Declassed error to warning [skip hazardlib][demos]
Declassed error to warning [skip hazardlib][demos]


Former-commit-id: 0be1b25526c02e5961f7fa129e303d7d1451d54f [formerly 0be1b25526c02e5961f7fa129e303d7d1451d54f [formerly 8973807a14b56fed776e7dbbefe3ff166c273e2e]]
Former-commit-id: 7ef6b6c4af206db04ea83e16880a07a8edb376fb
Former-commit-id: 8e9cde0fe5aa917e1144892f06f59d764e57142f
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine