On Android, STDERR seems to be open even its invoker closes it. http://rubyci.s3.amazonaws.com/android29-x86_64/ruby-master/log/20201001T014315Z.fail.html.gz ``` 1) Process.spawn closes STDERR in the child if :err => :close FAILED Expected (59840): "out\nrescued\n" but got: "out\n" ```
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