This failure has been observed once on Linux X64 Open-only target.

There are error message related with escaped unicode characters. Please refer to the following test output. 

----------messages:(3/114)----------
command: shell ts.sh
reason: User specified action: run shell/timeout=600 ts.sh 
elapsed time (seconds): 3000.003
----------System.out:(3/96)----------
added manifest
adding: A(in = 8) (out= 10)(deflated -25%)
Timeout signalled after 3,000 seconds
----------System.err:(2/127)*----------
rm: cannot remove \u2018tsks\u2019: No such file or directory
rm: cannot remove \u2018old.jar\u2019: No such file or directory