-- running on worker mobi6 thread 1, build number 164414.
make: Entering directory '/tmp/dwq.0.5774587566384977/5029066045d532752e6b6f14c99a6600/tests/sys/malloc_monitor'
make: Leaving directory '/tmp/dwq.0.5774587566384977/5029066045d532752e6b6f14c99a6600/tests/sys/malloc_monitor'
make: Entering directory '/tmp/dwq.0.5774587566384977/5029066045d532752e6b6f14c99a6600/tests/sys/malloc_monitor'
Building application "tests_malloc_monitor" for "atmega256rfr2-xpro" with CPU "atmega256rfr2".

/tmp/ccIpkMMT.s: Assembler messages:
/tmp/ccIpkMMT.s:1849: Error: register number above 15 required
lto-wrapper: fatal error: avr-gcc returned 1 exit status
compilation terminated.
/usr/lib/gcc/avr/5.4.0/../../../avr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make: *** [/tmp/dwq.0.5774587566384977/5029066045d532752e6b6f14c99a6600/tests/sys/malloc_monitor/../../../Makefile.include:734: /tmp/dwq.0.5774587566384977/5029066045d532752e6b6f14c99a6600/build/tests_malloc_monitor.elf] Error 1
make: Leaving directory '/tmp/dwq.0.5774587566384977/5029066045d532752e6b6f14c99a6600/tests/sys/malloc_monitor'
cat: /tmp/dwq.0.5774587566384977/5029066045d532752e6b6f14c99a6600/build/test-input-hash.sha1: No such file or directory
{"build/": 1436}