Understanding a LUCI build failure

3 out of 4 aggregated steps failed: Step('\n\n08:47 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:48 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:49 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:50 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:51 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:52 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:53 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:54 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:55 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:56 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:57 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:58 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n08:59 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n09:00 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n09:01 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n09:02 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n09:03 +19 ~1: test/integration.shard/deferred_components_test.dart: simple build appbundle missing golden fails \n') (canceled) (retcode: -15), Infra Failure: Step('Killing Processes.kill chrome') (canceled) (retcode: None), Infra Failure: Step('OS info (2)') (canceled) (retcode: None)
Pull request merged