evolution-data-server crashes with SIGV

When testing the Contacts picker from Ubuntu One, the evolution-data-server crashes with a Segmentation Fault.

Full trace here: https://pastebin.canonical.com/29123/

A fragment just in case:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe77b3710 (LWP 31179)]
0x00007ffff0c034e0 in ?? () from /lib/libdbus-1.so.3

(gdb) where
#0 0x00007ffff0c034e0 in ?? () from /lib/libdbus-1.so.3
#1 0x00007ffff0c02e4d in ?? () from /lib/libdbus-1.so.3
#2 0x00007ffff0c02eb9 in ?? () from /lib/libdbus-1.so.3
#3 0x00007ffff0c00e47 in ?? () from /lib/libdbus-1.so.3
#4 0x00007ffff0c01873 in ?? () from /lib/libdbus-1.so.3
#5 0x00007ffff0bed7f4 in ?? () from /lib/libdbus-1.so.3
#6 0x00007ffff0beea22 in ?? () from /lib/libdbus-1.so.3
#7 0x00007ffff0bef8c3 in ?? () from /lib/libdbus-1.so.3
#8 0x00007ffff0e2d43e in ?? () from /usr/lib/libdbus-glib-1.so.2
#9 0x00007ffff0e2e083 in dbus_g_proxy_call () from /usr/lib/libdbus-glib-1.so.2
#10 0x00007fffe8384589 in desktopcouch_session_new () from /usr/lib/libdesktopcouch-glib-1.0.so.2
#11 0x00007fffe85915c9 in ?? () from /usr/lib/evolution-data-server-1.2/extensions/libebookbackendcouchdb.so
#12 0x00007ffff779ae40 in e_book_backend_load_source () from /usr/lib/libedata-book-1.2.so.2
#13 0x00007ffff779b736 in e_book_backend_open () from /usr/lib/libedata-book-1.2.so.2
#14 0x00007ffff42b99da in ORBit_small_invoke_adaptor () from /usr/lib/libORBit-2.so.0
#15 0x00007ffff42c9a5d in ?? () from /usr/lib/libORBit-2.so.0
#16 0x00007ffff42ca081 in ?? () from /usr/lib/libORBit-2.so.0
#17 0x00007ffff42b2d4c in giop_thread_queue_process () from /usr/lib/libORBit-2.so.0
#18 0x00007ffff42b30c8 in ?? () from /usr/lib/libORBit-2.so.0
#19 0x00007ffff307586f in ?? () from /lib/libglib-2.0.so.0
#20 0x00007ffff3073994 in ?? () from /lib/libglib-2.0.so.0
#21 0x00007ffff25ad9ca in start_thread () from /lib/libpthread.so.0
#22 0x00007ffff230c38d in clone () from /lib/libc.so.6
#23 0x0000000000000000 in ?? ()