00:18:28.349  ========== Backtrace start: ==========
00:18:28.349  
00:18:28.349  in /home/vagrant/spdk_repo/spdk/autopackage.sh:37 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:18:28.349       ...
00:18:28.349     32  		$rootdir/configure $config_params --enable-lto
00:18:28.349     33  	else
00:18:28.349     34  		# LTO needs a special compiler to work on BSD.
00:18:28.349     35  		$rootdir/configure $config_params
00:18:28.349     36  	fi
00:18:28.349  => 37  	$MAKE ${MAKEFLAGS}
00:18:28.349     38  	$MAKE ${MAKEFLAGS} clean
00:18:28.349     39  	
00:18:28.349     40  	timing_exit build_release
00:18:28.349     41  	
00:18:28.349     42  	timing_finish
00:18:28.349       ...
00:18:28.349  
00:18:28.349  ========== Backtrace end ==========