freebsd-update install failed

Do what (is it safe to retry the install?)?

log:

# freebsd-update fetch
Looking up update.FreeBSD.org mirrors... 5 mirrors found.
Fetching public key from update5.freebsd.org... done.
Fetching metadata signature for 10.0-RELEASE from update5.freebsd.org... done.
Fetching metadata index... done.
Fetching 2 metadata files... done.
Inspecting system... done.
Preparing to download files... done.
Fetching 88 patches.....10....20....30....40....50....60....70....80.... done.
Applying patches... done.
Fetching 4 files... done.

The following files will be removed as part of updating to 10.0-RELEASE-p11:
/usr/share/zoneinfo/Asia/Chongqing
/usr/share/zoneinfo/Asia/Harbin
/usr/share/zoneinfo/Asia/Kashgar

The following files will be added as part of updating to 10.0-RELEASE-p11:
/usr/share/zoneinfo/Antarctica/Troll
/usr/share/zoneinfo/Asia/Chita
/usr/share/zoneinfo/Asia/Srednekolymsk
/usr/src/contrib/tzdata/zone1970.tab

The following files will be updated as part of updating to 10.0-RELEASE-p11:
/bin/freebsd-version
/boot/kernel/kernel
/boot/kernel/kernel.symbols
/rescue/[
[...]
/usr/share/zoneinfo/Pacific/Pago_Pago
/usr/share/zoneinfo/zone.tab
# freebsd-update install
Installing updates...install: ///usr/src/contrib/tzdata/zone1970.tab: No such file or directory
  done.
#