Auto merge of #5093 - alexcrichton:include-cargo-lock, r=matklad
authorbors <bors@rust-lang.org>
Wed, 28 Feb 2018 22:07:53 +0000 (22:07 +0000)
committerbors <bors@rust-lang.org>
Wed, 28 Feb 2018 22:07:53 +0000 (22:07 +0000)
Package lock files in published crates

Previously we had logic to explicitly skip lock files but there's actually a
good case to read these from crates.io (#2263) so let's do so!

Closes #2263


Trivial merge