kraft build getting Makefile error

[niallriddell]

make[2]: *** [/home/riddelln/.unikraft/unikraft/support/build/Makefile.build:27: /home/riddelln/nginx/build/libnginx/ngx_modules.o] Error 1
make[1]: *** [Makefile:984: sub-make] Error 2
make: *** [Makefile:32: _all] Error 2

kraft list update
mkdir nginx
cd nginx
kraft init -t nginx
kraft configure -p kvm -m x86_64
kraft build

kraft, version 0.5.0.dev477