Installworld failure

[Mitya]

I installed FreeBSD from 
ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/201105/FreeBSD-8.2-STABLE-201105-amd64-memstick.img

cvsup with latest sources

In make.conf set CPUTYPE?=nocona

make buildworld pass without any errors

make installworld print me this messages:

===> sys/boot/i386/boot2 (install)
cc -Os  -fno-guess-branch-probability  -fomit-frame-pointer  
-fno-unit-at-a-time  -mno-align-long-strings  -mrtd  -mno-mmx -mno-3dnow 
-mno-sse -mno-sse2 -mno-sse3  -DUSE_XREAD  -DUFS1_AND_UFS2  
-DFLAGS=0x80  -DSIOPRT=0x3f8  -DSIOFMT=0x3  -DSIOSPD=9600  
-I/usr/src/sys/boot/i386/boot2/../../common  
-I/usr/src/sys/boot/i386/boot2/../btx/lib -I.  -Wall -Waggregate-return 
-Wbad-function-cast -Wcast-align  -Wmissing-declarations 
-Wmissing-prototypes -Wnested-externs  -Wpointer-arith -Wshadow 
-Wstrict-prototypes -Wwrite-strings  -Winline --param 
max-inline-insns-single=100 -ffreestanding -mpreferred-stack-boundary=2  
-mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -m32 -march=i386 
-std=gnu99   -S -o boot2.s.tmp /usr/src/sys/boot/i386/boot2/boot2.c
sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
rm -f boot2.s.tmp
as  --32 -o boot2.o boot2.s
ld -static -N --gc-sections -nostdlib -m elf_i386_fbsd -Ttext 0x2000 -o 
boot2.out /usr/obj/usr/src/sys/boot/i386/boot2/../btx/lib/crt0.o boot2.o 
sio.o
objcopy -S -O binary boot2.out boot2.bin
btxld -v -E 0x2000 -f bin -b 
/usr/obj/usr/src/sys/boot/i386/boot2/../btx/btx/btx -l boot2.ldr  -o 
boot2.ld -P 1 boot2.bin
btxld:No such file or directory
*** Error code 1

Stop in /usr/src/sys/boot/i386/boot2.
*** Error code 1

Stop in /usr/src/sys/boot/i386.
*** Error code 1

Stop in /usr/src/sys/boot.
*** Error code 1

Stop in /usr/src/sys.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.