I'm getting the following errors when using `./bin/repository parents` on a large repository:
```
Rebuilding "rGAF"...
Rebuilding branch "master"...
Found 83,751 total commit(s); updating...
[2014-05-30 13:35:32] EXCEPTION: (AphrontQueryDuplicateKeyException) #1062: Duplicate entry '1406057-1406055' for key 'key_child' at [/usr/src/libphutil/src/aphront/storage/connection/mysql/AphrontMySQLDatabaseConnectionBase.php:299]
#0 AphrontMySQLDatabaseConnectionBase::throwQueryCodeException(1062, Duplicate entry '1406057-1406055' for key 'key_child') called at [/usr/src/libphutil/src/aphront/storage/connection/mysql/AphrontMySQLDatabaseConnectionBase.php:278]
#1 AphrontMySQLDatabaseConnectionBase::throwQueryException(Object mysqli) called at [/usr/src/libphutil/src/aphront/storage/connection/mysql/AphrontMySQLDatabaseConnectionBase.php:184]
#2 AphrontMySQLDatabaseConnectionBase::executeRawQuery(INSERT INTO `repository_parents` (childCommitID, parentCommitID) VALUES (1406057, 1406055), (1406057, 1406055), (1406057, 1406056)) called at [/usr/src/libphutil/src/xsprintf/queryfx.php:9]
#3 queryfx(Object AphrontMySQLiDatabaseConnection, INSERT INTO %T (childCommitID, parentCommitID) VALUES %Q, repository_parents, (1406057, 1406055), (1406057, 1406055), (1406057, 1406056)) called at [/usr/src/phabricator/src/applications/repository/management/PhabricatorRepositoryManagementParentsWorkflow.php:151]
#4 PhabricatorRepositoryManagementParentsWorkflow::rebuildRepository(Object PhabricatorRepository) called at [/usr/src/phabricator/src/applications/repository/management/PhabricatorRepositoryManagementParentsWorkflow.php:43]
#5 PhabricatorRepositoryManagementParentsWorkflow::execute(Object PhutilArgumentParser) called at [/usr/src/libphutil/src/parser/argument/PhutilArgumentParser.php:396]
#6 PhutilArgumentParser::parseWorkflowsFull(Array of size 14 starting with: { PhabricatorRepositoryManagementCacheWorkflow => Object PhabricatorRepositoryManagementCacheWorkflow }) called at [/usr/src/libphutil/src/parser/argument/PhutilArgumentParser.php:292]
#7 PhutilArgumentParser::parseWorkflows(Array of size 14 starting with: { PhabricatorRepositoryManagementCacheWorkflow => Object PhabricatorRepositoryManagementCacheWorkflow }) called at [/usr/src/phabricator/scripts/repository/manage_repositories.php:22]
PHP Fatal error: Uncaught exception 'Exception' with message 'Process exited with an open transaction! The transaction will be implicitly rolled back. Calls to openTransaction() must always be paired with a call to saveTransaction() or killTransaction().' in /usr/src/libphutil/src/aphront/storage/connection/AphrontDatabaseTransactionState.php:71
Stack trace:
#0 [internal function]: AphrontDatabaseTransactionState->__destruct()
#1 {main}
thrown in /usr/src/libphutil/src/aphront/storage/connection/AphrontDatabaseTransactionState.php on line 71
Fatal error: Uncaught exception 'Exception' with message 'Process exited with an open transaction! The transaction will be implicitly rolled back. Calls to openTransaction() must always be paired with a call to saveTransaction() or killTransaction().' in /usr/src/libphutil/src/aphront/storage/connection/AphrontDatabaseTransactionState.php:71
Stack trace:
#0 [internal function]: AphrontDatabaseTransactionState->__destruct()
#1 {main}
thrown in /usr/src/libphutil/src/aphront/storage/connection/AphrontDatabaseTransactionState.php on line 71
```
Any thoughts?