Failed to start autopkgtest for lxc package on s390x

[Po-Hsu Lin]

This issue was found on Bionic s390x zKVM and zVM

# http_proxy=http://squid.internal:3128 autopkgtest lxc -- null
autopkgtest [13:40:51]: version 5.3.1
autopkgtest [13:40:51]: host kernel02; command line: /usr/bin/autopkgtest lxc -- null
autopkgtest [13:40:51]: testbed dpkg architecture: s390x
autopkgtest [13:40:51]: testbed running kernel: Linux 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:42:24 UTC 2018
autopkgtest [13:40:51]: @@@@@@@@@@@@@@@@@@@@ apt-source lxc
blame: lxc
badpkg: rules extract failed with exit code 1
autopkgtest [13:40:53]: ERROR: erroneous package: rules extract failed with exit code 1

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: autopkgtest 5.3.1
ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
Uname: Linux 4.15.0-29-generic s390x
NonfreeKernelModules: lttng_probe_writeback lttng_probe_workqueue lttng_probe_vmscan lttng_probe_udp lttng_probe_timer lttng_probe_sunrpc lttng_probe_statedump lttng_probe_sock lttng_probe_skb lttng_probe_signal lttng_probe_scsi lttng_probe_sched lttng_probe_rcu lttng_probe_random lttng_probe_printk lttng_probe_power lttng_probe_net lttng_probe_napi lttng_probe_module lttng_probe_kvm lttng_probe_kmem lttng_probe_jbd2 lttng_probe_irq lttng_probe_gpio lttng_probe_compaction lttng_probe_block lttng_ring_buffer_metadata_mmap_client lttng_ring_buffer_client_mmap_overwrite lttng_ring_buffer_client_mmap_discard lttng_ring_buffer_metadata_client lttng_ring_buffer_client_overwrite lttng_ring_buffer_client_discard lttng_tracer lttng_statedump lttng_kprobes lttng_clock lttng_lib_ring_buffer lttng_kretprobes zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: s390x
Date: Fri Jul 20 13:40:21 2018
PackageArchitecture: all
SourcePackage: autopkgtest
UpgradeStatus: No upgrade log present (probably fresh install)

[Po-Hsu Lin (cypressyew)]

It turns out that the deb-src was not fully enabled.
Closing this bug with Invalid.

[Po-Hsu Lin (cypressyew)]

BTW it will be great if the error message can be more specific. (like source package not found or something)