The Slackware image builder CircleCI job is failing

[exarkun]

Verifying package curl-7.71.0-x86_64-1_slack14.2.txz.
Installing package curl-7.71.0-x86_64-1_slack14.2.txz:
PACKAGE DESCRIPTION:
# curl (command line URL data transfer tool)
#
# Curl is a command line tool for transferring data specified with URL
# syntax.  The command is designed to work without user interaction or
# any kind of interactivity.  Curl offers a busload of useful tricks
# like proxy support, user authentication, ftp upload, HTTP post,  SSL
# (https:) connections, cookies, file transfer resume and more.
#
# libcurl is a library that Curl uses to do its job. It is readily
# available to be used by your software, too.
#
Executing install script for curl-7.71.0-x86_64-1_slack14.2.txz.
Package curl-7.71.0-x86_64-1_slack14.2.txz installed.

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (60) SSL certificate problem: unable to get local issuer certificate
More details here: https://curl.haxx.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.
The command '/bin/sh -c slackpkg install         cyrus-sasl-2         curl-7 </dev/null &&     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py &&     python get-pip.py &&     pip install virtualenv' returned a non-zero code: 60
 
Exited with code exit status 60
CircleCI received exit code 60

It first failed this way on the June 25th run.

[exarkun]

​https://github.com/tahoe-lafs/tahoe-lafs/pull/771

[GitHub <noreply@…>]

In 9cc1db4/trunk:

Merge pull request #771 from tahoe-lafs/3323.drop-slackware

Drop support for Slackware

Fixes: ticket:3323