For people coming here through search engines, see #454 (comment)

gyp WARN EACCES user "root" does not have permission to access the dev dir "/home/travis/.node-gyp/0.10.28"

I'm filing this here because node-gyp is the only package that seems to throw this issue. My project depends on some modules which build with node-gyp, and I see this warning for every one of them during 'npm install'. Does anyone have insight on what this warning means?