Gitlab SAST.gitlab-ci.yml on java project fails

We run the SAST scanner on our ci pipeline and get the below error. (CI_DEBUG_TRACE enabled)
Is there a way to see why the job failed or a known solution?
Gitlab EE 12.3.3, Java 11, Maven

CI pipeline excerpt

include:
  - template: SAST.gitlab-ci.yml  # https://gitlab.com/gitlab-org/gitlab-foss/blob/master/lib/gitlab/ci/templates/Security/SAST.gitlab-ci.yml

sast:
  variables:
    SAST_JAVA_VERSION: "11"

Error

[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  03:06 min
[INFO] Finished at: 2019-11-06T09:11:11Z
[INFO] ------------------------------------------------------------------------
Project built.

Error: SpotBugs analysis failed for /tmp/app: signal: killed

2019/11/06 09:15:21 signal: killed
2019/11/06 09:15:25 Container exited with non zero status code