=> Bootstrap dependency digest>=20010302: found digest-20160304
===> 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'.
=> Checksum SHA1 OK for pflag-1.0.0.tar.gz
=> Checksum RMD160 OK for pflag-1.0.0.tar.gz
=> Checksum SHA512 OK for pflag-1.0.0.tar.gz
===> Installing dependencies for go-pflag-1.0.0
=> Tool dependency checkperms>=1.1: found checkperms-1.11nb1
=> Build dependency go-1.9*: found go-1.9
=> Build dependency cwrappers>=20150314: found cwrappers-20170611
===> Overriding tools for go-pflag-1.0.0
===> Extracting for go-pflag-1.0.0
tar: Global extended headers posix ustar archive. Extracting as plain files. Following files might be in the wrong directory or have wrong attributes.
===> Patching for go-pflag-1.0.0
===> Creating toolchain wrappers for go-pflag-1.0.0
===> Configuring for go-pflag-1.0.0
=> Checking for portability problems in extracted files