Spawning tests in isolates resulted in the following errors:
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[runtime/tests/vm/dart/regress_39905_test.dart] error: [RangeError (length): Invalid value: Valid value range is empty: -1, #0 List.[] (dart:core-patch/growable_array.dart)
#1 List.removeLast (dart:core-patch/growable_array.dart:345:20)
#2 Iterable.iterableToFullString (dart:core/iterable.dart:907:24)
#3 ListBase.listToString (dart:collection/list.dart:556:20)
#4 List.toString (dart:core-patch/growable_array.dart:514:33)
#5 _StringBase._interpolate (dart:core-patch/string_patch.dart:906:19)
#6 main (file:///b/s/w/ir/cache/builder/sdk/runtime/tests/vm/dart/regress_39905_test.dart:17:43)
#7 wrapper2293.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/runtime/tests/concurrency/generated_stress_test.dart:50167:16)
#8 _rootRun (dart:async/zone_root.dart:35:13)
#9 _CustomZone.run (dart:async/zone.dart:726:19)
#10 _runZoned (dart:async/zone_api.dart:166:6)
#11 runZoned (dart:async/zone_api.dart:92:10)
#12 wrapper2293 (file:///b/s/w/ir/cache/builder/sdk/runtime/tests/concurrency/generated_stress_test.dart:50165:3)
#13 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:317:17)
#14 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:193:12)
]
[runtime/tests/vm/dart/regress_39905_test.dart] error: [RangeError (length): Invalid value: Valid value range is empty: -1, #0 List.[] (dart:core-patch/growable_array.dart)
#1 List.removeLast (dart:core-patch/growable_array.dart:345:20)
#2 Iterable.iterableToFullString (dart:core/iterable.dart:907:24)
#3 ListBase.listToString (dart:collection/list.dart:556:20)
#4 List.toString (dart:core-patch/growable_array.dart:514:33)
#5 _StringBase._interpolate (dart:core-patch/string_patch.dart:906:19)
#6 main (file:///b/s/w/ir/cache/builder/sdk/runtime/tests/vm/dart/regress_39905_test.dart:17:43)
#7 wrapper2293.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/runtime/tests/concurrency/generated_stress_test.dart:50167:16)
#8 _rootRun (dart:async/zone_root.dart:35:13)
#9 _CustomZone.run (dart:async/zone.dart:726:19)
#10 _runZoned (dart:async/zone_api.dart:166:6)
#11 runZoned (dart:async/zone_api.dart:92:10)
#12 wrapper2293 (file:///b/s/w/ir/cache/builder/sdk/runtime/tests/concurrency/generated_stress_test.dart:50165:3)
#13 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:317:17)
#14 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:193:12)
]
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-> Setting exitCode to 255
