`Unable to spawn isolate` on `pub upgrade`

[zoechi]

Precompiling dependencies...
Loading source assets...
Loading angular2/transform/codegen, dart_to_js_script_rewriter, observe and smoke/src/default_transformer transformers...
Unable to spawn isolate: Unhandled exception:
Could not import "package:dart_style/dart_style.dart" from "package:angular2/transform/codegen.dart": Failure getting http://localhost:37270/packages/dart_style/dart_style.dart:
404 Not Found

0 _asyncLoadErrorCallback (dart:_builtin:162)

1 _asyncLoadError (dart:_builtin:573)

2 _handleLoaderReply (dart:_builtin:390)

3 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)

dart:isolate-patch/isolate_patch.dart Isolate.spawnUri.
dart:async-patch/async_patch.dart 34 _asyncErrorWrapperHelper.
dart:async/zone.dart 1142 _RootZone.runBinary
dart:async/future_impl.dart 579 _Future._propagateToListeners.handleError
dart:async/future_impl.dart 641 _Future._propagateToListeners
dart:async/future_impl.dart 432 _Future._completeError
dart:async/future_impl.dart 56 _SyncCompleter._completeError
dart:async/future_impl.dart 27 _Completer.completeError
dart:isolate-patch/isolate_patch.dart 439 Isolate._spawnCommon.
dart:isolate-patch/isolate_patch.dart 148 _RawReceivePortImpl._handleMessage

[zoechi]

Looks similar to #1379

[zoechi]

Dart VM version: 1.16.0-edge.149ad3a2e9a9d21e8f2ec14faf72aff9c5ccc83b (Tue Mar 15 01:40:34 2016) on "linux_x64"

[nex3]

Please post your pubspec and lockfile as well, and the full output of running pub upgrade --verbose.

[zoechi]

pub upgrade --verbose output
output.txt

[zoechi]

Didn't get this since a while.