vapor build error: manifest parse error(s)
macOS Height Sierra 10.13.4
Xcode version 9.3
$ swift --version
Apple Swift version 4.1 (swiftlang-902.0.48 clang-902.0.37.1)
Target: x86_64-apple-darwin17.5.0
$ brew info vapor
vapor/tap/vapor: ...
stackoverflow.com