Training run of 'pub' in the SDK build fails #40486
Description
The training run on 'pub' in the SDK build fails with the following error :
Closure: ([Object]) => void? from [email protected]_complete
'dart:async/future_impl.dart': Failed type check: line 117 pos 21: type '([Object]) => void?' is not a subtype of type '(dynamic?) => FutureOr<void?>' in type cast
To reproduce:
Patch in the CL https://dart-review.googlesource.com/c/sdk/+/134112 and build a full SDK using tools/build.py --nnbd create_sdk
Run "pub help <command>" for more information about a command.
See https://dart.dev/tools/pub/cmd for detailed documentation.
null
Closure: ([Object]) => void? from [email protected]_complete
'dart:async/future_impl.dart': Failed type check: line 117 pos 21: type '([Object]) => void?' is not a subtype of type '(dynamic?) => FutureOr<void?>' in type cast
Exception 'Instance of '_CastError'' thrown:
#0 _FutureListener._onValue (dart:async/future_impl.dart:117:21)
#1 _FutureListener.handleValue (dart:async/future_impl.dart:141:43)
#2 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:690:45)
#3 Future._propagateToListeners (dart:async/future_impl.dart:719:32)
#4 Future._completeWithValue (dart:async/future_impl.dart:529:5)
#5 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:561:7)
#6 _rootRun (dart:async/zone.dart:1134:13)
#7 _CustomZone.run (dart:async/zone.dart:1038:19)
#8 _CustomZone.runGuarded (dart:async/zone.dart:942:7)
#9 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:982:23)
#10 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#11 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#12 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:117:13)
#13 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:5)