function onLint( error, results ) {
		if ( error ) {
			debug( 'Encountered an error when linting namespaces: %s', error.message );
			return done( error );
		}
		debug( 'Finished linting namespaces.' );
		debug( 'Found %d lint errors.', results.length );
		debug( 'Lint errors: %s', JSON.stringify( results ) );

		done( null, results );
	}
Callback invoked upon lint completion.

@private
@param {(Error|null)} error - error object
@param {(EmptyArray|ObjectArray)} results - lint errors
@returns {void}