npm 安装报错： sill doParallel

npm install
npm WARN deprecated babel-preset-es2015@6.24.1:   Thanks for using Babel: we recommend using babel-preset-env now: please read babeljs.io/env to update! 
npm WARN deprecated isparta-loader@2.0.0: Package is deprecated, use https://github.com/deepsweet/istanbul-instrumenter-loader
Killed         ....] \ extract:webpack-merge: sill doParallel extract 699