[2016/07/19 18:43:06.482] src/mongoc/mongoc-async.c:126:26: warning: Access to field 'expire_at' results in a dereference of a null pointer (loaded from field 'cmds')
 [2016/07/19 18:43:06.482]          timeout_msec = (async->cmds->expire_at - now) / 1000;
 [2016/07/19 18:43:06.482]                          ^~~~~~~~~~~~~~~~~~~~~~
 [2016/07/19 18:43:06.482] 1 warning generated.

 [2016/07/19 18:43:02.121] examples/bson-streaming-reader.c:173:14: warning: Potential leak of memory pointed to by 'hostname'
 [2016/07/19 18:43:02.121]       return EXIT_FAILURE;
 [2016/07/19 18:43:02.121]              ^~~~~~~~~~~~
 [2016/07/19 18:43:02.121] /usr/include/stdlib.h:133:22: note: expanded from macro 'EXIT_FAILURE'
 [2016/07/19 18:43:02.121] #define EXIT_FAILURE    1       /* Failing exit status.  */
 [2016/07/19 18:43:02.121]                         ^
 [2016/07/19 18:43:02.121] examples/bson-streaming-reader.c:173:14: warning: Potential leak of memory pointed to by 'port'
 [2016/07/19 18:43:02.121]       return EXIT_FAILURE;
 [2016/07/19 18:43:02.121]              ^~~~~~~~~~~~
 [2016/07/19 18:43:02.121] /usr/include/stdlib.h:133:22: note: expanded from macro 'EXIT_FAILURE'
 [2016/07/19 18:43:02.121] #define EXIT_FAILURE    1       /* Failing exit status.  */
 [2016/07/19 18:43:02.121]                         ^
 [2016/07/19 18:43:02.121] 2 warnings generated.

 [2016/07/19 18:43:37.413] src/mongoc/mongoc-gridfs-file.c:836:17: warning: Function call argument is an uninitialized value
 [2016/07/19 18:43:37.413]    file->page = _mongoc_gridfs_file_page_new (data, len, file->chunk_size);
 [2016/07/19 18:43:37.413]                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 [2016/07/19 18:43:37.413] 1 warning generated.

 [2016/07/19 18:44:37.844] src/mongoc/mongoc-openssl.c:319:13: warning: Value stored to 'idx' is never read
 [2016/07/19 18:44:37.844]             idx = -1;
 [2016/07/19 18:44:37.844]             ^     ~~
 [2016/07/19 18:44:37.844] 1 warning generated.

 [2016/07/19 18:46:35.956] tests/mock_server/mock-server.c:1258:7: warning: Value stored to 'r' is never read
 [2016/07/19 18:46:35.956]       r = bson_init_from_json (&doc, "{}", -1, &error);
 [2016/07/19 18:46:35.956]       ^   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 [2016/07/19 18:46:35.956] 1 warning generated.

 [2016/07/19 18:46:53.397] tests/test-mongoc-metadata.c:75:4: warning: Value stored to 'pool' is never read
 [2016/07/19 18:46:53.397]    pool = mongoc_client_pool_new (uri);
 [2016/07/19 18:46:53.397]    ^      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 [2016/07/19 18:46:53.397] 1 warning generated.