my system is
sunny: {6} uname -a
NetBSD sunny 2.0_STABLE NetBSD 2.0_STABLE (WATER) #3: Thu Jul  7
12:30:23 CST 20
05  water@sunny:/usr/build/obj/sys/arch/i386/compile/WATER i386

When I build distribution from source, it report below messages:

...               ...               ...
cd /usr/src/etc &&
STRIP=/usr/src/../world/tools/bin/i386--netbsdelf-strip /usr/
src/../world/tools/bin/nbinstall -U -M
/usr/src/../world/obj/destdir.i386/METALO
G -D /usr/src/../world/obj/destdir.i386 -h sha1 -N /usr/src/etc -c -p -r
-T etc_
pkg -o root -g wheel -m 600  master.passwd
/usr/src/../world/obj/destdir.i386/etc
/usr/src/../world/tools/bin/nbpwd_mkdb -p -L -d
/usr/src/../world/obj/destdir.i3
86/  /usr/src/../world/obj/destdir.i386/etc/master.passwd
(  for metaent in passwd pwd.db spwd.db; do  echo "./etc/${metaent}
type=file mo
de=0644 uname=root gname=wheel tags=etc_pkg";  done;  ) |
/usr/src/../world/tool
s/bin/nbcat -l >> /usr/src/../world/obj/destdir.i386/METALOG
cd /usr/src/../world/obj/etc &&
STRIP=/usr/src/../world/tools/bin/i386--netbsdel
f-strip /usr/src/../world/tools/bin/nbinstall -U -M
/usr/src/../world/obj/destdi
r.i386/METALOG -D /usr/src/../world/obj/destdir.i386 -h sha1 -N
/usr/src/etc -c
-p -r -T etc_pkg -o root -g wheel -m 555  MAKEDEV
/usr/src/../world/obj/destdir.
i386/dev
nbinstall: MAKEDEV: stat: No such file or directory

*** Failed target:  install-etc-files
*** Failed command: cd /usr/src/../world/obj/etc &&
STRIP=/usr/src/../world/tool
s/bin/i386--netbsdelf-strip /usr/src/../world/tools/bin/nbinstall -U -M
/usr/src
/../world/obj/destdir.i386/METALOG -D /usr/src/../world/obj/destdir.i386
-h sha1
 -N /usr/src/etc -c -p -r -T etc_pkg -o root -g wheel -m 555 MAKEDEV
 /usr/src/..
 /world/obj/destdir.i386/dev
 *** Error code 1

 Stop.
 nbmake: stopped in /usr/src/etc

 *** Failed target:  distribution
 *** Failed command: (cd /usr/src/etc;
 /usr/src/../world/tools/bin/nbmake install
 -etc-files)
 *** Error code 1

 Stop.
 nbmake: stopped in /usr/src/etc

 *** Failed target:  distribution
 *** Failed command: (cd /usr/src/etc &&
 /usr/src/../world/tools/bin/nbmake INSTA
 LL_DONE=1 distribution)
 *** Error code 1

 Stop.
 nbmake: stopped in /usr/src

 ERROR: Failed to make distribution
 *** BUILD ABORTED ***