system-tests: Prevent out of order prints to stderr #34
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If we get a new tokio::io::stderr() every time the output can be scrambled because multiple threads try to output it at the same time. Therefore, only use one stderr instance to keep the output in order.
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If we get a new tokio::io::stderr() every time the output can be scrambled because multiple threads try to output it at the same time.
Therefore, only use one stderr instance to keep the output in order.