Target "Pack" has thrown an exception

Process completed with exit code 255.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/cache@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Could not inject value for "Build.DotnetDispatcherVersion"

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DispatcherCodeGenerator.cs(44,27): warning CS8602: Dereference of a possibly null reference. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DotnetDispatcher.Generator.csproj]

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DispatcherRegistrationsCodeGenerator.cs(97,21): warning CS8625: Cannot convert null literal to non-nullable reference type. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DotnetDispatcher.Generator.csproj]

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DispatcherRegistrationsCodeGenerator.cs(99,21): warning CS8625: Cannot convert null literal to non-nullable reference type. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DotnetDispatcher.Generator.csproj]

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher/Attributes/GenerateDispatcherAttribute.cs(11,12): warning CS8618: Non-nullable field '_handlerType' must contain a non-null value when exiting constructor. Consider declaring the field as nullable. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher/DotnetDispatcher.csproj]

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher/DispatcherBase.cs(19,20): warning CS8714: The type 'T' cannot be used as type parameter 'T' in the generic type or method 'ServiceProviderServiceExtensions.GetRequiredService<T>(IServiceProvider)'. Nullability of type argument 'T' doesn't match 'notnull' constraint. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher/DotnetDispatcher.csproj]

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DispatcherCodeGenerator.cs(44,27): warning CS8602: Dereference of a possibly null reference. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DotnetDispatcher.Generator.csproj]

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DispatcherRegistrationsCodeGenerator.cs(97,21): warning CS8625: Cannot convert null literal to non-nullable reference type. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DotnetDispatcher.Generator.csproj]

/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DispatcherRegistrationsCodeGenerator.cs(99,21): warning CS8625: Cannot convert null literal to non-nullable reference type. [/home/runner/work/dotnet-dispatcher/dotnet-dispatcher/src/DotnetDispatcher.Generator/DotnetDispatcher.Generator.csproj]