The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/client.c,v 1.10 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-attach-session.c,v 1.8 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-capture-pane.c,v 1.8 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-load-buffer.c,v 1.9 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-new-session.c,v 1.8 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-new-window.c,v 1.8 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-parse.y,v 1.3 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-queue.c,v 1.6 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-resize-window.c,v 1.2 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-send-keys.c,v 1.10 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/cmd-split-window.c,v 1.9 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/compat.h,v 1.2 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/format.c,v 1.11 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/grid.c,v 1.10 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/input-keys.c,v 1.10 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/input.c,v 1.14 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/key-bindings.c,v 1.9 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/log.c,v 1.14 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/mode-tree.c,v 1.6 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/notify.c,v 1.6 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/options.c,v 1.11 2020.11.01.15.16.04 christos src/external/bsd/tmux/dist/proc.c,v 1.5 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/regsub.c,v 1.3 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/resize.c,v 1.2 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/screen-write.c,v 1.12 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/screen.c,v 1.11 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/server-client.c,v 1.8 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/server-fn.c,v 1.12 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/session.c,v 1.12 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/spawn.c,v 1.3 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/status.c,v 1.10 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/style.c,v 1.4 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/tmux.1,v 1.13 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/tmux.c,v 1.11 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/tmux.h,v 1.16 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/tty-keys.c,v 1.14 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/tty-term.c,v 1.13 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/tty.c,v 1.7 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/utf8.c,v 1.7 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/window-buffer.c,v 1.6 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/window-client.c,v 1.6 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/window-copy.c,v 1.12 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/window-tree.c,v 1.7 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/window.c,v 1.13 2020.11.01.15.16.05 christos src/external/bsd/tmux/dist/xmalloc.h,v 1.5 2020.11.01.15.16.05 christos src/external/bsd/tmux/usr.bin/tmux/Makefile,v 1.25 2020.11.01.15.41.56 thorpej src/doc/BRANCHES,v 1.355 2020.11.01.16.34.02 kim src/usr.bin/find/find.1,v 1.90 2020.11.01.16.47.29 wiz src/usr.bin/find/find.1,v 1.91 2020.11.01.16.57.02 rillig src/usr.bin/make/job.c,v 1.298 2020.11.01.17.07.03 rillig src/usr.bin/make/job.c,v 1.299 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2020.11.html#2020.11.01.17.07.03