Intermittent RuntimeError: Gradle command returned error: -6 or 1 after Cannot allocate memory

[Archaeopteryx]

Log: https://treeherder.mozilla.org/logviewer.html#?job_id=310134511&repo=reference-browser

[task 2020-07-17T06:21:07.590Z] 2020-07-17 06:21:07,590 - INFO - Loading kinds [task 2020-07-17T06:21:07.690Z] 2020-07-17 06:21:07,690 - INFO - Generating full task set [task 2020-07-17T06:21:07.701Z] 2020-07-17 06:21:07,700 - INFO - Generated 1 tasks for kind bump [task 2020-07-17T06:21:07.724Z] 2020-07-17 06:21:07,724 - INFO - Generated 5 tasks for kind docker-image [task 2020-07-17T06:21:07.730Z] 2020-07-17 06:21:07,730 - INFO - Generated 1 tasks for kind fetch [task 2020-07-17T06:21:07.731Z] 2020-07-17 06:21:07,731 - INFO - Generated 1 tasks for kind geckoview [task 2020-07-17T06:21:07.901Z] 2020-07-17 06:21:07,901 - INFO - Generated 3 tasks for kind toolchain [task 2020-07-17T06:25:12.218Z] OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000fc200000, 6291456, 0) failed; error='Cannot allocate memory' (errno=12) [task 2020-07-17T06:27:07.168Z] 2020-07-17 06:27:07,119 - ERROR - Error loading tasks for kind build: [task 2020-07-17T06:27:07.171Z] Traceback (most recent call last): [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/generator.py", line 261, in _run [task 2020-07-17T06:27:07.171Z] new_tasks = kind.load_tasks(parameters, list(all_tasks.values())) [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/generator.py", line 75, in load_tasks [task 2020-07-17T06:27:07.171Z] for task_dict in transforms(trans_config, inputs)] [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 1126, in check_run_task_caches [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 1069, in check_task_dependencies [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 1057, in check_task_identifiers [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 1040, in chain_of_trust [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 1033, in add_github_checks [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 892, in build_task [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 860, in add_index_routes [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 826, in validate [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 814, in task_name_from_label [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 775, in set_defaults [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/task.py", line 754, in set_implementation [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/job/init.py", line 306, in make_task_description [task 2020-07-17T06:27:07.171Z] for job in jobs: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/job/init.py", line 202, in use_fetches [task 2020-07-17T06:27:07.171Z] for job in order_tasks(config, jobs): [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/cached_tasks.py", line 22, in order_tasks [task 2020-07-17T06:27:07.171Z] pending = deque(tasks) [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/job/init.py", line 157, in set_label [task 2020-07-17T06:27:07.171Z] for job in jobs: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/job/init.py", line 141, in set_implementation [task 2020-07-17T06:27:07.171Z] for job in jobs: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/job/init.py", line 121, in rewrite_when_to_optimization [task 2020-07-17T06:27:07.171Z] for job in jobs: [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/transforms/base.py", line 138, in call [task 2020-07-17T06:27:07.171Z] for task in tasks: [task 2020-07-17T06:27:07.171Z] File "taskcluster/rb_taskgraph/transforms/build_apk.py", line 23, in add_artifacts [task 2020-07-17T06:27:07.171Z] variant_config = get_build_variant(build_type) [task 2020-07-17T06:27:07.171Z] File "taskcluster/rb_taskgraph/gradle.py", line 14, in get_build_variant [task 2020-07-17T06:27:07.171Z] all_variants = _fetch_all_variants() [task 2020-07-17T06:27:07.171Z] File "/builds/worker/.local/lib/python2.7/site-packages/taskgraph/util/memoize.py", line 25, in call [task 2020-07-17T06:27:07.172Z] self[args] = self.func(*args) [task 2020-07-17T06:27:07.172Z] File "taskcluster/rb_taskgraph/gradle.py", line 32, in _fetch_all_variants [task 2020-07-17T06:27:07.172Z] output = _run_gradle_process('printVariants') [task 2020-07-17T06:27:07.172Z] File "taskcluster/rb_taskgraph/gradle.py", line 48, in _run_gradle_process [task 2020-07-17T06:27:07.172Z] raise RuntimeError("Gradle command returned error: {}".format(exit_code)) [task 2020-07-17T06:27:07.172Z] RuntimeError: Gradle command returned error: -6