99 except OSError:
100 log.error('Using multiprocessing.Queue raised an OSError.\n'
101 'This is probably caused by your system denying semaphore\n '
102 'usage. You should run these two commands:\n'
103 '\tsudo rmdir /dev/shm\n'
104 '\tsudo ln -Tsf /{run,dev}/shm\n'
105 '(See https://github.com/travis-ci/travis-core/issues/187\n '
106 'for more information about this bug.)\n')