Compiler error with ceramic/cppia testing

[Jarrio]

| Haxe: 5.0.0-alpha.1+c177bd5; OS type: windows; | File "src/filters/exception/saveStacks.ml", line 114, characters 21-28 | Called from Stdlib__List.iter in file "list.ml", line 112, characters 12-15 | Called from Domainslib__Task.parallel_for.work in file "lib/task.ml", line 226, characters 24-28 | Called from Domainslib__Task.parallel_for.work in file "lib/task.ml", line 230, characters 6-26 | Called from Domainslib__Task.do_task in file "lib/task.ml", line 43, characters 14-18 | Called from Domainslib__Task.worker in file "lib/task.ml", line 105, characters 14-18 | Called from Stdlib__Fun.protect in file "fun.ml", line 34, characters 8-15 | Called from Stdlib__Domain.spawn.body in file "domain.ml", line 266, characters 16-20

i've attached a zip of the whole project here's how to setup ceramic, sorry I'm not sure how to make something like this more minimal.

using git hxcpp as well

cppiatest.zip