plugman fails when installing plugins with windows framework references

npm install -g plugman
cordova create myapp
cd myapp
cordova platform add windows
cd ..
[ryan-testapp]plugman install --plugin cordova-plugin-vibration --project platforms/windows --platform windows
Fetching plugin "cordova-plugin-vibration" via npm
Error during processing of action! Attempting to revert...
Failed to install 'cordova-plugin-vibration':Error: Uh oh!
ENOENT: no such file or directory, open 'plugins/cordova-plugin-vibration/src/windows/Vibration/Vibration.csproj'
    at Error (native)
    at Object.fs.openSync (fs.js:549:18)
    at Object.fs.readFileSync (fs.js:397:15)
    at Object.module.exports.parseElementtreeSync (/Users/ryanw/dev/sandbox/testapp/platforms/windows/cordova/node_modules/cordova-common/src/util/xml-helpers.js:179:27)
    at Object.jsprojManager.addProjectReference (/Users/ryanw/dev/sandbox/testapp/platforms/windows/cordova/lib/JsprojManager.js:187:44)
    at handlers.framework.install (/Users/ryanw/dev/sandbox/testapp/platforms/windows/cordova/lib/PluginHandler.js:92:25)
    at Object.ActionStack.process (/Users/ryanw/dev/sandbox/testapp/platforms/windows/cordova/node_modules/cordova-common/src/ActionStack.js:56:25)
    at PluginManager.doOperation (/Users/ryanw/dev/sandbox/testapp/platforms/windows/cordova/node_modules/cordova-common/src/PluginManager.js:117:20)
    at PluginManager.addPlugin (/Users/ryanw/dev/sandbox/testapp/platforms/windows/cordova/node_modules/cordova-common/src/PluginManager.js:147:17)
    at Api.addPlugin (/Users/ryanw/dev/sandbox/testapp/platforms/windows/cordova/Api.js:191:10)
Uh oh!
ENOENT: no such file or directory, open 'plugins/cordova-plugin-vibration/src/windows/Vibration/Vibration.csproj'