dump env vars
ZEF_TEST_DEGREE=1
ZEF_FETCH_DEGREE=1
install [HTML::Component]
...
/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: HTML::Component
===SORRY!=== Error while compiling /root/.sparky/.cache/fchlorikjauwtpnedqxy.126/.sparrowdo/site#sources/47CA1CB5194CA034296990B084ACB8C8A8D7F57F (HTML::Component::Tag::Role::Head)
Invalid typename 'Target' in parameter declaration.
at /root/.sparky/.cache/fchlorikjauwtpnedqxy.126/.sparrowdo/site#sources/47CA1CB5194CA034296990B084ACB8C8A8D7F57F (HTML::Component::Tag::Role::Head):5
------>     multi method base(Target<HERE> :$target!, *%_ where { .keys.none ~~ "h

===> Staging HTML::Component:ver<0.0.1>:auth<zef:FCO>