Recently, we\'ve upgraded to ESLint 3.0.0 and started to receive the following message running the grunt eslint task:
> $ grunt eslint
Running \"
Run the command ember init. When it asks for overwriting the existing file(s). Type n to skipping overwriting the file. Now it will automatically create required files like .eslintrc, etc.
For me the same issue occurred when i copied my folder except dist, dist_production and node_modules folder to another system and tried running ember build.