System.ArgumentNullException: Value cannot be null. (Parameter 'source') at System.Linq.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument) at System.Linq.Enumerable.Select[TSource,TResult](IEnumerable`1 source, Func`2 selector) at DotNet.Releases.UnsupportedDockerfileReporter.DotNet.Releases.IUnsupportedDockerfileReporter.ReportAsync(Dockerfile dockerfile, Int32 outOfSupportWithinDays)+MoveNext() in /app/src/DotNet.Releases/Reporting/UnsupportedDockerfileReporter.cs:line 20 at DotNet.Releases.UnsupportedDockerfileReporter.DotNet.Releases.IUnsupportedDockerfileReporter.ReportAsync(Dockerfile dockerfile, Int32 outOfSupportWithinDays)+System.Threading.Tasks.Sources.IValueTaskSource<System.Boolean>.GetResult() at Program.<<Main>$>g__StartSweeperAsync|0_3(Options options, IServiceProvider services, ICoreService job) in /app/src/DotNet.VersionSweeper/Program.cs:line 116 at Program.<<Main>$>g__StartSweeperAsync|0_3(Options options, IServiceProvider services, ICoreService job) in /app/src/DotNet.VersionSweeper/Program.cs:line 116