The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2018.08.02.10.18.19 rjs src/lib/libc/net/sctp_recvmsg.3,v 1.1 Log files can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2018.08.html#2018.08.02.10.18.19