[SEEMS PATCH AVAILABLE] Code from basic tutorial 13 ("Playback speed") freezes after several playback direction changes

Steps to reproduce:

• Download https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm
• Open https://gstreamer.freedesktop.org/documentation/tutorials/basic/playback-speed.html in your browser, then copy-paste provided basic-tutorial-13.c using your mouse
• Replace https:// URL with file:// URL (location of downloaded media)
• Compile and run the program
• Wait 2 seconds, press "d" and Enter
• Wait 1 second, press "d" and Enter

What I expected to see: The movie should continue playing till the end

What I see: The movie plays some time and then freezes

Debug log: https://zerobin.net/?855fee07ffa2ff7d#CCGCi5eBfN+gIsaIr/6Ku9Gp3bztIo10w2KIkplVH98=

I use fresh Debian sid amd64 in virtual machine. "gst-launch --version" reports 1.16.0