function onResponse( error, response, body ) {
			if ( eFLG ) {
				return;
			}
			debug( 'Response received for repository `%s` (%d).', repo, idx );
			if ( arguments.length === 1 ) {
				eFLG = true;
				debug( 'Encountered an application-level error for repository `%s` (%d): %s', repo, idx, error.message );
				return clbk( error );
			}
			if ( error ) {
				debug( 'Failed to resolve file for repository `%s` (%d): %s', repo, idx, error.message );
				out.failures[ repo ] = error.message;
				fcount += 1;
			} else {
				debug( 'Successfully resolved file for repository `%s` (%d).', repo, idx );
				out.data[ repo ] = body;
				scount += 1;
			}
			count += 1;
			debug( 'Request %d of %d complete.', count, len );
			next();
		}
Callback invoked upon receiving a request response.

@private
@param {(Error|null)} error - error object
@param {Object} response - HTTP response object
@param {string} body - response body
@returns {void}