It looks like your system ran out of memory while the updates were being
installed.
** Changed in: cron (Ubuntu)
Status: New = Invalid
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package cron 3.0pl1-104+ubuntu5 failed to install/upgrade: fork failed: Cannot
allocate memory
https://bugs.launchpad.net/bugs/383031
You received
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/27440090/Dependencies.txt
** Attachment added: DpkgTerminalLog.txt
http://launchpadlibrarian.net/27440093/DpkgTerminalLog.txt
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package cron 3.0pl1-104+ubuntu5 failed to install/upgrade: fork failed: Cannot
allocate