2018-07-16 19:54:31.858 | dib-run-parts 60-untrim-dpkg completed
2018-07-16 19:54:31.858 | dib-run-parts Running /tmp/dib_build.zUcm27Y7/hooks/cleanup.d/90-copy-boot-part
2018-07-16 19:54:32.069 | cp: cannot stat '/tmp/tmp.V5YWpxVTsG/boot/*': No such file or directory
2018-07-16 19:54:32.071 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/common-functions:run_d:1 :   trap_cleanup
2018-07-16 19:54:32.072 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/img-functions:trap_cleanup:36 :   exitval=1
2018-07-16 19:54:32.074 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/img-functions:trap_cleanup:37 :   cleanup
2018-07-16 19:54:32.075 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/img-functions:cleanup:42 :   dib-block-device umount
2018-07-16 19:54:32.210 | DEBUG diskimage_builder.block_device.blockdevice [-] Creating BlockDevice object __init__ /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/blockdevice.py:228
2018-07-16 19:54:32.210 | DEBUG diskimage_builder.block_device.blockdevice [-] Params [{'root-fs-type': 'ext4', 'root-fs-opts': '-i 4096 -J size=64 ', 'root-label': None, 'build-dir': '/tmp/dib_build.zUcm27Y7', 'image-size': '1664256KiB', 'image-dir': '/tmp/dib_image.ltHT91DC', 'config': '/tmp/dib_build.zUcm27Y7/block-device/config.yaml', 'mount-base': '/tmp/dib_build.zUcm27Y7/mnt'}] __init__ /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/blockdevice.py:231
2018-07-16 19:54:32.216 | INFO diskimage_builder.block_device.level3.mount [-] Called for [mount_mkfs_boot]
2018-07-16 19:54:32.216 | INFO diskimage_builder.block_device.utils [-] Calling [sudo sync]
2018-07-16 19:54:32.236 | INFO diskimage_builder.block_device.utils [-] Calling [sudo umount /tmp/dib_build.zUcm27Y7/mnt/boot]
2018-07-16 19:54:32.264 | INFO diskimage_builder.block_device.level3.mount [-] Called for [mount_mkfs_root]
2018-07-16 19:54:32.264 | INFO diskimage_builder.block_device.utils [-] Calling [sudo sync]
2018-07-16 19:54:32.275 | INFO diskimage_builder.block_device.utils [-] Calling [sudo fstrim --verbose /tmp/dib_build.zUcm27Y7/mnt/]
2018-07-16 19:54:32.283 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo: /tmp/dib_build.zUcm27Y7/mnt/: 924.7 MiB (969633792 bytes) trimmed exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120
2018-07-16 19:54:32.283 | INFO diskimage_builder.block_device.utils [-] Calling [sudo umount /tmp/dib_build.zUcm27Y7/mnt/]
2018-07-16 19:54:32.287 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo: umount: /tmp/dib_build.zUcm27Y7/mnt/: target is busy exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120
2018-07-16 19:54:32.287 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo:         (In some cases useful info about processes that exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120
2018-07-16 19:54:32.287 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo:          use the device is found by lsof(8) or fuser(1).) exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120
2018-07-16 19:54:32.287 | Traceback (most recent call last):
2018-07-16 19:54:32.287 |   File "/usr/local/bin/dib-block-device", line 10, in <module>
2018-07-16 19:54:32.287 |     sys.exit(main())
2018-07-16 19:54:32.287 |   File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/cmd.py", line 120, in main
2018-07-16 19:54:32.287 |     return bdc.main()
2018-07-16 19:54:32.287 |   File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/cmd.py", line 115, in main
2018-07-16 19:54:32.287 |     self.args.func()
2018-07-16 19:54:32.287 |   File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/cmd.py", line 39, in cmd_umount
2018-07-16 19:54:32.287 |     self.bd.cmd_umount()
2018-07-16 19:54:32.287 |   File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/blockdevice.py", line 441, in cmd_umount
2018-07-16 19:54:32.288 |     node.umount()
2018-07-16 19:54:32.288 |   File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/level3/mount.py", line 112, in umount
2018-07-16 19:54:32.288 |     exec_sudo(["umount", self.state['mount'][self.mount_point]['path']])
2018-07-16 19:54:32.288 |   File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py", line 125, in exec_sudo
2018-07-16 19:54:32.288 |     ' '.join(sudo_cmd))
2018-07-16 19:54:32.288 | subprocess.CalledProcessError: Command 'sudo umount /tmp/dib_build.zUcm27Y7/mnt/' returned non-zero exit status 32