-- running on worker mobi6 thread 1, build number 27236.
make: Entering directory '/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/tests/net/slip'
rm -rf /tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/pkg-build/cmsis
rm -rf /tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/pkg-build/gecko_sdk
rm -rf /tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/pkg-build/mpaland-printf
make: Leaving directory '/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/tests/net/slip'
make: Entering directory '/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/tests/net/slip'
Building application "tests_slip" for "stk3200" with CPU "efm32".

Cloning into '/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/pkg/cmsis'...
done.
HEAD is now at 2b7495b85 Merge branch 'develop'
Cloning into '/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/pkg/gecko_sdk'...
done.
HEAD is now at 944639a Merge pull request #5 from jue89/feature/gecko_sdk_41
Cloning into '/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/pkg/mpaland-printf'...
done.
HEAD is now at 0dd4b64 test(test_suite): added support for PRINTF_DISABLE_SUPPORT_EXPONENTIAL
In file included from slipmux.c:19:
slipmux.c: In function 'slipmux_rx_cb':
slipmux.c:259:15: error: unknown conversion type character 'b' in format [-Werror=format=]
  259 |         DEBUG("slipmux: Unknown start byte %b ignored\n", byte);
      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../core/lib/include/debug.h:48:20: note: in definition of macro 'DEBUG_PRINT'
   48 |             printf(__VA_ARGS__); \
      |                    ^~~~~~~~~~~
slipmux.c:259:9: note: in expansion of macro 'DEBUG'
  259 |         DEBUG("slipmux: Unknown start byte %b ignored\n", byte);
      |         ^~~~~
slipmux.c:259:45: note: format string is defined here
  259 |         DEBUG("slipmux: Unknown start byte %b ignored\n", byte);
      |                                             ^
In file included from slipmux.c:19:
slipmux.c:259:15: error: too many arguments for format [-Werror=format-extra-args]
  259 |         DEBUG("slipmux: Unknown start byte %b ignored\n", byte);
      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../core/lib/include/debug.h:48:20: note: in definition of macro 'DEBUG_PRINT'
   48 |             printf(__VA_ARGS__); \
      |                    ^~~~~~~~~~~
slipmux.c:259:9: note: in expansion of macro 'DEBUG'
  259 |         DEBUG("slipmux: Unknown start byte %b ignored\n", byte);
      |         ^~~~~
cc1: all warnings being treated as errors
make[3]: *** [/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/Makefile.base:157: /tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/slipmux_dev/slipmux.o] Error 1
make[2]: *** [/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/Makefile.base:31: ALL--/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/drivers/slipmux_dev] Error 2
make[1]: *** [/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/Makefile.base:31: ALL--/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/tests/net/slip/../../../Makefile.include:743: application_tests_slip.module] Error 2
make: Leaving directory '/tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/tests/net/slip'
cat: /tmp/dwq.0.08409621665161093/55233ac4ec41ef3509e2139c6e1a2240/build/test-input-hash.sha1: No such file or directory
{"build/": 126188}