我正在将当前堆栈迁移到Teamcity，而sonarqube构建步骤突然失败并显示以下输出：
[09:56:54][Step 2/3] 09:56:54.862 INFO - Sensor SCM Sensor
[09:56:54][Step 2/3] 09:56:54.872 INFO - SCM provider for this project is: hg
<analysis>
[09:58:28][Step 2/3] 09:58:28.921 INFO - 1197/1831 files analyzed
[09:58:28][Step 2/3] 09:58:28.921 WARN - Missing blame information for the following files:
[09:58:28][Step 2/3] 09:58:28.921 WARN - * <list of paths>
...
[09:58:29][Step 2/3] 09:58:29.024 WARN - This may lead to missing/broken features in SonarQube
[09:58:30][Step 2/3] INFO: ------------------------------------------------------------------------
[09:58:30][Step 2/3] INFO: EXECUTION FAILURE
[09:58:30][Step 2/3] INFO: ------------------------------------------------------------------------
[09:58:30][Step 2/3] Total time: 3:27.871s
[09:58:30][Step 2/3] Final Memory: 18M/161M
[09:58:30][Step 2/3] INFO: ------------------------------------------------------------------------
[09:58:30][Step 2/3] ERROR: Error during Sonar runner execution
[09:58:30][Step 2/3] ERROR: Unable to execute Sonar
[09:58:30][Step 2/3] ERROR: Caused by: -1
[09:58:30][Step 2/3] ERROR:
[09:58:30][Step 2/3] ERROR: To see the full stack trace of the errors, re-run SonarQube Runner with the -e switch.
[09:58:30][Step 2/3] ERROR: Re-run SonarQube Runner using the -X switch to enable full debug logging.
[09:58:30][Step 2/3] Process exited with code 1
[09:58:30][Step 2/3] Step SonarQube Runner failed
我如何打破这个问题，以便继续构建，或者至少得到构建失败的确切原因？ Mercurial数据目录（.hg）应该到位，结账在代理端完成。