I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is both distributed and dynamic, with no trusted parties.
According to Build times out because no output was received, we should carefully use travis_wait, as it may make the build unstable and extend the build time.
===================== If there are any inappropriate modifications in this PR, please give me a reply and I will change them.