No, it's not bug 1758161 (though I'm seeing that one, too). I'm simply not seeing anything in the console window on Windows. My guess would be some sort of issue with how child process's console/debug output is handled on Windows.
Bug 1894458 Comment 2 Edit History
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No, it's not bug 1758161 (though I'm seeing that one, too). I'm simply not seeing anything that's not from the parent process in the console window on Windows. My guess would be some sort of issue with how child process's console/debug output is handled on Windows.