1639551 - Perma SM(cgc) line TypeError: a bytes-like object is required, not 'str'

Status: RESOLVED DUPLICATE of bug 1638567

(Core :: JavaScript Engine, defect)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

Spidermonkey Linux x64 debug cgc tasks always contain this line, even for tasks shows as successful: TypeError: a bytes-like object is required, not 'str'
https://treeherder.mozilla.org/logviewer.html#?job_id=302883162&repo=autoland

[task 2020-05-19T12:11:35.725Z] TEST-PASS | wasm/jsapi/table/grow.any.js | (args: "--dll /builds/worker/workspace/breakpad-tools/libbreakpadinjector.so") [0.5 s]
[task 2020-05-19T12:11:36.545Z] TEST-PASS | non262/Date/two-digit-years.js | (args: "--dll /builds/worker/workspace/breakpad-tools/libbreakpadinjector.so") [5.9 s]
[task 2020-05-19T12:11:36.837Z] make[1]: Leaving directory '/builds/worker/workspace/build/src/obj-spider/js/src'
[task 2020-05-19T12:11:36.838Z] in directory /builds/worker/workspace/build/src/obj-spider, running ['/builds/worker/workspace/build/src/obj-spider/_virtualenvs/init_py3/bin/python3', '/builds/worker/workspace/build/src/testing/mozbase/mozcrash/mozcrash/mozcrash.py', '/tmp', '/builds/worker/workspace/build/src/obj-spider/dist/crashreporter-symbols']
[task 2020-05-19T12:11:36.961Z] mozcrash WARNING | Found 18 dump files -- limited to 10!
[task 2020-05-19T12:11:36.961Z] mozcrash INFO | Copy/paste: /builds/worker/workspace/breakpad-tools/minidump_stackwalk /tmp/c8d5253c-13c9-4964-e12ac4be-e3739acf.dmp /builds/worker/workspace/build/src/obj-spider/dist/crashreporter-symbols
[task 2020-05-19T12:11:37.994Z] mozcrash checking /tmp for minidumps...
[task 2020-05-19T12:11:37.995Z] Traceback (most recent call last):
[task 2020-05-19T12:11:37.995Z] File "/builds/worker/workspace/build/src/testing/mozbase/mozcrash/mozcrash/mozcrash.py", line 677, in <module>
[task 2020-05-19T12:11:37.995Z] test_name=args.test_name)
[task 2020-05-19T12:11:37.995Z] File "/builds/worker/workspace/build/src/testing/mozbase/mozcrash/mozcrash/mozcrash.py", line 101, in check_for_crashes
[task 2020-05-19T12:11:37.995Z] for info in crash_info:
[task 2020-05-19T12:11:37.995Z] File "/builds/worker/workspace/build/src/testing/mozbase/mozcrash/mozcrash/mozcrash.py", line 260, in iter
[task 2020-05-19T12:11:37.995Z] rv = self._process_dump_file(path, extra)
[task 2020-05-19T12:11:37.995Z] File "/builds/worker/workspace/build/src/testing/mozbase/mozcrash/mozcrash/mozcrash.py", line 323, in _process_dump_file
[task 2020-05-19T12:11:37.995Z] if "(crashed)" in line:
[task 2020-05-19T12:11:37.995Z] TypeError: a bytes-like object is required, not 'str'
[task 2020-05-19T12:11:38.011Z] exit status 0 for '(make-nonempty)'
[task 2020-05-19T12:11:38.011Z] exit status 0 for 'make check'
[task 2020-05-19T12:11:38.011Z] exit status 0 for 'make check-jit-test'
[task 2020-05-19T12:11:38.011Z] exit status 0 for 'jsapi-tests'
[task 2020-05-19T12:11:38.011Z] exit status 0 for 'jstests'