return BuildActionResult.cancelled(payloadSerializer.serialize(result.getBuildFailure()));
            }
            return BuildActionResult.failed(payloadSerializer.serialize(result.getClientFailure()));
        }
    }

            return buildFailure;
        }

        /**
         * Returns the failure to send back to the client.
         */
        @Nullable
        public Throwable getClientFailure() {
            return clientFailure;
        }

        /**
         * Returns a copy of this result adding the given failures.
         */
        public Result addFailures(List<Throwable> failures) {