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


Former-commit-id: ec9f84d78c7a1e013fbb84afef104f62bbfa3f9f [formerly 3a75a3c892e5bee388c5a89f7ab25888037a91dc]
Former-commit-id: f7cf7a8f44336a8ba648123f4d603200947e5c56
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine