Back Up tool crashes after login.

Ubuntu 18.04 alpha

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: deja-dup 37.1-1fakesync1
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Mar 3 10:39:50 2018
ExecutablePath: /usr/lib/deja-dup/deja-dup-monitor
InstallationDate: Installed on 2018-03-03 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180301)
JournalErrors:
 -- Logs begin at Sat 2018-03-03 10:26:32 -03, end at Sat 2018-03-03 10:42:27 -03. --
 mar 03 10:37:47 hostname spice-vdagent[1066]: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0
 mar 03 10:38:12 hostname pulseaudio[978]: [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
ProcCmdline: /usr/lib/deja-dup/deja-dup-monitor
SegvAnalysis:
 Segfault happened at: 0x7f4253fa0588: movl $0x0,(%rax)
 PC (0x7f4253fa0588) ok
 source "$0x0" ok
 destination "(%rax)" (0xbbadbeef) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: deja-dup
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18
 __pthread_once_slow (once_control=0x7f425420802c, init_routine=0x7f424b083490 <__once_proxy>) at pthread_once.c:116
 Gigacage::ensureGigacage() () from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18
 bmalloc::Heap::Heap(bmalloc::HeapKind, std::lock_guard<bmalloc::StaticMutex>&) () from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18
 bmalloc::PerProcess<bmalloc::PerHeapKind<bmalloc::Heap> >::getSlowCase() () from /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18
Title: deja-dup-monitor crashed with SIGSEGV in __pthread_once_slow()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo