Investigate flaky test-worker-syntax-error-file

[Trott]

• Version: 11.0.0-pre (master)
• Platform: win10 vs2017
• Subsystem: test worker

https://ci.nodejs.org/job/node-test-binary-windows/19875/COMPILED_BY=vs2017,RUNNER=win10,RUN_SUBSET=3/console

01:14:51 not ok 518 parallel/test-worker-syntax-error-file
01:14:51   ---
01:14:51   duration_ms: 0.211
01:14:51   severity: fail
01:14:51   exitcode: 1
01:14:51   stack: |-
01:14:51     Mismatched <anonymous> function calls. Expected exactly 1, actual 0.
01:14:51         at Object.mustCall (c:\workspace\node-test-binary-windows\test\common\index.js:312:10)
01:14:51         at Object.<anonymous> (c:\workspace\node-test-binary-windows\test\parallel\test-worker-syntax-error-file.js:13:24)
01:14:51         at Module._compile (internal/modules/cjs/loader.js:689:30)
01:14:51         at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
01:14:51         at Module.load (internal/modules/cjs/loader.js:599:32)
01:14:51         at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
01:14:51         at Function.Module._load (internal/modules/cjs/loader.js:530:3)
01:14:51         at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)
01:14:51         at startup (internal/bootstrap/node.js:270:19)
01:14:51   ...

@nodejs/workers

[addaleax]

I have a hard time attempting to reproduce this… do people on @nodejs/platform-windows have more luck on Windows?

[bzoz]

Cannot reproduce on Win10

[joyeecheung]

Not exactly sure but this seems to be related:

Reason	parallel/test-worker-syntax-error
Type	JS_TEST_FAILURE
Failed PR	2 (#22843, #22239)
Appeared	test-azure_msft-win10-x64-3, test-rackspace-win2012r2-x64-1
First CI	https://ci.nodejs.org/job/node-test-pull-request/17202/
Last CI	https://ci.nodejs.org/job/node-test-pull-request/17215/

Example

not ok 521 parallel/test-worker-syntax-error
  ---
  duration_ms: 0.195
  severity: fail
  exitcode: 1
  stack: |-
    Mismatched <anonymous> function calls. Expected exactly 1, actual 0.
        at Object.mustCall (c:\workspace\node-test-binary-windows\test\common\index.js:310:10)
        at Object.<anonymous> (c:\workspace\node-test-binary-windows\test\parallel\test-worker-syntax-error.js:12:24)
        at Module._compile (internal/modules/cjs/loader.js:693:30)
        at Object.Module._extensions..js (internal/modules/cjs/loader.js:704:10)
        at Module.load (internal/modules/cjs/loader.js:603:32)
        at tryModuleLoad (internal/modules/cjs/loader.js:542:12)
        at Function.Module._load (internal/modules/cjs/loader.js:534:3)
        at Function.Module.runMain (internal/modules/cjs/loader.js:746:12)
        at startup (internal/bootstrap/node.js:270:19)
  ...

[Trott]

https://ci.nodejs.org/job/node-test-commit-linux/22621/nodes=centos7-64-gcc6/console

22:48:52 not ok 2016 parallel/test-worker-syntax-error-file
22:48:52   ---
22:48:52   duration_ms: 0.343
22:48:52   severity: fail
22:48:52   exitcode: 1
22:48:52   stack: |-
22:48:52     Mismatched <anonymous> function calls. Expected exactly 1, actual 0.
22:48:52         at Object.mustCall (/home/iojs/build/workspace/node-test-commit-linux/nodes/centos7-64-gcc6/test/common/index.js:306:10)
22:48:52         at Object.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/centos7-64-gcc6/test/parallel/test-worker-syntax-error-file.js:13:24)
22:48:52         at Module._compile (internal/modules/cjs/loader.js:707:30)
22:48:52         at Object.Module._extensions..js (internal/modules/cjs/loader.js:718:10)
22:48:52         at Module.load (internal/modules/cjs/loader.js:605:32)
22:48:52         at tryModuleLoad (internal/modules/cjs/loader.js:544:12)
22:48:52         at Function.Module._load (internal/modules/cjs/loader.js:536:3)
22:48:52         at Function.Module.runMain (internal/modules/cjs/loader.js:760:12)
22:48:52         at startup (internal/bootstrap/node.js:304:19)
22:48:52   ...

[refack]

AIX
https://ci.nodejs.org/job/node-test-commit-aix/nodes=aix61-ppc64/18988/
https://ci.nodejs.org/computer/test-osuosl-aix61-ppc64_be-2/

Mismatched <anonymous> function calls. Expected exactly 1, actual 0.
    at Object.mustCall (/home/iojs/build/workspace/node-test-commit-aix/nodes/aix61-ppc64/test/common/index.js:312:10)
    at Object.<anonymous> (/home/iojs/build/workspace/node-test-commit-aix/nodes/aix61-ppc64/test/parallel/test-worker-syntax-error.js:12:24)
    at Module._compile (internal/modules/cjs/loader.js:722:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:733:10)
    at Module.load (internal/modules/cjs/loader.js:620:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:560:12)
    at Function.Module._load (internal/modules/cjs/loader.js:552:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:775:12)
    at startup (internal/bootstrap/node.js:300:19)

[addaleax]

Couldn't reproduce this in 10000 runs on either x64 Linux or x64 Windows.