The fix has landed on the tests-passed branch. Can you try to rebuild again?
「いいね！」 5
I presume this issue has been resolved. You can confirm this after conducting your tests. I just tried it and it recompiled without any errors. What a wonderful feeling… 
「いいね！」 5
The topic has been closed. Thank you all for providing the backtraces which has made this much easier to debug.
「いいね！」 5