Assertion failed, expected values to be equal (at ArcanistLinterTestCase.php:180): Command failed with error #1! COMMAND "" --version STDOUT (empty) STDERR Call to "proc_open()" to open a subprocess failed: proc_open(): CreateProcess failed, error code - 87 #0 C:\dev\phorge\arcanist\src\future\exec\ExecFuture.php(340): ExecFuture->raiseResultError(Array) #1 C:\dev\phorge\arcanist\src\future\exec\execx.php(17): ExecFuture->resolvex() #2 C:\dev\phorge\arcanist\src\lint\linter\ArcanistFlake8Linter.php(37): execx('%C --version', Object(PhutilCommandString)) #3 C:\dev\phorge\arcanist\src\lint\linter\ArcanistExternalLinter.php(396): ArcanistFlake8Linter->getVersion() #4 C:\dev\phorge\arcanist\src\lint\engine\ArcanistLintEngine.php(185): ArcanistExternalLinter->getCacheVersion() #5 C:\dev\phorge\arcanist\src\lint\linter\__tests__\ArcanistLinterTestCase.php(138): ArcanistLintEngine->run() #6 C:\dev\phorge\arcanist\src\lint\linter\__tests__\ArcanistLinterTestCase.php(39): ArcanistLinterTestCase->lintFile('C:\\dev\\phorge\\a...', Object(ArcanistFlake8Linter)) #7 C:\dev\phorge\arcanist\src\lint\linter\__tests__\ArcanistFlake8LinterTestCase.php(7): ArcanistLinterTestCase->executeTestsInDirectory('C:\\dev\\phorge\\a...') #8 C:\dev\phorge\arcanist\src\unit\engine\phutil\PhutilTestCase.php(634): ArcanistFlake8LinterTestCase->testLinter() #9 C:\dev\phorge\arcanist\src\unit\engine\PhutilUnitTestEngine.php(69): PhutilTestCase->run() #10 C:\dev\phorge\arcanist\src\unit\engine\ArcanistConfigurationDrivenUnitTestEngine.php(148): PhutilUnitTestEngine->run() #11 C:\dev\phorge\arcanist\src\workflow\ArcanistUnitWorkflow.php(170): ArcanistConfigurationDrivenUnitTestEngine->run() #12 C:\dev\phorge\arcanist\src\workflow\ArcanistDiffWorkflow.php(1231): ArcanistUnitWorkflow->run() #13 C:\dev\phorge\arcanist\src\workflow\ArcanistDiffWorkflow.php(1133): ArcanistDiffWorkflow->runUnit() #14 C:\dev\phorge\arcanist\src\workflow\ArcanistDiffWorkflow.php(363): ArcanistDiffWorkflow->runLintUnit() #15 C:\dev\phorge\arcanist\scripts\arcanist.php(427): ArcanistDiffWorkflow->run() #16 {main} Expected: false Actual: true