sdk: The "ResolvePackageAssets" task failed unexpectedly due to max path limitation of NuGet package cache

I am using version 2.1.300-preview2-008251 of the SDK and I am getting this failure multiple times when building inside VS. Building from the command line completes successfully.

Severity	Code	Description	Project	File	Line	Suppression State
Error	MSB4018	The "ResolvePackageAssets" task failed unexpectedly.
System.ArgumentNullException: Value cannot be null.
Parameter name: path1
   at System.IO.Path.Combine(String path1, String path2)
   at Microsoft.NET.Build.Tasks.ResolvePackageAssets.RaisePackageAssets[T](LockFileTarget target, Func`2 getAssets, Func`2 filter, Action`2 setup)
   at Microsoft.NET.Build.Tasks.ResolvePackageAssets.ExecuteCore()
   at Microsoft.NET.Build.Tasks.TaskBase.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__26.MoveNext()	SocialWeather	C:\Users\James\.dotnet\x64\sdk\2.1.300-preview2-008251\Sdks\Microsoft.NET.Sdk\build\Microsoft.PackageDependencyResolution.targets	201	

Failing source: https://github.com/aspnet/SignalR/commit/4b666dfa856a7600205ab488a7ad4c8facbe7f6e

Open SignalR.sln in 15.6.2 and rebuild solution for the error.

buildlogs.zip