rdettai commented on pull request #6935:
URL: https://github.com/apache/arrow/pull/6935#issuecomment-633440680


   @maxburke thanks for reporting this. I cannot revert the merge myself, but I 
can try to understand where your error comes from. 
   - First, do your tests also crash if you decrease parallelism (`cargo test 
-- --test-threads=1`) ? It can happen that a benign change generates test 
crashes by changing the execution order. I had this problem with the tests in 
my previous PR (https://github.com/apache/arrow/pull/6949/files) and it was 
quite painful to identify ;-)
   - If your tests still fail with a smaller parallelism, can you give more 
details on what you are testing ? Are you reading parquet files ? Lots of 
columns ? ...


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