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


Former-commit-id: 7746aa9f5e23390b6d1adb2b6850512718487618 [formerly f8bfb4f0fe4dbcf8aba41f11595044f8186b3ea0]
Former-commit-id: 6002284f9790a7787942e442e4ebd6150c0b056b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine