Compile QtWebEngine error

[Qyee]

http://qt-project.org/wiki/QtWebEngineOnWindows

compile QtWebEngine on window8

when:

init-repository.py

this is an error:
Fatal: Disconnected: No supported authentication methods available (server sent: publickey)
Configuring git to ignore all submodules. Submodule changes will not show up in "git diff"!

someone can help me?

thanks !!! Amen