Stack trace:
```
PHP Fatal error: Cannot use object of type DivinerArticleAtomizer as array in /core/lib/phabricator/src/applications/diviner/workflow/DivinerGenerateWorkflow.php on line 423
at [<phutil>/src/future/exec/ExecFuture.php:416]
libcore(), phutil(head=stable, ref.master=92882eb9404d, ref.stable=d266f8554c45)
#0 ExecFuture::resolvex() called at [<libcore>/workflow/host/CoreHostRestartWorkflow.php:216]
#1 CoreHostRestartWorkflow::restartDiviner(string) called at [<libcore>/workflow/host/CoreHostRestartWorkflow.php:44]
#2 CoreHostRestartWorkflow::restartInstance(string, PhutilArgumentParser, string) called at [<libcore>/workflow/host/CoreHostRestartWorkflow.php:26]
#3 CoreHostRestartWorkflow::execute(PhutilArgumentParser) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:406]
#4 PhutilArgumentParser::parseWorkflowsFull(array) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:301]
#5 PhutilArgumentParser::parseWorkflows(array) called at [/core/scripts/host.php:19]
```
Relevant snippet:
```
...
$atomizers = id(new PhutilClassMapQuery())
->setAncestorClass('DivinerAtomizer')
->execute();
$atomizer_versions = array();
foreach ($atomizers as $atomizer) {
$atomizer_versions[$atomizer['name']] = call_user_func(
...
```