Failed install typhoon.
The following build commands failed:
CompileSwiftSources normal x86_64 com.apple.xcode.tools.swift.compiler
CompileSwift normal x86_64 /tmp/typhoon-20171006-14025-q05qy8/TyphoonSwift-0.0.1/Dependencies/Packages/SWXMLHash-3.0.2/Source/SWXMLHash.swift
(2 failures)