[head tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2014-05-06 14:20:19 - tinderbox 2.21 running on freebsd-current.sentex.ca
TB --- 2014-05-06 14:20:19 - FreeBSD freebsd-current.sentex.ca 9.2-STABLE FreeBSD 9.2-STABLE #0 r263721: Tue Mar 25 09:27:39 EDT 2014     des at freebsd-current.sentex.ca:/usr/obj/usr/src/sys/GENERIC  amd64
TB --- 2014-05-06 14:20:19 - starting HEAD tinderbox run for amd64/amd64
TB --- 2014-05-06 14:20:19 - cleaning the object tree
TB --- 2014-05-06 14:20:19 - /usr/local/bin/svn stat --no-ignore /src
TB --- 2014-05-06 14:20:24 - At svn revision 265446
TB --- 2014-05-06 14:20:25 - building world
TB --- 2014-05-06 14:20:25 - CROSS_BUILD_TESTING=YES
TB --- 2014-05-06 14:20:25 - MAKEOBJDIRPREFIX=/obj
TB --- 2014-05-06 14:20:25 - PATH=/usr/bin:/usr/sbin:/bin:/sbin
TB --- 2014-05-06 14:20:25 - SRCCONF=/dev/null
TB --- 2014-05-06 14:20:25 - TARGET=amd64
TB --- 2014-05-06 14:20:25 - TARGET_ARCH=amd64
TB --- 2014-05-06 14:20:25 - TZ=UTC
TB --- 2014-05-06 14:20:25 - __MAKE_CONF=/dev/null
TB --- 2014-05-06 14:20:25 - cd /src
TB --- 2014-05-06 14:20:25 - /usr/bin/make -B buildworld
>>> Building an up-to-date make(1)
--------------------------------------------------------------
"Makefile.inc", line 3: Could not find src.opts.mk
make: fatal errors encountered -- cannot continue
*** [bmake] Error code 1

Stop in /src.
*** [upgrade_checks] Error code 1

Stop in /src.
TB --- 2014-05-06 14:20:25 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2014-05-06 14:20:25 - ERROR: failed to build world
TB --- 2014-05-06 14:20:25 - 1.72 user 2.98 system 5.73 real


http://tinderbox.freebsd.org/tinderbox-head-build-HEAD-amd64-amd64.full