=> "/opt/tools/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-trunk-tools/devel/ruby-tty-color", "stage-package-create", "BATCH=1", "DEPENDS_TARGET=/nonexistent", "RUBY_VERSION_REQD=34"]
=> Creating binary package /tmp/work/devel/ruby-tty-color/work/.packages/ruby34-tty-color-0.6.0.tgz
=> Signing binary package /tmp/work/devel/ruby-tty-color/work/.packages/ruby34-tty-color-0.6.0.tgz (GPG)
gpg: signing failed: Not enough space
gpg: signing failed: Not enough space
pkg_admin: GPG could not create signature
*** Error code 1

Stop.
bmake: stopped making "stage-package-create" in /data/jenkins/workspace/pkgsrc-trunk-tools/devel/ruby-tty-color