Bug 1574229

Description of problem:
Clementine starts (from the shell or from the dashboard).
When you start a radio stream, it starts playing for about 1/10 of a second and crashes, dumping core.


Version-Release number of selected component (if applicable):
$ rpm -qi clementine
Name        : clementine
Version     : 1.3.1
Release     : 23.fc28
Architecture: x86_64
Install Date: Wed 02 May 2018 10:49:05 AM CEST
Group       : Applications/Multimedia
Size        : 18763795
License     : GPLv3+ and GPLv2+
Signature   : RSA/SHA256, Fri 13 Apr 2018 04:00:49 AM CEST, Key ID e08e7e629db62fb1
Source RPM  : clementine-1.3.1-23.fc28.src.rpm
Build Date  : Wed 11 Apr 2018 05:58:09 AM CEST
Build Host  : buildhw-05.phx2.fedoraproject.org
Relocations : (not relocatable)
Packager    : Fedora Project
Vendor      : Fedora Project
URL         : https://www.clementine-player.org/
Bug URL     : https://bugz.fedoraproject.org/clementine
Summary     : A music player and library organizer
Description :
Clementine is a multi-platform music player. It is inspired by Amarok 1.4,
focusing on a fast and easy-to-use interface for searching and playing your
music.


How reproducible:
Always, indenpendent of which radio stream I select

Steps to Reproduce:
1. Start Clementine
2. Select a radio stream, double-click it or press play
3.

Actual results:
1/10 s music is played, the application crashes, closes

Expected results:
Until yesterday (with Fedora 27) the radio streams were played


Additional info:
Output when started from the shell:
$ clementine
21:44:38.722 WARN  unknown                          libpng warning: iCCP: known incorrect sRGB profile 
21:44:39.017 WARN  unknown                          QPainter::begin: Paint device returned engine == 0, type: 2 
21:44:39.270 WARN  unknown                          "sni-qt/17630" WARN  21:44:39.270 void StatusNotifierItemFactory::connectToSnw() Invalid interface to SNW_SERVICE  
21:44:39.345 WARN  unknown                          Object::connect: No such signal QtSingleApplication::messageReceived(QByteArray) 
21:44:39.345 WARN  unknown                          Object::connect:  (sender name:   'clementine') 
21:44:39.345 WARN  unknown                          Object::connect:  (receiver name: 'MainWindow') 
21:44:39.445 ERROR unknown                          JSonScanner::yylex - error while reading from io device  
21:44:39.445 ERROR unknown                          json_parser - syntax error found,  forcing abort, Line 1 Column 1  
/usr/include/c++/8/bits/stl_vector.h:932: std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = float; _Alloc = std::allocator<float>; std::vector<_Tp, _Alloc>::reference = float&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]: Assertion '__builtin_expect(__n < this->size(), true)' failed.
Aborted (core dumped)

I tried to report the bug using abrt but the coredump was considered unusable.