Seeing consistent error in failing tests:
https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8685148408316031633/+/u/run_run_debug_test_android/stdout
[2026-04-07 13:37:15.113188] [STDOUT] run:stderr: WARNING: Your Android app project: app located at: /opt/s/w/ir/x/w/rc/tmpp7i8mszm/flutter sdk/dev/integration_tests/ui/android/app/build.gradle
[2026-04-07 13:37:15.113943] [STDOUT] run:stderr: applies the Kotlin Gradle Plugin, which will cause build failures in future versions of Flutter.
[2026-04-07 13:37:15.113971] [STDOUT] run:stderr: Please migrate your app to Built-in Kotlin using this guide: [link here]
[2026-04-07 13:38:14.887467] [STDOUT] run:stdout: Application finished.
[2026-04-07 13:38:14.899425] [STDERR] Task failed: flutter run had unexpected output on standard error.
[2026-04-07 13:38:14.899458] [STDERR]
[2026-04-07 13:38:14.899462] [STDERR] Stack trace:
[2026-04-07 13:38:14.905394] [STDERR] package:flutter_devicelab/tasks/run_tests.dart 309:9 RunOutputTask.call.<fn>
[2026-04-07 13:38:14.905414] [STDERR] ===== asynchronous gap ===========================
[2026-04-07 13:38:14.905422] [STDERR] dart:async _CustomZone.registerBinaryCallback
[2026-04-07 13:38:14.905426] [STDERR] package:flutter_devicelab/framework/framework.dart 309:28 _TaskRunner._performTask.<fn>
[2026-04-07 13:38:14.905429] [STDERR] package:stack_trace Chain.capture
[2026-04-07 13:38:14.905432] [STDERR] package:flutter_devicelab/framework/framework.dart 307:11 _TaskRunner._performTask
[2026-04-07 13:38:14.905435] [STDERR] package:flutter_devicelab/framework/framework.dart 200:43 _TaskRunner.run
[2026-04-07 13:38:14.905438] [STDERR]
[2026-04-07 13:38:14.907063] [STDOUT] Checking for reboot
[run_debug_test_android] Process terminated with exit code 0.
Task result:
{
"success": false,
"reason": "Task failed: flutter run had unexpected output on standard error."
}
Seeing consistent error in failing tests:
https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8685148408316031633/+/u/run_run_debug_test_android/stdout