dump env vars
ZEF_TEST_DEGREE=5
ZEF_FETCH_DEGREE=1
install [Audio::Taglib::Simple]
...
/tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/site/bin/zef
1.0.0
/tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/bin//raku
Welcome to Rakudo™ v2025.11.
Implementing the Raku® Programming Language v6.d.
Built on MoarVM version 2025.11.
===> Searching for: Audio::Taglib::Simple
Aborting due to test failure: Audio::Taglib::Simple:ver<0.0.8> (use --force-test to override)
===> Staging Audio::Taglib::Simple:ver<0.0.8>
===> Staging [OK] for Audio::Taglib::Simple:ver<0.0.8>
===> Testing: Audio::Taglib::Simple:ver<0.0.8>
[Audio::Taglib::Simple] Cannot locate native library 'libtag_c.so.0': libtag_c.so.0: cannot open shared object file: No such file or directory
[Audio::Taglib::Simple]   in met
[Audio::Taglib::Simple] hod setup at /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/core/sources/9B3C3C2CD58DB40487146B95E1C2B56C1A96FF0E (NativeCall) line 359
[Audio::Taglib::Simple]   in method setup at /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d3
[Audio::Taglib::Simple] 5dff20d/share/perl6/core/sources/9B3C3C2CD58DB40487146B95E1C2B56C1A96FF0E (NativeCall) line 399
[Audio::Taglib::Simple]   in sub raku-nativecall at /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/core/sources/99F672B89ED8ED046771E2A225F434F99E4E6EF4 (NativeCall::Dispatcher) line 51
[Audio::Taglib::Simple]   in submethod BUILD at /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/site/sources/578216CE26118E8143FB911875EEF4B78AD4DA14 (Audio::Taglib::Simple) line 51
[Audio::Taglib::Simple]   in method new at /tmp/w
[Audio::Taglib::Simple] hateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/site/sources/578216CE26118E8143FB911875EEF4B78AD4DA14 (Audio::Taglib::Simple) line 35
[Audio::Taglib::Simple]   in block <unit> at t/basic.t line 6
[Audio::Taglib::Simple] 
===> Testing [FAIL]: Audio::Taglib::Simple:ver<0.0.8>