debianbox@debian:~/openwrt$ cat logs/package/boot/uboot-envtools/compile.txt
make[3]: Entering directory `/home/debianbox/openwrt/package/boot/uboot-envtools'
. /home/debianbox/openwrt/include/shell.sh; bzcat /home/debianbox/openwrt/dl/u-boot-2013.10.tar.bz2 | /bin/tar -C /home/debianbox/openwrt/build_dir/target-mips_34kc_uClibc-0.9.33.2/u-boot-2013.10/.. -xf -

bzcat: Compressed file ends unexpectedly;
	perhaps it is corrupted?  *Possible* reason follows.
bzcat: Success
	Input file = /home/debianbox/openwrt/dl/u-boot-2013.10.tar.bz2, output file = (stdout)

It is possible that the compressed file(s) have become corrupted.
You can use the -tvv option to test integrity of such files.

You can use the `bzip2recover' program to attempt to recover
data from undamaged sections of corrupted files.

/bin/tar: Unexpected EOF in archive
/bin/tar: Unexpected EOF in archive
/bin/tar: Error is not recoverable: exiting now
make[3]: *** [/home/debianbox/openwrt/build_dir/target-mips_34kc_uClibc-0.9.33.2/u-boot-2013.10/.prepared_52ab9312f93c4145de984b68142c279b] Error 2
make[3]: Leaving directory `/home/debianbox/openwrt/package/boot/uboot-envtools'