EXCEPTION (CommandException): 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\ArcanistPyFlakesLinter.php(35): execx('%C --version', Object(PhutilCommandString)) #3 C:\dev\phorge\arcanist\src\lint\linter\__tests__\ArcanistExternalLinterTestCase.php(7): ArcanistPyFlakesLinter->getVersion() #4 C:\dev\phorge\arcanist\src\unit\engine\phutil\PhutilTestCase.php(634): ArcanistExternalLinterTestCase->testVersion() #5 C:\dev\phorge\arcanist\src\unit\engine\PhutilUnitTestEngine.php(69): PhutilTestCase->run() #6 C:\dev\phorge\arcanist\src\unit\engine\ArcanistConfigurationDrivenUnitTestEngine.php(148): PhutilUnitTestEngine->run() #7 C:\dev\phorge\arcanist\src\workflow\ArcanistUnitWorkflow.php(170): ArcanistConfigurationDrivenUnitTestEngine->run() #8 C:\dev\phorge\arcanist\src\workflow\ArcanistDiffWorkflow.php(1231): ArcanistUnitWorkflow->run() #9 C:\dev\phorge\arcanist\src\workflow\ArcanistDiffWorkflow.php(1133): ArcanistDiffWorkflow->runUnit() #10 C:\dev\phorge\arcanist\src\workflow\ArcanistDiffWorkflow.php(363): ArcanistDiffWorkflow->runLintUnit() #11 C:\dev\phorge\arcanist\scripts\arcanist.php(427): ArcanistDiffWorkflow->run() #12 {main}