script disconnected unexpectedly - gcloud

gistfile1.txt

2017/10/26 18:10:48 ui:     googlecompute: - angstwad.docker_ubuntu (v3.3.2) was installed successfully
    googlecompute: - angstwad.docker_ubuntu (v3.3.2) was installed successfully
2017/10/26 18:10:48 packer: 2017/10/26 18:10:48 Remote command exited without exit status or exit signal.
2017/10/26 18:10:48 packer: 2017/10/26 18:10:48 [INFO] RPC endpoint: Communicator ended with: 2300218
2017/10/26 18:10:48 [INFO] 20054 bytes written for 'stdout'
2017/10/26 18:10:48 [INFO] 1168 bytes written for 'stderr'
2017/10/26 18:10:48 [INFO] RPC client: Communicator ended with: 2300218
2017/10/26 18:10:48 [INFO] RPC endpoint: Communicator ended with: 2300218
2017/10/26 18:10:48 packer: 2017/10/26 18:10:48 [INFO] 20054 bytes written for 'stdout'
2017/10/26 18:10:48 packer: 2017/10/26 18:10:48 [INFO] 1168 bytes written for 'stderr'
2017/10/26 18:10:48 packer: 2017/10/26 18:10:48 [INFO] RPC client: Communicator ended with: 2300218
2017/10/26 18:10:48 [INFO] (telemetry) ending shell
2017/10/26 18:10:48 [INFO] (telemetry) found error: Script disconnected unexpectedly.
2017/10/26 18:10:48 ui: ==> googlecompute: Deleting instance...
==> googlecompute: Deleting instance...
    googlecompute: Instance has been deleted!
==> googlecompute: Deleting disk...
2017/10/26 18:13:47 ui:     googlecompute: Instance has been deleted!
2017/10/26 18:13:47 ui: ==> googlecompute: Deleting disk...
2017/10/26 18:13:51 ui:     googlecompute: Disk has been deleted!
    googlecompute: Disk has been deleted!
2017/10/26 18:13:51 [INFO] (telemetry) ending googlecompute
2017/10/26 18:13:51 [INFO] (telemetry) found error: Script disconnected unexpectedly.
2017/10/26 18:13:51 ui error: Build 'googlecompute' errored: Script disconnected unexpectedly.
2017/10/26 18:13:51 Builds completed. Waiting on interrupt barrier...
2017/10/26 18:13:51 machine readable: error-count []string{"1"}
2017/10/26 18:13:51 ui error:
==> Some builds didn't complete successfully and had errors:
2017/10/26 18:13:51 machine readable: googlecompute,error []string{"Script disconnected unexpectedly."}
2017/10/26 18:13:51 ui error: --> googlecompute: Script disconnected unexpectedly.
Build 'googlecompute' errored: Script disconnected unexpectedly.

==> Some builds didn't complete successfully and had errors:
2017/10/26 18:13:51 ui:
==> Builds finished but no artifacts were created.
--> googlecompute: Script disconnected unexpectedly.

==> Builds finished but no artifacts were created.
2017/10/26 18:13:51 [INFO] (telemetry) Finalizing.
2017/10/26 18:13:52 [WARN] (telemetry) Error finalizing report. This is safe to ignore. Post https://checkpoint-api.hashicorp.com/v1/telemetry/packer: context deadline exceeded
2017/10/26 18:13:52 waiting for all plugin processes to complete...
2017/10/26 18:13:52 /usr/local/bin/packer: plugin process exited
2017/10/26 18:13:52 /usr/local/bin/packer: plugin process exited
2017/10/26 18:13:52 /usr/local/bin/packer: plugin process exited
2017/10/26 18:13:52 /usr/local/bin/packer: plugin process exited
2017/10/26 18:13:52 /usr/local/bin/packer: plugin process exited