Travis failure in self-check

[jcollins-g]

Probably due to category changes in the SDK.

build-sdk-docs: Documented 19 public libraries in 577.0 seconds
build-sdk-docs: Success! Docs generated into /tmp/sdkdocsECABPW
validate-sdk-docs
  found index.html
  failed: expected 7 dart: index.html entries, found 0
GrinderException: expected 7 dart: index.html entries, found 0
#0      GrinderContext.fail (package:grinder/src/grinder_context.dart:39:5)
#1      fail (package:grinder/src/grinder_context.dart:54:38)
#2      validateSdkDocs (file:///home/travis/build/dart-lang/dartdoc/tool/grind.dart:911:5)
#3      _LocalLibraryMirror._invoke (dart:mirrors-patch/dart:mirrors/mirrors_impl.dart:1104)
#4      _LocalObjectMirror.invoke (dart:mirrors-patch/dart:mirrors/mirrors_impl.dart:230)
#5      TaskDiscovery.discoverDeclaration.<anon> (package:grinder/src/discover_tasks.dart:79:38)
#6      _rootRun (dart:async/zone.dart:1126)
#7      _CustomZone.run (dart:async/zone.dart:1023)
#8      _runZoned (dart:async/zone.dart:1518)
#9      runZoned (dart:async/zone.dart:1465)
#10     ZonedValue.withValue (package:grinder/src/utils.dart:112:12)
#11     GrinderTask.execute (package:grinder/src/grinder_task.dart:64:27)
#12     Grinder._invokeTask (package:grinder/src/grinder.dart:193:27)
#13     Grinder.start.<anon> (package:grinder/src/grinder.dart:168:16)
#14     Future.forEach.<anon> (dart:async/future.dart:484)
#15     Future.doWhile.<anon> (dart:async/future.dart:526)
#16     _RootZone.runUnaryGuarded (dart:async/zone.dart:1316)
#17     _RootZone.bindUnaryCallbackGuarded.<anon> (dart:async/zone.dart:1355)
#18     _RootZone.runUnary (dart:async/zone.dart:1381)
#19     _FutureListener.handleValue (dart:async/future_impl.dart:129)
#20     Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:638)
#21     Future._propagateToListeners (dart:async/future_impl.dart:667)
#22     Future._complete (dart:async/future_impl.dart:472)
#23     _SyncCompleter.complete (dart:async/future_impl.dart:51)
#24     _AsyncAwaitCompleter.complete (dart:async-patch/dart:async/async_patch.dart:28)
#25     _completeOnAsyncReturn (dart:async-patch/dart:async/async_patch.dart:292)
#26     buildSdkDocs (file:///home/travis/build/dart-lang/dartdoc/tool/grind.dart:186:1)
#27     _asyncThenWrapperHelper.<anon> (dart:async-patch/dart:async/async_patch.dart:77)
#28     _rootRunUnary (dart:async/zone.dart:1134)
#29     _CustomZone.runUnary (dart:async/zone.dart:1031)
#30     _FutureListener.handleValue (dart:async/future_impl.dart:129)
#31     Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:638)
#32     Future._propagateToListeners (dart:async/future_impl.dart:667)
#33     Future._complete (dart:async/future_impl.dart:472)
#34     _SyncCompleter.complete (dart:async/future_impl.dart:51)
#35     _AsyncAwaitCompleter.complete (dart:async-patch/dart:async/async_patch.dart:28)
#36     _completeOnAsyncReturn (dart:async-patch/dart:async/async_patch.dart:292)
#37     _buildSdkDocs (file:///home/travis/build/dart-lang/dartdoc/tool/grind.dart:337:3)
#38     _asyncThenWrapperHelper.<anon> (dart:async-patch/dart:async/async_patch.dart:77)
#39     _rootRunUnary (dart:async/zone.dart:1134)
#40     _CustomZone.runUnary (dart:async/zone.dart:1031)
#41     _FutureListener.handleValue (dart:async/future_impl.dart:129)
#42     Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:638)
#43     Future._propagateToListeners (dart:async/future_impl.dart:667)
#44     Future._complete (dart:async/future_impl.dart:472)
#45     _SyncCompleter.complete (dart:async/future_impl.dart:51)
#46     _AsyncAwaitCompleter.complete (dart:async-patch/dart:async/async_patch.dart:28)
#47     _completeOnAsyncReturn (dart:async-patch/dart:async/async_patch.dart:292)
#48     SubprocessLauncher.runStreamed (package:dartdoc/src/io_utils.dart:202:5)
The command "./tool/travis.sh" exited with 1.
cache.2
store build cache
0.01s
4.94snothing changed, not updating cache
Done. Your build exited with 1.