You probably want to remove that email address there.

Did you try this?

Please make sure that the configuration variable
    $CPAN::Config->{cpan_home}
points to a directory where you can write a .lock file. You can set
this variable in either
    /usr/lib/perl5/CPAN/Config.pm
or
    /home/andrew/.cpan/CPAN/MyConfig.pm
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