Autograder [Mon Apr  6 07:53:15 2020]: Received job 11785-s20_hw4p1_32_ybelhe@andrew.cmu.edu:778
Autograder [Mon Apr  6 07:53:30 2020]: Success: Autodriver returned normally
Autograder [Mon Apr  6 07:53:30 2020]: Here is the output from the autograder:
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Autodriver: Job exited with status 2
tar -xzvf autograde.tar

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
make: *** [autograde] Error 2