=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Installing for ruby27-nio4r-2.5.8
=> Generating pre-install file lists
=> Installing gem into installation root
Building native extensions. This could take a while...
assertion "old == th" failed: file "thread_pthread.c", line 1935, function "rb_sigwait_fd_put"
*** Signal 6

Stop.
make[1]: stopped in /usr/pkgsrc/net/ruby-nio4r
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/net/ruby-nio4r