=> Creating binary package /usr/pkgsrc/work/parallel/py-billiard/work/.packages/py27-billiard-3.3.0.18.tgz
pkg_create: can't stat `/usr/pkgsrc/work/parallel/py-billiard/work/.destdir/usr/pkg/lib/python2.7/site-packages/_billiard.so'
pkg_create: lstat failed for file lib/python2.7/site-packages/_billiard.so: No such file or directory
mv: rename /usr/pkgsrc/work/parallel/py-billiard/work/.packages/py27-billiard-3.3.0.18.tmp.tgz to /usr/pkgsrc/work/parallel/py-billiard/work/.packages/py27-billiard-3.3.0.18.tgz: No such file or directory
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/parallel/py-billiard