Auto merge of #3338 - alexcrichton:correct-vers-flag, r=brson
authorbors <bors@rust-lang.org>
Fri, 2 Dec 2016 13:23:38 +0000 (13:23 +0000)
committerbors <bors@rust-lang.org>
Fri, 2 Dec 2016 13:23:38 +0000 (13:23 +0000)
commit787591c4e45d5f1fd14c18a200df1114d8e65861
tree14cb006582d916fe4e9dccf5ce887cac7e68930d
parent307a613fcc4661f278292f6db27906dfa04cda74
parentd91c9b405777cb6a70dd6d0393511dd4917cfefd
Auto merge of #3338 - alexcrichton:correct-vers-flag, r=brson

Require `cargo install --vers` takes a semver version

Historically Cargo accidentally took a semver version *requirement*, so let's
start issuing warnings about how this is now legacy behavior.

Closes #3321