ios – Xcode服务器ibtool构建失败

构建似乎工作正常，但是在测试阶段挂起，并在日志的底部生成：

2015-11-25 14:44:45.650 xcodebuild[58280:821560]  iPhoneSimulator: D7097422-C058-44DB-A275-CE1A44B11023: Executable terminated at path: /Applications/Xcode7.1.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Xcode/Agents/xctest (status = 6)
Sampling process 58280 for 10 seconds with 1 millisecond of run time between samples
Sampling completed,processing symbols...
Sample analysis of process 58280 written to file /Library/Developer/XcodeServer/Integrations/Integration-269b1638e732255aefa82f1688077c72/58280.sample
sample[59879]: sample cannot find any existing process you have access to which has a name like 'Interface Builder Cocoa Touch Tool'; try running with `sudo`.
sample[59880]: sample cannot find any existing process you have access to which has a name like 'ibtool'; try running with `sudo`.
sample[59881]: sample cannot find any existing process you have access to which has a name like 'ibtoold'; try running with `sudo`.
** BUILD INTERRUPTED **

服务器正在运行OS X 10.10.5(不能升级到El Capitan)，OS X Server 5.5.15和许多Xcode版本，但已选择了Xcode 7.1(这是该服务器上可用的最新版本)。

有人以前见过这个，解决了吗？

This question连接到this question表示要有一个解决方案，但唉，他们没有帮助，似乎有一些不同的设置。所以是的，钥匙串已被解锁并可用于Xcode服务器，服务器已重新启动。