Trying to run polymer-cli with polymer-build branch print-analysis-warning

running.txt

merc@mercs-thinkpad:~/Development/playground/psk-test$ polymer build
warn:    "sourceGlobs" config option has been renamed to "sources" and will no longer be supported in future versions
warn:    "includeDependencies" config option has been renamed to "extraDependencies" and will no longer be supported in future versions
info:    Building application...
error:   cli runtime exception: TypeError: Can't call method on  undefined
error:   TypeError: Can't call method on  undefined
    at TypeError (native)
    at module.exports (/disk/local/lib/node_modules/polymer-cli/node_modules/polymer-build/node_modules/hydrolysis/node_modules/babel-polyfill/node_modules/core-js/modules/_defined.js:3:28)
    at module.exports (/disk/local/lib/node_modules/polymer-cli/node_modules/polymer-build/node_modules/hydrolysis/node_modules/babel-polyfill/node_modules/core-js/modules/_to-object.js:4:17)
    at Function.from (/disk/local/lib/node_modules/polymer-cli/node_modules/polymer-build/node_modules/hydrolysis/node_modules/babel-polyfill/node_modules/core-js/modules/es6.array.from.js:14:19)
    at new PrefetchTransform (/disk/local/lib/node_modules/polymer-cli/lib/build/prefetch.js:46:35)
    at /disk/local/lib/node_modules/polymer-cli/lib/build/build.js:62:57
    at new Promise (/disk/local/lib/node_modules/polymer-cli/node_modules/polymer-build/node_modules/hydrolysis/node_modules/babel-polyfill/node_modules/core-js/modules/es6.promise.js:191:7)
    at build (/disk/local/lib/node_modules/polymer-cli/lib/build/build.js:23:12)
    at BuildCommand.run (/disk/local/lib/node_modules/polymer-cli/lib/commands/build.js:59:16)
    at PolymerCli.run (/disk/local/lib/node_modules/polymer-cli/lib/polymer-cli.js:154:24)
merc@mercs-thinkpad:~/Development/playground/psk-test$