See https://github.com/google/oss-fuzz/pull/2419.
# helper.py is wrapped in script to trick it into thinking it's "interactive"
# See https://github.com/systemd/systemd/pull/12542#issuecomment-491563572
sudo script -e -c "./infra/helper.py build_fuzzers --clean --sanitizer=memory systemd $t"
-sudo script -e -c "./infra/helper.py check_build --sanitizer=memory systemd"
+sudo script -e -c "./infra/helper.py check_build --sanitizer=memory -e ALLOWED_BROKEN_TARGETS_PERCENTAGE=0 systemd"