why is Packer whining at the end here?

[Larry Rosenman]

Why is packer complaining here?  The image makes it into the resource group. 

    azure-arm: deregister with waagent...

    azure-arm: WARNING! The waagent service will be stopped.

    azure-arm: WARNING! Cached DHCP leases will be deleted.

    azure-arm: WARNING! root password will be disabled. You will not be able to login as root.

    azure-arm: WARNING! /etc/resolvconf/resolv.conf.d/tail and /etc/resolvconf/resolv.conf.d/original will be deleted.

    azure-arm: WARNING! packer account and entire home directory will be deleted.

==> azure-arm: Querying the machine's properties ...

==> azure-arm:  -> ResourceGroupName : 'packer-Resource-Group-2vw7jrt8km'

==> azure-arm:  -> ComputeName       : 'pkrvm2vw7jrt8km'

==> azure-arm:  -> Managed OS Disk   : '/subscriptions/30e95a3d-74e7-489c-a2ba-2a39d9c772ec/resourceGroups/packer-Resource-Group-2vw7jrt8km/providers/Microsoft.Compute/disks/pkros2vw7jrt8km'

==> azure-arm: Querying the machine's additional disks properties ...

==> azure-arm:  -> ResourceGroupName : 'packer-Resource-Group-2vw7jrt8km'

==> azure-arm:  -> ComputeName       : 'pkrvm2vw7jrt8km'

==> azure-arm:  -> Managed Additional Disk 1  : '/subscriptions/30e95a3d-74e7-489c-a2ba-2a39d9c772ec/resourceGroups/packer-Resource-Group-2vw7jrt8km/providers/Microsoft.Compute/disks/datadisk-1'

==> azure-arm:  -> Managed Additional Disk 2  : '/subscriptions/30e95a3d-74e7-489c-a2ba-2a39d9c772ec/resourceGroups/packer-Resource-Group-2vw7jrt8km/providers/Microsoft.Compute/disks/datadisk-2'

==> azure-arm: Powering off machine ...

==> azure-arm:  -> ResourceGroupName : 'packer-Resource-Group-2vw7jrt8km'

==> azure-arm:  -> ComputeName       : 'pkrvm2vw7jrt8km'

==> azure-arm: Capturing image ...

==> azure-arm:  -> Compute ResourceGroupName : 'packer-Resource-Group-2vw7jrt8km'

==> azure-arm:  -> Compute Name              : 'pkrvm2vw7jrt8km'

==> azure-arm:  -> Compute Location          : 'East US 2'

==> azure-arm:  -> Image ResourceGroupName   : 'packerwork'

==> azure-arm:  -> Image Name                : 'osrm-v5.22.0'

==> azure-arm:  -> Image Location            : 'eastus2'

==> azure-arm: Deleting resource group ...

==> azure-arm:  -> ResourceGroupName : 'packer-Resource-Group-2vw7jrt8km'

==> azure-arm:

==> azure-arm: The resource group was created by Packer, deleting ...

==> azure-arm: Deleting the temporary OS disk ...

==> azure-arm:  -> OS Disk : skipping, managed disk was used...

==> azure-arm: Deleting the temporary Additional disk ...

==> azure-arm:  -> Additional Disk : skipping, managed disk was used...

Build 'azure-arm' errored: unexpected EOF