Auto merge of #5567 - alexcrichton:beta-next, r=alexcrichton
authorbors <bors@rust-lang.org>
Fri, 25 May 2018 01:05:31 +0000 (01:05 +0000)
committerbors <bors@rust-lang.org>
Fri, 25 May 2018 01:05:31 +0000 (01:05 +0000)
[beta] Copy `--all-features` request to all workspace members

Backport of https://github.com/rust-lang/cargo/pull/5556


Trivial merge