#[markdown(off)]
Filed by: nerli [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=240744723&repo=mozilla-central

https://queue.taskcluster.net/v1/task/HoZZt1wLRAK_5kadiCWfmA/runs/0/artifacts/public/logs/live_backing.log

17:48:24 INFO - GECKO(2824) | WebGL(6DDCF000)::ForceLoseContext
17:48:24 INFO - GECKO(2824) | JavaScript error: http://mochi.test:8888/tests/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-utils.js, line 783: TypeError: Argument 1 of WebGL2RenderingContext.getUniformLocation is not an object.
17:53:30 INFO - TEST-INFO | started process screenshot
17:53:30 INFO - TEST-INFO | screenshot: exit 0
17:53:30 INFO - Buffered messages logged at 17:48:24
17:53:30 INFO - TEST-PASS | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__webgl_canvas__tex-3d-rgb5_a1-rgba-unsigned_short_5_5_5_1.html | A valid string reason is expected
17:53:30 INFO - TEST-PASS | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__webgl_canvas__tex-3d-rgb5_a1-rgba-unsigned_short_5_5_5_1.html | Reason cannot be empty
17:53:30 INFO - Buffered messages finished
17:53:30 INFO - TEST-UNEXPECTED-FAIL | dom/canvas/test/webgl-conf/generated/test_2_conformance2__textures__webgl_canvas__tex-3d-rgb5_a1-rgba-unsigned_short_5_5_5_1.html | Test timed out.
17:53:30 INFO - SimpleTest.ok@SimpleTest/SimpleTest.js:275:18
17:53:30 INFO - reportError@SimpleTest/TestRunner.js:121:22
17:53:30 INFO - TestRunner._checkForHangs@SimpleTest/TestRunner.js:142:7
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:163:5
17:53:30 INFO - TestRunner.runTests/<@SimpleTest/TestRunner.js:381:20
17:53:30 INFO - promise callback*TestRunner.runTests@SimpleTest/TestRunner.js:368:50
17:53:30 INFO - RunSet.runtests@SimpleTest/setup.js:201:14
17:53:30 INFO - RunSet.runall@SimpleTest/setup.js:180:12
17:53:30 INFO - hookupTests@SimpleTest/setup.js:273:12
17:53:30 INFO - parseTestManifest@http://mochi.test:8888/manifestLibrary.js:36:5
17:53:30 INFO - getTestManifest/req.onload@http://mochi.test:8888/manifestLibrary.js:49:11
17:53:30 INFO - EventHandlerNonNull*getTestManifest@http://mochi.test:8888/manifestLibrary.js:45:3
17:53:30 INFO - hookup@SimpleTest/setup.js:253:5
17:53:30 INFO - EventHandlerNonNull*@http://mochi.test:8888/tests?autorun=1&closeWhenDone=1&consoleLevel=INFO&manifestFile=tests.json&dumpOutputDirectory=c%3A%5Cusers%5Ctask_1555432579%5Cappdata%5Clocal%5Ctemp&cleanupCrashes=true:11:1
17:53:31 INFO - GECKO(2824) | MEMORY STAT | vsize 1443MB | vsizeMaxContiguous 8MB | residentFast 956MB | heapAllocated 567MB