=> 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 sift-0.6.0.tar.gz
=> Checksum RMD160 OK for sift-0.6.0.tar.gz
=> Checksum SHA512 OK for sift-0.6.0.tar.gz
===> Installing dependencies for sift-0.6.0nb6
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Build dependency go-1.9.4*: found go-1.9.4
=> Build dependency go-crypto>=0.0.20170317: found go-crypto-0.0.20170502
=> Build dependency go-nbreader>=0.0.20150201: found go-nbreader-0.0.20150201nb6
=> Build dependency go-flags-svent>=0.0.20141123: found go-flags-svent-0.0.20141123nb6
=> Build dependency cwrappers>=20150314: found cwrappers-20171108
===> Overriding tools for sift-0.6.0nb6
===> Extracting for sift-0.6.0nb6
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 sift-0.6.0nb6
===> Creating toolchain wrappers for sift-0.6.0nb6
===> Configuring for sift-0.6.0nb6
=> Checking for portability problems in extracted files