Better logging [skip CI]
Better logging [skip CI]


Former-commit-id: 9ac7f80a10cb8bb6d14174baaf517573f4519f54 [formerly 4c59f3804f49db511344d0b8fe35474edb5b8682]
Former-commit-id: 05468fa4d3e86d1b3fa4673be068d5b81ec15545
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine