matrix-docker-ansible-deploy/roles/matrix-common-after/tasks/dump_runtime_results.yml

---
# Ansible outputs the message in the `item=` field.
# It's unnecessary to output it again in the actual message, so we don't.
- ansible.builtin.debug:
    msg: ""
  with_items: "{{ matrix_playbook_runtime_results }}"
  when: "matrix_playbook_runtime_results is defined and matrix_playbook_runtime_results | length > 0"