Some go warnings are showing up

[Vitaliy Kanev]

Steps to reproduce
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1. Type `sudo LANG="ru_RU.UTF-8" apt install <any package>`.
2. Observe output

Expected behaviour
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No errors

Actual behaviour
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Errors are showing up. Please locate "apt regression bug.txt" attachment

System information
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vitalkanev@fisher:~$ lsb_release -a && echo && uname -a && echo && LANG=C apt policy apt
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.10
Release: 18.10
Codename: cosmic

Linux fisher 4.18.0-10-generic #11-Ubuntu SMP Thu Oct 11 15:13:55 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

apt:
  Installed: 1.7.0
  Candidate: 1.7.0
  Version table:
 *** 1.7.0 500
        500 http://archive.ubuntu.com/ubuntu cosmic/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: apt 1.7.0
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Oct 20 14:29:39 2018
InstallationDate: Installed on 2018-10-19 (0 days ago)
InstallationMedia: Kubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.2)
SourcePackage: apt
UpgradeStatus: No upgrade log present (probably fresh install)

[Vitaliy Kanev (vitalkanev)]

Marked this bug as invalid because Cosmic is not supported anymore. Thanks.