'Task' does not contain a constructor that takes 0 arguments

The best overload for 'Task' does not have a parameter named 'promiseStyle'

The name 'ThrowHelper' does not exist in the current context

The name 'ExceptionResource' does not exist in the current context

The name 'ThrowHelper' does not exist in the current context

The name 'ExceptionResource' does not exist in the current context

The name 'ThrowHelper' does not exist in the current context

The name 'ExceptionArgument' does not exist in the current context

'Task' does not contain a definition for 'TrySetException' and no accessible extension method 'TrySetException' accepting a first argument of type 'Task' could be found (are you missing a using directive or an assembly reference?)

'Task' does not contain a definition for 'SpinUntilCompleted' and no accessible extension method 'SpinUntilCompleted' accepting a first argument of type 'Task' could be found (are you missing a using directive or an assembly reference?)

The job was canceled because "ubuntu-latest" failed.

The operation was canceled.

The job was canceled because "ubuntu-latest" failed.

The operation was canceled.

Possible null reference assignment.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'item' in 'void List<Exception>.Add(Exception item)'.

Possible null reference assignment.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'item' in 'void List<Exception>.Add(Exception item)'.

Possible null reference assignment.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'item' in 'void List<Exception>.Add(Exception item)'.