mkdir -Force $env:APPVEYOR_BUILD_FOLDER\work\build\$env:APPVEYOR_PROJECT_NAME
cd $env:APPVEYOR_BUILD_FOLDER\work\build\$env:APPVEYOR_PROJECT_NAME
mkdir -Force $env:APPVEYOR_BUILD_FOLDER\work\build\$env:APPVEYOR_PROJECT_NAME
cd $env:APPVEYOR_BUILD_FOLDER\work\build\$env:APPVEYOR_PROJECT_NAME