The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.04.02.20.57.20 roy src/share/man/man7/groups.7,v 1.8 2020.04.02.20.57.20 roy src/share/man/man7/users.7,v 1.5 2020.04.02.21.36.03 christos src/usr.bin/kdump/mkioctls,v 1.56 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.04.html#2020.04.02.21.36.03