dump env vars
ZEF_TEST_DEGREE=5
ZEF_FETCH_DEGREE=1
install [File::Find::Duplicates]
...
/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: File::Find::Duplicates
===SORRY!=== Error while compiling /root/.sparky/.cache/wadilhjbrnfvmkscouyq.126/.sparrowdo/site#sources/3C3A0AEF074BF4CE7425AB09CA94C881E2FA81E7 (File::Find::Duplicates)
Could not find Digest in:
    /tmp/.zef.1764097053.132240/1764097082.132240.1961.6205740651603
    /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/site
    /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/vendor
    /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/core
    CompUnit::Repository::AbsolutePath<3808049781984>
    CompUnit::Repository::NQP<3808034350360>
    CompUnit::Repository::Perl5<3808034350400>
at /root/.sparky/.cache/wadilhjbrnfvmkscouyq.126/.sparrowdo/site#sources/3C3A0AEF074BF4CE7425AB09CA94C881E2FA81E7 (File::Find::Duplicates):5

===> Staging File::Find::Duplicates