In file included from C:/peacock/windows/windows/mingw-4/x86_64/include/libbson-1.0/bson-compat.h:38:0,
                 from C:/peacock/windows/windows/mingw-4/x86_64/include/libbson-1.0/bson.h:23,
                 from D:/compile/mongoc-1.8.1/src/mongoc/mongoc.h:22,
                 from D:\compile\mongoc-1.8.1\tests\test-mongoc-topology.c:1:
D:\compile\mongoc-1.8.1\tests\test-mongoc-topology.c: In function '_test_topology_invalidate_server':
D:\compile\mongoc-1.8.1\tests\test-mongoc-topology.c:347:32: error: 'mongoc_server_description_t' has no member named 'compressors'
    BSON_ASSERT (bson_empty (&sd->compressors));