Filed by: rmaries [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=295957594&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/S3KH2m12SKOVsVEbLhwrAg/runs/0/artifacts/public/logs/live_backing.log

[task 2020-04-02T17:26:38.926Z] 17:26:38 INFO - TEST-START | xpcshell.ini:toolkit/mozapps/extensions/test/xpcshell/test_sideload_scopes.js
[task 2020-04-02T17:26:42.699Z] 17:26:42 INFO - PID 6440 | JavaScript error: resource://services-settings/Database.jsm, line 524: TypeError: gPendingWriteOperations.map is not a function
[task 2020-04-02T17:26:42.699Z] 17:26:42 INFO - PID 6440 | JavaScript error: resource://services-settings/Database.jsm, line 509: InvalidStateError: A mutation operation was attempted on a database that did not allow mutations.
[task 2020-04-02T17:26:42.699Z] 17:26:42 INFO - "CONSOLE_MESSAGE: (error) [JavaScript Error: "TypeError: gPendingWriteOperations.map is not a function" {file: "resource://services-settings/Database.jsm" line: 524}]"
[task 2020-04-02T17:26:42.699Z] 17:26:42 INFO - "CONSOLE_MESSAGE: (error) [JavaScript Error: "InvalidStateError: A mutation operation was attempted on a database that did not allow mutations." {file: "resource://services-settings/Database.jsm" line: 509}]"
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - PID 6440 | [6440, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x80004005: file /builds/worker/checkouts/gecko/extensions/permissions/nsPermissionManager.cpp, line 1663
[task 2020-04-02T17:26:42.700Z] 17:26:42 WARNING - TEST-UNEXPECTED-FAIL | xpcshell.ini:toolkit/mozapps/extensions/test/xpcshell/test_sideload_scopes.js | test_sideload_uninstall - [test_sideload_uninstall : 265] A promise chain failed to handle a rejection: gPendingWriteOperations.map is not a function - stack: fetchState@resource://services-settings/Database.jsm:524:40
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - safeGetState@resource://gre/modules/AsyncShutdown.jsm:236:17
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - Barrier/addBlocker/promise<@resource://gre/modules/AsyncShutdown.jsm:745:20
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - observe@resource://gre/modules/AsyncShutdown.jsm:554:16
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - _execute_test@Z:\task_1585845268\build\tests\xpcshell\head.js:660:19
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - @-e:1:1
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - Rejection date: Thu Apr 02 2020 17:26:41 GMT+0000 (Greenwich Mean Time) - false == true
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:265
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - Z:\task_1585845268\build\tests\xpcshell\head.js:_execute_test:668
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - -e:null:1
[task 2020-04-02T17:26:42.700Z] 17:26:42 INFO - exiting test