Returning to arachni, let's point it at webscantest.com/datastore and see what we find, kicking it off with a scan: https://webscantest.com/datastore.
After running the scan (which will take a while), arachni will print out the results to the console and generate an AFR file. The AFRextension stands for Arachni Framework Report and is what arachni uses to store scan results. That AFR file can then be converted to HTML, JSON, XML, or another document format:
We can immediately see there's a vulnerability to explore in greater detail here. This is a good opportunity to use the HTML version of the report, which takes advantage of the browser to visualize the entire scan results.
When you want to analyze the results of your scan, you can generate a zipped HTML file using the arachni_reporter executable:
arachni_reporter some_report.afr...