This is blocking release, I believe it's due to:

src: Remove unused Dtrace probes. #694

https://jenkins-iojs.nodesource.com/job/iojs+any-pr+multi/145/nodes=iojs-win2012r2/console

@thekemkid @bnoordhuis please address this, it'll hold up 1.1.0.