Sonar-Runner job can't delete sonar_lock file
<p>I'm getting this message while running a sonarqube analysis using Jenkins.</p>

<p>Log.</p>

<pre><code>Colorizer Sensor (wrapped) -&gt; CPD Sensor (wrapped)

17:58:10.957 INFO  - Sensor Lines Sensor (wrapped)

17:58:10.962 INFO  - Sensor Lines Sensor (wrapped) (done) | time=5ms

17:58:10.962 INFO  - Sensor QProfileSensor

17:58:10.962 INFO  - Sensor QProfileSensor (done) | time=0ms

17:58:10.963 INFO  - Sensor org.sonar.plugins.csharp.CSharpSensor

17:58:10.963 WARN  -
**********************************************************************************


**17:58:10.963 WARN  - *                Use MSBuild 14 to get the best analysis results**

17:58:10.963 WARN  - * The use of MSBuild 12 or the sonar-runner to analyze C# projects is DEPRECATED *


17:58:10.963 WARN  -
********************************************************************************
**

17:58:10.976 INFO  - Analysis report generated in D:\jenkins\workspace\Project\.sonarqube\out\.sonar\batch-report

**17:58:10.981 DEBUG - Couldn't delete lock file: D:\jenkins\workspace\Project\Project\.sonar_lock java.nio.file.NoSuchFileException:**
</code></pre>

<p><strong>2 QUESTIONS</strong></p>

<ol>
<li><p>Whats this sonar_lock file, why is it created? I've a succeded build where this file is not on the log.</p></li>
<li><p>I'm sure I'm using MSbuild 14, why am I still getting this message about MSbuild 12?</p></li>
</ol>

<p>Any help? Thanks in advance :)</p>