on machine 1

src Revision: 255615
doc Revision: 42672

make buildworld
make buildkernel 

all without error

on machine 2

/usr/src /usr/doc /usr/obj via nfs from machine 1

make installworld DESTDIR=/mnt

.....

===> usr.bin/chpass (install)
install -s -o root -g wheel -m 4555   chpass /mnt/usr/bin/chpass
install -o root -g wheel -m 444 chpass.1.gz  /mnt/usr/share/man/man1
/mnt/usr/share/man/man1/chfn.1.gz -> /mnt/usr/share/man/man1/chpass.1.gz
/mnt/usr/share/man/man1/chsh.1.gz -> /mnt/usr/share/man/man1/chpass.1.gz
/mnt/usr/share/man/man1/ypchpass.1.gz -> /mnt/usr/share/man/man1/chpass.1.gz
/mnt/usr/share/man/man1/ypchfn.1.gz -> /mnt/usr/share/man/man1/chpass.1.gz
/mnt/usr/share/man/man1/ypchsh.1.gz -> /mnt/usr/share/man/man1/chpass.1.gz
/mnt/usr/bin/chfn -> /mnt/usr/bin/chpass
/mnt/usr/bin/chsh -> /mnt/usr/bin/chpass
/mnt/usr/bin/ypchpass -> /mnt/usr/bin/chpass
/mnt/usr/bin/ypchfn -> /mnt/usr/bin/chpass
/mnt/usr/bin/ypchsh -> /mnt/usr/bin/chpass
chflags schg /mnt/usr/bin/chpass
===> usr.bin/cksum (install)
install -s -o root -g wheel -m 555   cksum /mnt/usr/bin/cksum
install -o root -g wheel -m 444 cksum.1.gz  /mnt/usr/share/man/man1
/mnt/usr/share/man/man1/sum.1.gz -> /mnt/usr/share/man/man1/cksum.1.gz
/mnt/usr/bin/sum -> /mnt/usr/bin/cksum
===> usr.bin/clang (install)
===> usr.bin/clang/clang (install)
install -s -o root -g wheel -m 555   clang /mnt/usr/bin/clang
install: wait: No such file or directory
*** [_proginstall] Error code 70

Stop in /usr/src/usr.bin/clang/clang.
*** [realinstall] Error code 1

Stop in /usr/src/usr.bin/clang.
*** [realinstall] Error code 1

Stop in /usr/src/usr.bin.
*** [realinstall] Error code 1

Stop in /usr/src.
*** [reinstall] Error code 1

Stop in /usr/src.
*** [installworld] Error code 1

Stop in /usr/src.
*** [installworld] Error code 1