=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
===> Installing for ruby18-mixlib-shellout-2.0.1
=> Generating pre-install file lists
=> Installing gem into installation root
ERROR:  Error installing /scratch/devel/ruby-mixlib-shellout/work/mixlib-shellout-2.0.1/mixlib-shellout-2.0.1.gem:
	mixlib-shellout requires Ruby version >= 1.9.3.
*** Error code 1

Stop.
make[1]: stopped in /bulk-data/pkgsrc/devel/ruby-mixlib-shellout
*** Error code 1

Stop.
make: stopped in /bulk-data/pkgsrc/devel/ruby-mixlib-shellout