DEBUG: Executable and tool checks: DEBUG: command 'git' in PATH: C:\b\s\w\ir\cipd_bin_packages\git.EXE DEBUG: command 'gclient' in PATH: C:\b\s\w\ir\kitchen-checkout\depot_tools\gclient.BAT DEBUG: flutter_bin (script definition): C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\flutter.bat (exists: True) DEBUG: dart_bin (script definition): C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\dart.bat (exists: True) DEBUG: flutter wrapper: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\flutter (exists: True) DEBUG: flutter.bat wrapper: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\flutter.bat (exists: True) DEBUG: dart wrapper: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\dart (exists: True) DEBUG: dart.bat wrapper: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\dart.bat (exists: True) DEBUG: cache dartsdk dart: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\cache\dart-sdk\bin\dart (exists: False) DEBUG: cache dartsdk dart.bat: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\cache\dart-sdk\bin\dart.bat (exists: False) DEBUG: dt.dart script: C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src\tool\bin\dt.dart (exists: True) DEBUG: Clearing flutter cache directory: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\cache DEBUG: Configuring git core.longpaths true in C:\b\s\w\ir\cache\builder\sdk\third_party\flutter DEBUG: Creating local git tag 3.46.0-0.0.pre in C:\b\s\w\ir\cache\builder\sdk\third_party\flutter DEBUG: Running flutter --version Checking Dart SDK version... Downloading Dart SDK from Flutter engine ... Expanding downloaded archive with PowerShell... Building flutter tool... Running pub upgrade... Resolving dependencies... Downloading packages... Got dependencies. Flutter 3.46.0-0.0.pre • channel [user-branch] • C:\b\s\w\ir\cache\git\dart.googlesource.com-external-github.com-flutter-flutter Framework • revision ad80825c24 (8 days ago) • 2026-07-05 14:06:22 -0400 Engine • hash a45874fa88521af7750ff249a7a24de4c4dcb898 (revision ad80825c24) (7 days ago) • 2026-07-05 18:06:22.000Z Tools • Dart 3.13.0 (build 3.13.0-272.0.dev) • DevTools 2.59.0 Running C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\flutter.bat pub get... [1/10] Material Fonts 350ms [2/10] Gradle Wrapper 96ms [3/10] Flutter SDK ├─ [1/5] sky_engine 140ms ├─ [2/5] flutter_gpu 44ms ├─ [3/5] flutter_patched_sdk 267ms ├─ [4/5] flutter_patched_sdk_product 230ms └─ [5/5] windows-x64 1,330ms [10/10] windows-x64/font-subset 141ms Resolving dependencies in `C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src`... Downloading packages... _fe_analyzer_shared 91.0.0 (105.0.0 available) analyzer 8.4.1 (14.1.0 available) build 4.0.6 (4.0.8 available) build_config 1.3.0 (1.3.1 available) build_daemon 4.1.1 (4.1.2 available) build_runner 2.15.0 (2.15.2 available) cli_util 0.4.2 (0.5.1 available) cross_file 0.3.5+2 (0.3.5+4 available) dart_style 3.1.3 (3.1.12 available) intl 0.19.0 (0.20.3 available) json_rpc_2 3.0.3 (4.1.0 available) meta 1.18.3 (1.19.0 available) mockito 5.6.4 (5.7.0 available) package_config 2.2.0 (3.0.0 available) protobuf 5.1.0 (6.0.0 available) test 1.31.1 (1.31.2 available) test_api 0.7.12 (0.7.13 available) test_core 0.6.18 (0.6.19 available) unified_analytics 7.0.2 (8.0.15 available) Got dependencies in `C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src`! 19 packages have newer versions incompatible with dependency constraints. Try `flutter pub outdated` for more information. Upgrading analysis_options.yaml to exclude build and platform directories. Upgrading analysis_options.yaml to exclude build and platform directories. Upgrading analysis_options.yaml to exclude build and platform directories. Changing directory to C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src Building DevTools web app using dt tool... Using Flutter SDK from C:\b\s\w\ir\cache\builder\sdk\third_party\flutter [build] updating tool/flutter-sdk to the latest flutter candidate > C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\dart.bat C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src\tool\bin\dt.dart update-flutter-sdk Using Flutter SDK from C:\b\s\w\ir\cache\builder\sdk\third_party\flutter Updating to Flutter version from cache: ad80825c24d770a19e33f67800fc0338a3b89ec7 Cloning Flutter into C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src\tool\flutter-sdk C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src\tool > git clone https://github.com/flutter/flutter flutter-sdk Cloning into 'flutter-sdk'... Updating files: 14% (2272/16073) Updating files: 15% (2411/16073) Updating files: 16% (2572/16073) Updating files: 17% (2733/16073) Updating files: 18% (2894/16073) Updating files: 19% (3054/16073) Updating files: 20% (3215/16073) Updating files: 21% (3376/16073) Updating files: 22% (3537/16073) Updating files: 23% (3697/16073) Updating files: 23% (3733/16073) Updating files: 24% (3858/16073) Updating files: 25% (4019/16073) Updating files: 26% (4179/16073) Updating files: 27% (4340/16073) Updating files: 28% (4501/16073) Updating files: 29% (4662/16073) Updating files: 30% (4822/16073) Updating files: 31% (4983/16073) Updating files: 32% (5144/16073) Updating files: 33% (5305/16073) Updating files: 34% (5465/16073) Updating files: 35% (5626/16073) Updating files: 36% (5787/16073) Updating files: 37% (5948/16073) Updating files: 38% (6108/16073) Updating files: 38% (6146/16073) Updating files: 39% (6269/16073) Updating files: 40% (6430/16073) Updating files: 41% (6590/16073) Updating files: 42% (6751/16073) Updating files: 43% (6912/16073) Updating files: 44% (7073/16073) Updating files: 45% (7233/16073) Updating files: 46% (7394/16073) Updating files: 47% (7555/16073) Updating files: 48% (7716/16073) Updating files: 49% (7876/16073) Updating files: 50% (8037/16073) Updating files: 51% (8198/16073) Updating files: 52% (8358/16073) Updating files: 52% (8469/16073) Updating files: 53% (8519/16073) Updating files: 54% (8680/16073) Updating files: 55% (8841/16073) Updating files: 56% (9001/16073) error: unable to create file engine/src/flutter/testing/ios_scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_clippath_with_transform_multiple_clips_impeller_iPhone SE (3rd generation)_26.2_simulator.png: Filename too long Updating files: 57% (9162/16073) error: unable to create file engine/src/flutter/testing/ios_scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_cliprect_with_transform_multiple_clips_impeller_iPhone SE (3rd generation)_26.2_simulator.png: Filename too long error: unable to create file engine/src/flutter/testing/ios_scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_cliprrect_with_transform_multiple_clips_impeller_iPhone SE (3rd generation)_26.2_simulator.png: Filename too long error: unable to create file engine/src/flutter/testing/ios_scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_large_cliprrect_with_transform_multiple_clips_impeller_iPhone SE (3rd generation)_26.2_simulator.png: Filename too long Updating files: 58% (9323/16073) Updating files: 59% (9484/16073) Updating files: 60% (9644/16073) Updating files: 61% (9805/16073) Updating files: 62% (9966/16073) Updating files: 63% (10126/16073) Updating files: 64% (10287/16073) Updating files: 65% (10448/16073) Updating files: 65% (10474/16073) Updating files: 66% (10609/16073) Updating files: 67% (10769/16073) Updating files: 68% (10930/16073) Updating files: 69% (11091/16073) Updating files: 70% (11252/16073) Updating files: 71% (11412/16073) Updating files: 72% (11573/16073) Updating files: 73% (11734/16073) Updating files: 74% (11895/16073) Updating files: 74% (12006/16073) Updating files: 75% (12055/16073) Updating files: 76% (12216/16073) Updating files: 77% (12377/16073) Updating files: 78% (12537/16073) Updating files: 79% (12698/16073) Updating files: 80% (12859/16073) Updating files: 81% (13020/16073) Updating files: 82% (13180/16073) Updating files: 83% (13341/16073) Updating files: 84% (13502/16073) Updating files: 85% (13663/16073) Updating files: 86% (13823/16073) Updating files: 86% (13838/16073) Updating files: 87% (13984/16073) Updating files: 88% (14145/16073) Updating files: 89% (14305/16073) Updating files: 90% (14466/16073) Updating files: 91% (14627/16073) Updating files: 92% (14788/16073) Updating files: 93% (14948/16073) Updating files: 94% (15109/16073) Updating files: 95% (15270/16073) Updating files: 96% (15431/16073) Updating files: 97% (15591/16073) Updating files: 98% (15752/16073) Updating files: 99% (15913/16073) Updating files: 99% (15919/16073) Updating files: 100% (16073/16073) Updating files: 100% (16073/16073), done. fatal: unable to checkout working tree warning: Clone succeeded, but checkout failed. You can inspect what was checked out with 'git status' and retry with 'git restore --source=HEAD :/' ProcessException: Failed with exit code: 128. Command: git clone https://github.com/flutter/flutter flutter-sdk #0 DevToolsProcessManagerExtension.runProcess (package:devtools_tool/utils.dart:152:7) #1 UpdateFlutterSdkCommand.run (package:devtools_tool/commands/update_flutter_sdk.dart:101:7) #2 CommandRunner.runCommand (package:args/command_runner.dart:212:13) #3 SharedStdIn.terminate (package:io/src/shared_stdin.dart:91:3) #4 main (file:///C:/b/s/w/ir/cache/builder/sdk/third_party/devtools_src/tool/bin/dt.dart:14:28) ProcessException: Failed with exit code: 1. Command: C:\b\s\w\ir\cache\builder\sdk\third_party\flutter\bin\dart.bat C:\b\s\w\ir\cache\builder\sdk\third_party\devtools_src\tool\bin\dt.dart update-flutter-sdk #0 DevToolsProcessManagerExtension.runProcess (package:devtools_tool/utils.dart:152:7) #1 BuildCommand.run (package:devtools_tool/commands/build.dart:80:7) #2 CommandRunner.runCommand (package:args/command_runner.dart:212:13) #3 SharedStdIn.terminate (package:io/src/shared_stdin.dart:91:3) #4 main (file:///C:/b/s/w/ir/cache/builder/sdk/third_party/devtools_src/tool/bin/dt.dart:14:28) Error: Command failed with exit code 1