Unhandled Exception: System.ArgumentException: An item with the same key has already been added. Key: TMP
   at System.ThrowHelper.ThrowAddingDuplicateWithKeyArgumentException(Object key)
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at System.Diagnostics.ProcessStartInfo.get_Environment()
   at Microsoft.DotNet.Cli.Utils.Command.EnvironmentVariable(String name, String value)
   at Microsoft.DotNet.Cli.Utils.Command.ForwardStdErr(TextWriter to, Boolean onlyIfVerbose, Boolean ansiPassThrough)
   at Microsoft.DotNet.Cli.Program.ProcessArgs(String[] args, ITelemetry telemetryClient)
   at Microsoft.DotNet.Cli.Program.Main(String[] args)