THreadpool, stop not before the queue is empty

1 job for debug_build
latest
Status Job ID Name Coverage
  Build
failed #4249
libpgrep

00:01:22

 
Name Stage Failure
failed
libpgrep Build There is an unknown failure, please try again
[100%] Built target StringMatcher_unittest
$ LD_LIBRARY_PATH=lib/ ~/pdmkp_testing/utils/run_tests.sh ~/pdmkp_testing/tests
[==========] Running 54 tests from 4 test cases.
[----------] Global test environment set-up.
[----------] 1 test from Simple
[ RUN ] Simple.EQ
/home/gitlab-runner/pdmkp_testing/out/Default/run_tests: symbol lookup error: /home/gitlab-runner/pdmkp_testing/out/Default/run_tests: undefined symbol: _Z12matchStringsSsSt6vectorIPKSsSaIS1_EEb

ERROR: Build failed: exit status 1