Crash while running flutter commands #69863
Description
Steps to Reproduce
Ran flutter upgrade --force
Logs
$ flutter upgrade --force
Upgrading Flutter from /Users/mit/dev/flutter...
Downloading Dart SDK from Flutter engine e66a720137d9e9c5f0d78439a025fea74f40b46b...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
0 177M 0 12564 0 0 20630 0 2:29:59 --:--:-- 2:29:59 20596
9 177M 9 16.6M 0 0 11.1M 0 0:00:15 0:00:01 0:00:14 11.1M
22 177M 22 39.9M 0 0 16.0M 0 0:00:11 0:00:02 0:00:09 16.0M
37 177M 37 66.3M 0 0 18.8M 0 0:00:09 0:00:03 0:00:06 18.8M
51 177M 51 92.0M 0 0 20.4M 0 0:00:08 0:00:04 0:00:04 20.4M
66 177M 66 117M 0 0 21.3M 0 0:00:08 0:00:05 0:00:03 23.9M
81 177M 81 144M 0 0 22.1M 0 0:00:07 0:00:06 0:00:01 25.4M
96 177M 96 170M 0 0 22.8M 0 0:00:07 0:00:07 --:--:-- 26.2M
100 177M 100 177M 0 0 22.9M 0 0:00:07 0:00:07 --:--:-- 26.3M
Building flutter tool...
Upgrading engine...
Downloading Android Maven dependencies... 749ms
Oops; flutter has exited unexpectedly: "NoSuchMethodError: The method '>=' was called on null.
Receiver: null
Tried calling: >=(4)".
Unable to generate crash report due to secondary error: NoSuchMethodError: The method '>=' was called on null.
Receiver: null
Tried calling: >=(4)
Please report a bug at https://github.com/flutter/flutter/issues.
Oops; flutter has exited unexpectedly: "NoSuchMethodError: The method '>=' was called on null.
Receiver: null
Tried calling: >=(4)".
Unable to generate crash report due to secondary error: NoSuchMethodError: The method '>=' was called on null.
Receiver: null
Tried calling: >=(4)
Please report a bug at https://github.com/flutter/flutter/issues.
Unhandled exception:
ProcessExit: 1
#0 _handleToolError (package:flutter_tools/runner.dart:170:7)
#1 _asyncErrorWrapperHelper.errorCallback (dart:async-patch/async_patch.dart:91:64)
#2 _rootRunBinary (dart:async/zone.dart:1214:47)
#3 _CustomZone.runBinary (dart:async/zone.dart:1107:19)
#4 _FutureListener.handleError (dart:async/future_impl.dart:157:20)
#5 Future._propagateToListeners.handleError (dart:async/future_impl.dart:708:47)
#6 Future._propagateToListeners (dart:async/future_impl.dart:729:24)
#7 Future._completeError (dart:async/future_impl.dart:537:5)
#8 _AsyncAwaitCompleter.completeError (dart:async-patch/async_patch.dart:47:15)
#9 _doctorText (package:flutter_tools/runner.dart)
#10 _asyncErrorWrapperHelper.errorCallback (dart:async-patch/async_patch.dart:91:64)
#11 _rootRunBinary (dart:async/zone.dart:1214:47)
#12 _CustomZone.runBinary (dart:async/zone.dart:1107:19)
#13 _FutureListener.handleError (dart:async/future_impl.dart:157:20)
#14 Future._propagateToListeners.handleError (dart:async/future_impl.dart:708:47)
#15 Future._propagateToListeners (dart:async/future_impl.dart:729:24)
#16 Future._completeError (dart:async/future_impl.dart:537:5)
#17 Future._asyncCompleteError.<anonymous closure> (dart:async/future_impl.dart:593:7)
#18 _rootRun (dart:async/zone.dart:1190:13)
#19 _CustomZone.run (dart:async/zone.dart:1093:19)
#20 _CustomZone.bindCallback.<anonymous closure> (dart:async/zone.dart:1021:23)
#21 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#22 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#23 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:120:13)
#24 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:404:11)
#25 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:428:5)
#26 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:184:12)
| ~/tmp/repro21 @ mit-macbookpro3 (mit)
$
After running it a second time I get:
$ flutter upgrade --force
Flutter is already up to date on channel master
Flutter 1.24.0-8.0.pre.96 • channel master • https://github.com/flutter/flutter.git
Framework • revision 4bd89b399e (8 minutes ago) • 2020-11-05 03:29:04 -0500
Engine • revision e66a720137
Tools • Dart 2.12.0 (build 2.12.0-21.0.dev)
| ~/tmp/repro21 @ mit-macbookpro3 (mit)