apt-clone crashed with apt.cache.LockFailedException in _get_archive_lock(): Failed to lock archive directory /target/var/cache/apt/archives/: E:Could not get lock /target/var/cache/apt/archives/lock - open (11: Resource temporarily unavailable), E:Unable to lock directory /target/var/cache/apt/archives/

[John S. Gruber]

Happened toward the end of a fresh install to a flash drive using ubiquity (at least ubiquity said that the installation was done).

ProblemType: Crash
DistroRelease: Ubuntu 18.10
Package: apt-clone 0.4.1ubuntu2
ProcVersionSignature: Ubuntu 4.17.0-9.10-generic 4.17.17
Uname: Linux 4.17.0-9-generic x86_64
ApportVersion: 2.20.10-0ubuntu9
Architecture: amd64
CasperVersion: 1.395
Date: Sat Sep 8 19:26:29 2018
ExecutablePath: /usr/bin/apt-clone
InterpreterPath: /usr/bin/python3.6
LiveMediaBuild: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180908)
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/apt-clone restore-new-distro /target/ubiquity-apt-clone/apt-clone-state-hostname.tar.gz cosmic --destination /target
Python3Details: /usr/bin/python3.6, Python 3.6.6+, python3-minimal, 3.6.6-1
PythonArgs: ['/usr/bin/apt-clone', 'restore-new-distro', '/target/ubiquity-apt-clone/apt-clone-state-hostname.tar.gz', 'cosmic', '--destination', '/target']
PythonDetails: N/A
SourcePackage: apt-clone
Title: apt-clone crashed with apt.cache.LockFailedException in _get_archive_lock(): Failed to lock archive directory /target/var/cache/apt/archives/: E:Could not get lock /target/var/cache/apt/archives/lock - open (11: Resource temporarily unavailable), E:Unable to lock directory /target/var/cache/apt/archives/
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[John S. Gruber (jsjgruber)]

Happened twice, on two different computers, using the same Flash thumbdrive.

Didn't happen when using a different thumbdrive and no other individuals indicated that it affected them.

Marked invalid.