All of the evergreen builds are broken, the informative section of the failure is:
[2017/09/08 12:38:05.388] In file included from /data/mci/b26488cef5a8f5b96174d8fa4a5e320a/mongo-cxx-driver/src/mongocxx/exception/private/mongoc_error.hh:19:0, [2017/09/08 12:38:05.388] from /data/mci/b26488cef5a8f5b96174d8fa4a5e320a/mongo-cxx-driver/src/mongocxx/bulk_write.cpp:22: [2017/09/08 12:38:05.388] /data/mci/b26488cef5a8f5b96174d8fa4a5e320a/mongo-cxx-driver/src/mongocxx/private/libmongoc.hh:51:63: error: ‘bool mongoc_collection_create_index(mongoc_collection_t*, const bson_t*, const mongoc_index_opt_t*, bson_error_t*)’ is deprecated (declared at /data/mci/b26488cef5a8f5b96174d8fa4a5e320a/mongoc/include/libmongoc-1.0/mongoc-collection.h:123) [-Werror=deprecated-declarations] [2017/09/08 12:38:05.388] #define MONGOCXX_LIBMONGOC_SYMBOL(name) constexpr auto name = mongoc_##name; [2017/09/08 12:38:05.388] ^ [2017/09/08 12:38:05.388] /data/mci/b26488cef5a8f5b96174d8fa4a5e320a/mongo-cxx-driver/src/mongocxx/private/libmongoc_symbols.hh:54:1: note: in expansion of macro ‘MONGOCXX_LIBMONGOC_SYMBOL’ [2017/09/08 12:38:05.388] MONGOCXX_LIBMONGOC_SYMBOL(collection_create_index) [2017/09/08 12:38:05.389] ^ [2017/09/08 12:38:05.756] cc1plus: error: unrecognized command line option "-Wno-expansion-to-defined" [-Werror] [2017/09/08 12:38:05.756] cc1plus: all warnings being treated as errors
should not be used, and instead the driver should use a raw command