          va_start(argp, fmt);
          vfprintf(stderr, fmt, argp);
          va_end(argp);
---- serf/src/buckets/bwtp_buckets.c	2015-12-17 13:26:38.676327651 -0500
-+++ src/third_party/serf/instaweb_bwtp_buckets.c	2015-12-17 13:26:38.688327565 -0500
+--- serf/src/buckets/bwtp_buckets.c	2016-01-27 13:54:06.782312805 -0500
++++ src/third_party/serf/instaweb_bwtp_buckets.c	2016-01-27 13:54:06.794312723 -0500
 @@ -228,7 +228,8 @@
      req_len = apr_snprintf(ctx->req_line, sizeof(ctx->req_line),
                             "%s %d " "%" APR_UINT64_T_HEX_FMT " %s%s\r\n",

 apr_interval_time_t serf_connection_get_latency(serf_connection_t *conn)
 {
     if (conn->ctx->proxy_address) {
--- serf/src/buckets/ssl_buckets.c	2015-12-17 13:26:38.680327623 -0500
+++ src/third_party/serf/instaweb_ssl_buckets.c	2015-12-17 13:26:38.688327565 -0500
@@ -34,6 +34,12 @@
  * Originally developed by Aaron Bannert and Justin Erenkrantz, eBuilt.
  */

                            (ctx->open ? "OPEN " : ""),
                            ctx->phrase);
     new_bucket = serf_bucket_simple_copy_create(ctx->req_line, req_len,
--- serf/src/buckets/response_buckets.c	2016-01-27 13:54:06.786312776 -0500
+++ src/third_party/serf/instaweb_response_buckets.c	2016-01-27 13:54:06.794312723 -0500
@@ -273,41 +273,53 @@
             ctx->body =
                 serf_bucket_barrier_create(ctx->stream, bkt->allocator);
