free(): invalid pointer

[Moses Moore]

Steps to reproduce:
$ sudo apt install swell-foop
$ swell-foop

Seen:
free(): invalid pointer
Aborted

Expected:
anything else.

While I'm here -- there's no man page nor info page in the package. I looked in /usr/share/doc/$pkgname and just found a copyright notice and a changelog.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: swell-foop 1:3.34.0-1
ProcVersionSignature: Ubuntu 5.3.0-29.31-generic 5.3.13
Uname: Linux 5.3.0-29-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.3
Architecture: amd64
CurrentDesktop: XFCE
Date: Sat Feb 29 11:23:47 2020
InstallationDate: Installed on 2016-06-05 (1364 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: swell-foop
UpgradeStatus: Upgraded to eoan on 2019-11-09 (111 days ago)
modified.conffile..etc.default.apport: [modified]
mtime.conffile..etc.default.apport: 2018-03-20T22:16:27.108498