When you are migrating from SharePoint 2010 to 2013, we need to run Health checks in Site collection Level.
There are two ways of running health check in SharePoint environment
a.Test Mode
b.Repair Mode
Ensure that you have a site collection administrator rights run the following Power Shell commands.
1.Repair-SPSite -Identity <SiteURL>
2.Test -SPSite -Identity <SiteURL>