AppVeyor CI system broken: Project file "tryCatchLog.Rproj" is not a valid MSBuild project file which must be an XML

[aryoda]

Build started
git clone -q --branch=master https://github.com/aryoda/tryCatchLog.git C:\projects\trycatchlog
git checkout -qf 39f6b02
Project file "tryCatchLog.Rproj" is not a valid MSBuild project file which must be an XML.