[new_gallery_ios__transition_perf] [STDOUT] stdout: [        ] Application launched on the device. Waiting for observatory url.
[new_gallery_ios__transition_perf] [STDOUT] stderr: 
[new_gallery_ios__transition_perf] [STDOUT] stderr: Bad state: Cannot add new events after calling close
[new_gallery_ios__transition_perf] [STDOUT] stderr: #0      _BroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:243:24)
[new_gallery_ios__transition_perf] [STDOUT] stderr: #1      IOSDeviceLogReader.debuggerStream=.<anonymous closure> (package:flutter_tools/src/ios/devices.dart:719:41)
[new_gallery_ios__transition_perf] [STDOUT] stderr: #2      _rootRunUnary (dart:async/zone.dart:1434:47)
[new_gallery_ios__transition_perf] [STDOUT] stderr: #3      _CustomZone.runUnary (dart:async/zone.dart:1335:19)
[new_gallery_ios__transition_perf] [STDOUT] stderr: #4      _CustomZone.runUnaryGuarded (dart:async/zone.dart:1244:7)
[new_gallery_ios__transition_perf] [STDOUT] stderr: #5      _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:341:11)
...