/usr/bin/retesteth -t BlockchainTests/Pyspecs/merge -- --clients t8ntool --filltests --forceupdate -j1 --nologcolor --exectimelog --testpath /tests 
Running tests using path: /tests
Running 1 test case...
Options path `/root/.retesteth` doesn't exist, attempt to create a new directory
Retesteth config path: /root/.retesteth
Active client configurations: 't8ntool '
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "security": (1 of 1)
100%
Generate Python test: test_selfdestruct_balance_bug
/root/.retesteth/pyspecsStart.sh: line 23: uuidgen: command not found
fill -v ./tests/tmp/tmptest_/test_selfdestruct_balance_bug.py --output ./tests/tmp/out_  --force-refill --evm-bin /root/.retesteth/t8ntool/start.sh --flat-output --disable-hive --from=Frontier --until=Shanghai
ERROR: usage: fill [options] [file_or_dir] [file_or_dir] [...]
fill: error: unrecognized arguments: --force-refill
  inifile: /execution-spec-tests/pytest.ini
  rootdir: /execution-spec-tests

cp: cannot stat './tests/tmp/out_/*': No such file or directory
Tests finished: 1

*** No errors detected
security time: 8.79, cputime: 0.04 (0%), t8ntime: 0.62 (7%)
*** Total Tests Run: 8

*** Execution time stats
Total Time:                               : 8.79            :    0.04 (0%)              :    0.62 (7%)
security                              time: 8.79     cputime:    0.04 (0%)       t8ntime:    0.62 (7%)