Build failed because of timeout caused by the lack of output

test config.qtbase.tests.ssse3 succeeded
Checking for SSE4.1 instructions... 
+ cd C:\Users\qt\work\qt\qtbase\config.tests\sse4_1 && C:\Users\qt\work\qt\qtbase\bin\qmake.exe "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared use_gold_linker warn_off console single_arch" -early "CONFIG += cross_compile" C:/Users/qt/work/qt/qtbase/config.tests/sse4_1
+ cd C:\Users\qt\work\qt\qtbase\config.tests\sse4_1 && set MAKEFLAGS=& mingw32-make

agent:2017/10/12 00:32:55 build.go:218: Killed process after timeout (total time)
agent:2017/10/12 00:32:55 agent.go:78: ERROR building: Timeout after 15m0s: Maximum duration reached
agent:2017/10/12 00:32:55 build.go:155: Error reading from stdout/err: Timeout after 15m0s: Maximum duration reached