我在我的Swift项目中使用Circle CI，直到今天为止一切正常。我尽力解决了这个问题，但是没有解决。我收到有关pods的错误，却不知道为什么。

[!] Oh no,an error occurred.

Search for existing GitHub issues similar to yours:
https://github.com/Cocoapods/Cocoapods/search?q=%5BBug%5D+Failed+to+find+known+source+with+the+URL+%22trunk%22&type=Issues

If none exists,create a ticket,with the template displayed above,on:
https://github.com/Cocoapods/Cocoapods/issues/new

Be sure to first read the contributing guide for details on how to properly submit a ticket:
https://github.com/Cocoapods/Cocoapods/blob/master/CONTRIBUTING.md

Don't forget to anonymize any private data!

Looking for related issues on cocoapods/cocoapods...
 - pod install returning error
   https://github.com/Cocoapods/Cocoapods/issues/2944 [closed] [3 comments]
   15 Dec 2014

Exited with code 1
CircleCI received exit code 1

我已经深入研究了这里提到的问题，但是无法解决。预先感谢。