Is DWT busted?

[TheGag96]

I'm sorry about bringing this into here instead of DWT's 
subforum, but it's somewhat dead and hasn't been getting a lot of 
attention. I decided to finally play around with DWT today and 
tried to build the example. I got this:

Performing "debug" build using /usr/bin/dmd for x86_64.
dwt:base 1.0.1+swt-3.4.1: target for configuration "library" is 
up to date.
dwt 1.0.1+swt-3.4.1: target for configuration "linux-gtk" is up 
to date.
main ~master: building configuration "application"...
Linking...
To force a rebuild of up-to-date targets, run again with --force.
Running ./main
Program exited with code -11

I'm on Pop!_OS (basically Ubuntu), x64, DMD 2.079.0. Every 
library they ask for is installed. I tried cloning the source and 
building their snippets, and none of them work. Other people have 
apparently had this same problem for the past few months, and 
none of them find a solution. What's going on here?

IDK if this is any help, but here's the backtrace according to 
gdb: https://pastebin.com/Xd46YwwP