dump env vars
ZEF_TEST_DEGREE=1
ZEF_FETCH_DEGREE=1
install [App::pack.raku]
...
/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: App::pack.raku
===SORRY!=== Error while compiling /root/.sparky/.cache/wxsbpikdcfomluervhan.126/.sparrowdo/site#sources/0EC0AF918A8F13741BB6361704B2F43F995D5D85 (App::pack)
Could not find JSON::Fast in:
    /tmp/.zef.1764081944.8616/1764081948.8616.1410.6079626553758
    /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<4823199496976>
    CompUnit::Repository::NQP<4823189555640>
    CompUnit::Repository::Perl5<4823189555680>
at /root/.sparky/.cache/wxsbpikdcfomluervhan.126/.sparrowdo/site#sources/0EC0AF918A8F13741BB6361704B2F43F995D5D85 (App::pack):4

===> Staging App::pack.raku:ver<0.1.53>:auth<zef:grizzlysmit>