041

aturon
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alexcrichton
committed
Stabilize ptr_unaligned feature, closes #37955

aturon
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alexcrichton
committed
Stabilize process_abort feature, closes #37838

aturon
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alexcrichton
committed
Stabilize ptr_eq feature, closes #36497

aturon
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alexcrichton
committed
Stabilize btree_range, closes #27787

aturon
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alexcrichton
committed
Stabilize ordering_chaining, closes #37053

aturon
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alexcrichton
committed
Stabilize rc_raw feature, closes #37197

aturon
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alexcrichton
committed
Minor fixups to fix tidy errors
alexcrichton
committed