=> 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'.
===> Building for ruby215-msgpack-0.5.9
=> Removing backup files of patch before build
WARNING:  pessimistic dependency on rake (~> 0.9.2, development) may be overly strict
  if rake is semantically versioned, use:
    add_development_dependency 'rake', '~> 0.9', '>= 0.9.2'
WARNING:  pessimistic dependency on rake-compiler (~> 0.8.3, development) may be overly strict
  if rake-compiler is semantically versioned, use:
    add_development_dependency 'rake-compiler', '~> 0.8', '>= 0.8.3'
WARNING:  pessimistic dependency on yard (~> 0.8.2, development) may be overly strict
  if yard is semantically versioned, use:
    add_development_dependency 'yard', '~> 0.8', '>= 0.8.2'
WARNING:  See http://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: msgpack
  Version: 0.5.9
  File: msgpack-0.5.9.gem
=> Unwrapping files-to-be-installed.