zef installing specific version of perl6 module from metacpan

zef.pl6

nickl@li685-90:~/perl6/zef$ ZEF_PLUGIN_DEBUG=1 perl6 -Ilib bin/zef -v install "CSV::Parser:ver<0.1.2>"
Searching for CSV::Parser:ver<0.1.2>
[Plugin - cached] Checking: Zef::ContentStorage::LocalCache
[Plugin - cached]       (SKIP) Not enabled
[Plugin - p6c] Checking: Zef::ContentStorage::P6C
[Plugin - p6c]  (SKIP) Not enabled
[Plugin - cpan] Checking: Zef::ContentStorage::CPAN
[Plugin - cpan]         (OK) Plugin loaded successful
[Plugin - cpan] (OK) Plugin is now usable: Zef::ContentStorage::CPAN
[Plugin - git] Checking: Zef::Shell::git
[Plugin - git]  (OK) Plugin loaded successful
[Plugin - git]  (OK) Probing successful
[Plugin - git] (OK) Plugin is now usable: Zef::Shell::git
[Plugin - wget] Checking: Zef::Shell::wget
[Plugin - wget]         (OK) Plugin loaded successful
[Plugin - wget]         (OK) Probing successful
[Plugin - wget] (OK) Plugin is now usable: Zef::Shell::wget
[Zef::ContentStorage::CPAN] found CSV::Parser
Fetching `CSV::Parser:ver<0.1.2>` as CSV::Parser:ver('0.1.2'):auth('cpan:JDV')
[Zef::ContentStorage::CPAN] http://hack.p6c.org:5001/authors/id/J/JD/JDV/Perl6/CSV-Parser-0.1.2.tar.gz --> /home/nickl/.zef/store/CSV-Parser-0.1.2.tar.gz
[Zef::Extract] Extracting: /home/nickl/.zef/store/CSV-Parser-0.1.2.tar.gz
[Plugin - git] Checking: Zef::Shell::git
[Plugin - git]  (OK) Plugin loaded successful
[Plugin - git]  (OK) Probing successful
[Plugin - git] (OK) Plugin is now usable: Zef::Shell::git
[Plugin - unzip] Checking: Zef::Shell::unzip
[Plugin - unzip]        (OK) Plugin loaded successful
[Plugin - unzip]        (OK) Probing successful
[Plugin - unzip] (OK) Plugin is now usable: Zef::Shell::unzip
[Plugin - tar] Checking: Zef::Shell::tar
[Plugin - tar]  (OK) Plugin loaded successful
[Plugin - tar]  (OK) Probing successful
[Plugin - tar] (OK) Plugin is now usable: Zef::Shell::tar
Extracted to: /home/nickl/.zef/store/CSV--Parser/CSV-Parser-0.1.2
[DEBUG] Filtering CSV::Parser
[DEBUG] Processing CSV::Parser
Start test phase for: /home/nickl/.zef/store/CSV--Parser/CSV-Parser-0.1.2
[Plugin - prove6] Checking: Zef::Shell::prove6
[Plugin - prove6]       (OK) Plugin loaded successful
[Plugin - prove6]       (SKIP) Probing failed
[Plugin - prove] Checking: Zef::Shell::prove
[Plugin - prove]        (OK) Plugin loaded successful
[Plugin - prove]        (OK) Probing successful
[Plugin - prove] (OK) Plugin is now usable: Zef::Shell::prove
[Zef::Shell::prove] Testing: /home/nickl/.zef/store/CSV--Parser/CSV-Parser-0.1.2/t
t/01_multiline_csv.t ...
1..1
ok 1 -
ok
t/02_escaped_csv.t .....
1..1
ok 1 -
ok
t/03_delimiters_csv.t ..
1..1
ok 1 -
ok
t/04_binary_csv.t ......
1..1
ok 1 -
ok
All tests successful.
Files=4, Tests=4,  5 wallclock secs ( 0.03 usr  0.03 sys +  4.36 cusr  0.67 csys =  5.09 CPU)
Result: PASS
Testing passed for /home/nickl/.zef/store/CSV--Parser/CSV-Parser-0.1.2
Installing CSV::Parser#/home/nickl/.zef/store/CSV--Parser/CSV-Parser-0.1.2 to inst#/home/nickl/.rakudobrew/moar-nom/install/share/perl6/site