Error While Installing Mongoose via npm

I'm not sure why I"m getting this error. Any ideas?

npm install mongoose --save

npm WARN package.json @ No description

npm WARN package.json @ No repository field.

npm WARN package.json @ No README data

'> kerberos@0.0.3 install /Users/joshk/Desktop/RefactorU/ajax/node_modules/mongoose/node_modules/mongodb/node_modules/kerberos

'> (node-gyp rebuild 2> builderror.log) || (exit 0)