Is this a bug report?

Yes

Have you read the Contributing Guidelines?

Yes

Environment

Environment:
OS: Windows 10
Node: 6.11.3
Yarn: 1.0.2
npm: 3.10.10
Watchman: Not Found
Xcode: N/A
Android Studio: Not Found

Packages: (wanted => installed)
react: 16.0.0 => 16.0.0
react-native: ^0.50.4 => 0.50.4

Target Platform: Android 6.0

Steps to Reproduce

When i use "react-native-git-upgrade",it happend.

Expected Behavior

react-native should be upgrade.

Actual Behavior

node_modules\babel-core\lib\transformation\file\logger.js:41
throw new Constructor(this._buildMessage(msg));
^

ReferenceError: [BABEL] C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\cliEntry.js: Unknown option: base.0. Ch
eck out http://babeljs.io/docs/usage/options/ for more information about options.

A common cause of this error is the presence of a configuration options object without the corresponding preset name. Example:

Invalid:
{ presets: [{option: value}] }
Valid:
{ presets: [['presetName', {option: value}]] }

For more detailed information on preset configuration, please see http://babeljs.io/docs/plugins/#pluginpresets-options.
at Logger.error (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-core\lib\transformation
\file\logger.js:41:11)
at OptionManager.mergeOptions (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-core\lib
transformation\file\options\option-manager.js:226:20)
at OptionManager.init (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-core\lib\transfor
mation\file\options\option-manager.js:368:12)
at File.initOptions (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-core\lib\transforma
tion\file\index.js:212:65)
at new File (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-core\lib\transformation\fil
e\index.js:135:24)
at Pipeline.transform (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-core\lib\transfor
mation\pipeline.js:46:16)
at Object.transformFileSync (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-core\lib\ap
i\node.js:152:10)
at compile (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-register\lib\node.js:118:20)
at loader (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade\node_modules\babel-register\lib\node.js:144:14)
at Object.require.extensions.(anonymous function) [as .js] (C:\Users\www\AppData\Roaming\npm\node_modules\react-native-git-upgrade
\node_modules\babel-register\lib\node.js:154:7)

Reproducible Demo

(Paste the link to an example project and exact instructions to reproduce the issue.)