attempting to download app fails in master

[Juest Zungo]

What did you expect to happen?

a download with the new depot manifest format to work

Instead of that, what actually happened?

error in log when attempting to download an app

Which operating system are you running on?

Linux

Version

master from artifacts as of date

Relevant log output

Download failed to due to an unhandled exception: Index (zero based) must be greater than or equal to zero and less than the size of the argument list.
Disconnected from Steam
Unhandled exception. System.FormatException: Index (zero based) must be greater than or equal to zero and less than the size of the argument list.
   at System.Text.StringBuilder.AppendFormatHelper(IFormatProvider provider, String format, ParamsArray args)
   at System.IO.StreamWriter.WriteFormatHelper(String format, ParamsArray args, Boolean appendNewLine)
   at System.IO.StreamWriter.WriteLine(String format, Object arg0)
   at System.IO.TextWriter.SyncTextWriter.WriteLine(String format, Object arg0)
   at System.Console.WriteLine(String format, Object arg0)
   at DepotDownloader.ContentDownloader.ProcessDepotManifestAndFiles(CancellationTokenSource cts, UInt32 appId, DepotDownloadInfo depot) in D:\a\DepotDownloader\DepotDownloader\DepotDownloader\ContentDownloader.cs:line 734
   at DepotDownloader.ContentDownloader.DownloadSteam3Async(UInt32 appId, List`1 depots) in D:\a\DepotDownloader\DepotDownloader\DepotDownloader\ContentDownloader.cs:line 694
   at DepotDownloader.ContentDownloader.DownloadAppAsync(UInt32 appId, List`1 depotManifestIds, String branch, String os, String arch, String language, Boolean lv, Boolean isUgc) in D:\a\DepotDownloader\DepotDownloader\DepotDownloader\ContentDownloader.cs:line 579
   at DepotDownloader.Program.MainAsync(String[] args) in D:\a\DepotDownloader\DepotDownloader\DepotDownloader\Program.cs:line 238
   at DepotDownloader.Program.Main(String[] args) in D:\a\DepotDownloader\DepotDownloader\DepotDownloader\Program.cs:line 17

Additional Information

No response