Smart Update Failing: No Space Left On Device Error ?

[snpower]

My log follows. I have a copy script which ignores my music and downloads folder.

| 08:05:18 AM | Info | SuperDuper!, 2.6.4 (89), path: /Applications/SuperDuper!.app, Mac OS 10.7.3 build 11D50 (i386)
| 08:05:18 AM | Info | Started on Sun, Feb 5, 2012 at 8:05 AM
| 08:05:18 AM | Info | Source Volume: Momentus XT, mount: /, device: /dev/disk0s2, media: ST95005620AS, interconnect: Internal SATA, file system: "Journaled HFS+", OS: 10.7.3 (11D50), capacity: 499.25 GB, used: 473.22 GB, directories: 261483, files: 1204282, ejectable: NO, ACLs: Enabled
| 08:05:29 AM | Info | Target Volume: SuperDuper!, mount: /Volumes/SuperDuper!, device: /dev/disk1s2, media: Hitachi HTS545050B9SA02, interconnect: External USB, file system: "Journaled HFS+", OS: 10.7.2 (11C74), capacity: 499.76 GB, used: 403.85 GB, directories: 258935, files: 1121398, ejectable: YES, ACLs: Enabled
| 08:05:29 AM | Info | Copy Mode : Smart Update
| 08:05:29 AM | Info | Copy Script : Ignore DL.dset
| 08:05:29 AM | Info | Transcript : BuildTranscript.plist
| 08:05:29 AM | Info | PHASE: 1. Prepare to Copy Files
| 08:05:29 AM | Info | ...ACTION: Preparing Momentus XT
| 08:05:29 AM | Info | ......COMMAND => Verifying the integrity of volinfo.database
| 08:05:30 AM | Info | volinfo.database OK
| 08:05:30 AM | Info | ......COMMAND => Enabling permissions on Momentus XT
| 08:06:49 AM | Info | File system user/group ownership enabled
| 08:06:49 AM | Info | ......COMMAND => Verifying that permissions are enabled for Momentus XT
| 08:06:49 AM | Info | Permissions on '/' are enabled.
| 08:06:49 AM | Info | ...ACTION: Repairing permissions on Momentus XT
| 08:06:49 AM | Info | ......COMMAND => Repairing permissions on Momentus XT
| 08:06:49 AM | Info | Started verify/repair permissions on disk0s2 Momentus XT
| 08:08:17 AM | Info | User differs on "usr/share/collabd/webauthd"; should be 94; user is 221
| 08:08:17 AM | Info | Group differs on "usr/share/collabd/webauthd"; should be 94; group is 221
| 08:08:17 AM | Info | Repaired "usr/share/collabd/webauthd"
| 08:08:17 AM | Info | User differs on "usr/share/collabd/webauthd/locales"; should be 94; user is 221
| 08:08:17 AM | Info | Group differs on "usr/share/collabd/webauthd/locales"; should be 94; group is 221
| 08:08:17 AM | Info | Repaired "usr/share/collabd/webauthd/locales"
| 08:11:09 AM | Info | Finished verify/repair permissions on disk0s2 Momentus XT
| 08:11:09 AM | Info | ...ACTION: Preparing SuperDuper!
| 08:11:09 AM | Info | ......COMMAND => Enabling permissions on SuperDuper!
| 08:11:09 AM | Info | /dev/disk0s2 on / (hfs, local, journaled)
| 08:11:09 AM | Info | devfs on /dev (devfs, local, nobrowse)
| 08:11:09 AM | Info | map -hosts on /net (autofs, nosuid, automounted, nobrowse)
| 08:11:09 AM | Info | map auto_home on /home (autofs, automounted, nobrowse)
| 08:11:09 AM | Info | localhost:/vhuFIVhrURu6dFHo70ggAV on /Volumes/MobileBackups (mtmfs, nosuid, read-only, nobrowse)
| 08:11:09 AM | Info | afp_1hIAO71yNy1o0V0YQI0Pyeru-1.2d000004 on /Volumes/OWC Mercury Elite Pro (afpfs, nodev, nosuid, mounted by snpower)
| 08:11:09 AM | Info | /dev/disk1s2 on /Volumes/SuperDuper! (hfs, local, journaled)
| 08:12:41 AM | Info | ......COMMAND => Verifying that permissions are enabled for SuperDuper!
| 08:12:41 AM | Info | Permissions on '/Volumes/SuperDuper!' are enabled.
| 08:12:41 AM | Info | ......COMMAND => Verifying that SuperDuper! ACL support matches Momentus XT
| 08:12:41 AM | Info | ...ACTION: Preserving Spotlight state on SuperDuper!
| 08:12:41 AM | Info | ......COMMAND => Disabling Spotlight search indexing on SuperDuper!
| 08:12:41 AM | Info | PHASE: 2. Copy Files
| 08:12:41 AM | Info | ...ACTION: Copying files from Momentus XT to SuperDuper! using Smart Update
| 08:12:41 AM | Info | ......COMMAND => Cloning Momentus XT to SuperDuper!
| 08:13:00 AM | Info | Copying copy files with delete using script: /Users/snpower/Library/Application Support/SuperDuper!/Copy Scripts/Ignore DL.dset
| 08:13:00 AM | Info | Loading 2 commands from copy script /Users/snpower/Library/Application Support/SuperDuper!/Copy Scripts/Ignore DL.dset
| 08:13:07 AM | Info | /
| 08:13:11 AM | Info | /OWC Mercury Elite-AL & OWC Mercury Elite-AL mini
| 08:13:41 AM | Info | /opt
| 08:22:25 AM | Info | /Microsoft Office 2011
| 08:22:25 AM | Info | /Backups
| 08:22:25 AM | Info | /$RECYCLE.BIN
| 08:22:25 AM | Info | /cores
| 08:22:25 AM | Info | /Network
| 08:22:25 AM | Info | /.vol
| 08:22:25 AM | Info | /Retrospect
| 08:22:25 AM | Info | /private
| 08:22:25 AM | Info | Error copying /private/var/msgs/bounds to /Volumes/SuperDuper!/private/var/msgs/bounds of type 8 due to error 28
| 08:22:25 AM | Error | SDCopy: Error copying /private/var/msgs/bounds to /Volumes/SuperDuper!/private/var/msgs/bounds of type 8 due to error 28: No space left on device