Merge pull request #117 from AnarchyTools/swift-preview-6

Swift preview 6
2 jobs for master in 5 minutes and 47 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #5042
autoscale-linux
linux

00:03:46

passed #5043
openswift xcodeselect8
osx

00:02:01