On x86_64 signed with an expired key of smv (52E1FAD8822B7E89):

~smv/sword-svn-2904-1
~smv/xiphos-svn-4482-1

With an untrusted key (B133574064D25280):

pcr/bbb-gadgets-20130905-3
pcr/cowpatty-4.6-5
pcr/devmem-2-2
pcr/grass-6.4.3-3
pcr/gringo-4.3.0-1
pcr/ipycli-git-r139.56c1c9f-1
pcr/legit-0.r228.473d87d-1
pcr/liburcu-0.8.4-1
pcr/log4cxx-0.10.0-3
pcr/maruku-0.6.1-2
pcr/mediatomb-0.12.1-12
pcr/mit-scheme-9.2-1
pcr/note-1.3.18-1
pcr/ocaml-biniou-1.0.8-3
pcr/ocaml-curl-0.5.3-3
pcr/ocaml-easy-format-1.0.2-1
pcr/ocaml-extlib-1.5.4-2
pcr/ocaml-lwt-2.4.4-1
pcr/ocaml-ounit-2.0.0-1
pcr/ocaml-react-0.9.4-2
pcr/ocaml-ssl-0.4.6-3
pcr/ocaml-text-0.6-1
pcr/ocaml-xmlm-1.1.1-1
pcr/ocaml-yojson-1.1.8-1
pcr/opam-1.1.1-1
pcr/packer-20140103-1
pcr/python-gensim-0.10.0-1
pcr/python-xbee-2.1.0-1
pcr/python2-args-0.r37.36c727b-1
pcr/python2-async-0.6.1-1
pcr/python2-clint-0.3.7-1
pcr/python2-gitdb-0.5.4-1
pcr/python2-gitpython-0.3.2_rc1-2
pcr/python2-novaclient-2.17.0-3
pcr/python2-smmap-0.8.2-1
pcr/python2-vcstools-0.1.33-1
pcr/python2-wstool-0.1.1-1
pcr/quack-0.47-1
pcr/reaver-wps-svn-119-1
pcr/rosinstall-0.7.3-1
pcr/shogun-3.2.0-1
pcr/snort-2.9.6.1-2
pcr/syncthing-0.8.13-1
pcr/ttf-font-awesome-4.0.3-1
pcr/ums-4.0.0-1

If you suggest a command listing all trusted keys and subkeys (with at least 64-bit ids), I'll post a list for other architectures.