[head tinderbox] failure on amd64/amd64

TB --- 2007-01-11 19:35:01 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2007-01-11 19:35:01 - starting HEAD tinderbox run for amd64/amd64
TB --- 2007-01-11 19:35:01 - cleaning the object tree
TB --- 2007-01-11 19:35:48 - checking out the source tree
TB --- 2007-01-11 19:35:48 - cd /tinderbox/HEAD/amd64/amd64
TB --- 2007-01-11 19:35:48 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -A src
TB --- 2007-01-11 19:46:13 - building world (CFLAGS=-O2 -pipe)
TB --- 2007-01-11 19:46:13 - cd /src
TB --- 2007-01-11 19:46:13 - /usr/bin/make -B buildworld
>>> World build started on Thu Jan 11 19:46:16 UTC 2007
>>> Rebuilding the temporary build tree
>>> stage 1.1: legacy release compatibility shims
>>> stage 1.2: bootstrap tools
>>> stage 2.1: cleaning up the object tree
>>> stage 2.2: rebuilding the object tree
>>> stage 2.3: build tools
>>> stage 3: cross tools
>>> stage 4.1: building includes
>>> stage 4.2: building libraries
>>> stage 4.3: make dependencies
>>> stage 4.4: building everything
[...]
cc -O2 -pipe   -c /src/usr.bin/gprof/printlist.c
cc -O2 -pipe   -c /src/usr.bin/gprof/kernel.c
cc -O2 -pipe    -o gprof gprof.o aout.o arcs.o dfn.o elf.o lookup.o hertz.o printgprof.o printlist.o kernel.o 
gzip -cn /src/usr.bin/gprof/gprof.1 > gprof.1.gz
===> usr.bin/head (all)
cc -O2 -pipe  -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /src/usr.bin/head/head.c
/src/usr.bin/head/head.c: In function `head_bytes':
/src/usr.bin/head/head.c:149: warning: comparison between signed and unsigned
*** Error code 1

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

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

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2007-01-11 20:35:25 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2007-01-11 20:35:25 - ERROR: failed to build world
TB --- 2007-01-11 20:35:25 - tinderbox aborted
TB --- 0.89 user 3.49 system 3624.20 real


http://tinderbox.des.no/tinderbox-head-HEAD-amd64-amd64.full