[2015/08/06 09:25:01.173] [buildlogger:fallback] Encountered an error.
 [2015/08/06 09:25:01.174] Traceback (most recent call last):
 [2015/08/06 09:25:01.174]   File "C:\data\mci\src\buildscripts\resmokelib\logging\buildlogger.py", line 39, in wrapper
 [2015/08/06 09:25:01.174]     return func(*args, **kwargs)
 [2015/08/06 09:25:01.174]   File "C:\data\mci\src\buildscripts\resmokelib\logging\buildlogger.py", line 241, in _append_logs
 [2015/08/06 09:25:01.174]     response = self.post(endpoint, data=log_lines)
 [2015/08/06 09:25:01.174]   File "C:\data\mci\src\buildscripts\resmokelib\logging\buildlogger.py", line 181, in post
 [2015/08/06 09:25:01.174]     return self.http_handler.post(*args, **kwargs)
 [2015/08/06 09:25:01.174]   File "C:\data\mci\src\buildscripts\resmokelib\logging\handlers.py", line 162, in post
 [2015/08/06 09:25:01.174]     data = json.dumps(data, encoding="utf-8")
 [2015/08/06 09:25:01.174]   File "C:\Python27\lib\json\__init__.py", line 231, in dumps
 [2015/08/06 09:25:01.174]     return _default_encoder.encode(obj)
 [2015/08/06 09:25:01.174]   File "C:\Python27\lib\json\encoder.py", line 201, in encode
 [2015/08/06 09:25:01.174]     chunks = self.iterencode(o, _one_shot=True)
 [2015/08/06 09:25:01.174]   File "C:\Python27\lib\json\encoder.py", line 264, in iterencode
 [2015/08/06 09:25:01.174]     return _iterencode(o, 0)
 [2015/08/06 09:25:01.174] UnicodeDecodeError: 'utf8' codec can't decode bytes in position 341-342: invalid continuation byte
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:50.957+0000  m30999| 2015-08-06T13:24:50.957+0000 I SHARDING [conn1] ChunkManager: time to load chunks for db27.coll27: 0ms sequenceNumber: 128 version: 1|1||55c3602262805a927bec32e4 based on: (empty)
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:51.046+0000  m31100| 2015-08-06T13:24:50.958+0000 I SHARDING [conn55] remotely refreshing metadata for db27.coll27 with requested shard version 1|1||55c3602262805a927bec32e4, current shard version is 0|0||000000000000000000000000, current metadata version is 0|0||000000000000000000000000
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:51.046+0000  m31100| 2015-08-06T13:24:50.958+0000 I SHARDING [conn55] collection db27.coll27 was previously unsharded, new metadata loaded with shard version 1|1||55c3602262805a927bec32e4
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:51.046+0000  m31100| 2015-08-06T13:24:50.958+0000 I SHARDING [conn55] collection version was loaded at version 1|1||55c3602262805a927bec32e4, took 0ms
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:51.046+0000  m30999| 2015-08-06T13:24:50.959+0000 I SHARDING [conn1] about to log metadata event: { _id: "WIN-V15L7UKQ176-2015-08-06T13:24:50.959+0000-55c3602262805a927bec32e5", server: "WIN-V15L7UKQ176", clientAddr: "127.0.0.1:50705", time: new Date(1438867490959), what: "shardCollection", ns: "db27.coll27", details: { version: "1|1||55c3602262805a927bec32e4" } }
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:51.121+0000  m30999| 2015-08-06T13:24:51.122+0000 I SHARDING [conn1] distributed lock 'db27.coll27/WIN-V15L7UKQ176:30999:1438867184:41' unlocked.
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:51.122+0000  m30999| 2015-08-06T13:24:51.122+0000 I SHARDING [conn1] moving chunk ns: db27.coll27 moving ( ns: db27.coll27, shard: test-rs0, lastmod: 1|1||000000000000000000000000, min: { _id: 0 }, max: { _id: MaxKey }) test-rs0 -> test-rs1
 [2015/08/06 09:25:01.174] [buildlogger:fallback] [js_test:fsm_all_sharded_replication_legacy_config_servers] 2015-08-06T13:24:51.122+0000  m31100| 2015-08-06T13:24:51.123+0000 I SHARDING [conn79] moveChunk waiting for full cleanup after move
...