With these fixes, the next exp run would fail only with one issue (a legit bug in the target port):
http://gohan04.nyi.freebsd.org/data/main-amd64-PR256941-default/2021-07-10_18h40m23s/logs/errors/pocl-1.6_1.log
Since it's being naughty and asking for strict namespace but referencing CLOCK_UPTIME_FAST, which is FreeBSD specific.
I've not looked into why.