Ran my standard update script and got...
```
Applying patch 'phabricator:20150504.symbolsproject.1.php'...
Migrating symbols configuration for 'testtest' project...
[2015-05-18 10:17:58] EXCEPTION: (PhutilJSONParserException) Parse error on line 1 at column 0: Expected one of: 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '[' at [<phutil>/src/parser/PhutilJSONParser.php:32]
arcanist(head=master, ref.master=d0d2cf903cf9), phabricator(head=master, ref.master=021223907dfd), phutil(head=master, ref.master=3579382a847a)
#0 PhutilJSONParser::parse(string) called at [<phutil>/src/utils/utils.php:1062]
#1 phutil_json_decode(string) called at [<phabricator>/resources/sql/autopatches/20150504.symbolsproject.1.php:41]
#2 require_once(string) called at [<phabricator>/src/infrastructure/storage/management/PhabricatorStorageManagementAPI.php:226]
#3 PhabricatorStorageManagementAPI::applyPatchPHP(string) called at [<phabricator>/src/infrastructure/storage/management/PhabricatorStorageManagementAPI.php:191]
#4 PhabricatorStorageManagementAPI::applyPatch(PhabricatorStoragePatch) called at [<phabricator>/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementUpgradeWorkflow.php:177]
#5 PhabricatorStorageManagementUpgradeWorkflow::execute(PhutilArgumentParser) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:406]
#6 PhutilArgumentParser::parseWorkflowsFull(array) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:301]
#7 PhutilArgumentParser::parseWorkflows(array) called at [<phabricator>/scripts/sql/manage_storage.php:171]
```