Upgrading for distribution sid
Building the build Environment
 -> extracting base tarball [/home/dancer/cvscheckout/external/pbuilder/pbuilder/testsuite/tmp.ghHlb1/testimage]
 -> creating local configuration
 -> copying local configuration
 -> mounting /proc filesystem
ln: `/var/cache/pbuilder/build//29632/etc/mtab': File exists
 -> mounting /dev/pts filesystem
 -> policy-rc.d already exists
  -> Installing apt-lines
  -> Installing apt-lines and pinning for experimental
Refreshing the base.tgz 
 -> upgrading packages
Get:1 http://ftp.jp.debian.org sid Release.gpg [189B]
Get:2 http://ftp.jp.debian.org ../project/experimental Release.gpg [189B]
Hit http://ftp.jp.debian.org sid Release
Ign http://ftp.jp.debian.org sid Release
Get:3 http://ftp.jp.debian.org ../project/experimental Release [4245B]
Ign http://ftp.jp.debian.org ../project/experimental Release
Hit http://ftp.jp.debian.org sid/main Packages
Get:4 http://ftp.jp.debian.org ../project/experimental/main Packages [119kB]
Fetched 124kB in 0s (364kB/s)
Reading package lists...
W: GPG error: http://ftp.jp.debian.org sid Release: Could not execute /usr/bin/gpgv to verify signature (is gnupg installed?)
W: GPG error: http://ftp.jp.debian.org ../project/experimental Release: Could not execute /usr/bin/gpgv to verify signature (is gnupg installed?)
W: You may want to run apt-get update to correct these problems
dpkg - warning: ignoring request to remove lilo which isn't installed.
Obtaining the cached apt archive contents
Reading package lists...
Building dependency tree...
The following packages will be upgraded:
  diff
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/246kB of archives.
After unpacking 303kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  diff
(Reading database ... 12458 files and directories currently installed.)
Preparing to replace diff 2.8.1-11 (using .../diff_2.8.7-0.2_amd64.deb) ...
Unpacking replacement diff ...
Setting up diff (2.8.7-0.2) ...
Reading package lists...
Building dependency tree...
build-essential is already the newest version.
dpkg-dev is already the newest version.
apt is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Copying back the cached apt archive contents
 -> unmounting dev/pts filesystem
 -> unmounting proc filesystem
 -> creating base tarball [/home/dancer/cvscheckout/external/pbuilder/pbuilder/testsuite/tmp.ghHlb1/testimage]
 -> cleaning the build env 
    -> removing directory /var/cache/pbuilder/build//29632 and its subdirectories