dump env vars
ZEF_TEST_DEGREE=5
ZEF_FETCH_DEGREE=1
install [Geo::WellKnownText]
...
/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: Geo::WellKnownText
===SORRY!=== Error while compiling /root/.sparky/.cache/xklrpoqmtdfgbeijszan.126/.sparrowdo/site#sources/55DEB23DF3A55B2584E602E45292ACD3B9BFB9DA (Geo::WellKnownText)
===SORRY!=== Error while compiling /root/.sparky/.cache/xklrpoqmtdfgbeijszan.126/.sparrowdo/site#sources/7F1B79BB50289F32BF1AF588E6F64962F7216D75 (Geo::WellKnownText::Grammar)
Could not find Grammar::Tracer in:
    /tmp/.zef.1764099760.185863/1764099773.185863.6726.309404625609
    /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<6200949823880>
    CompUnit::Repository::NQP<6201034609080>
    CompUnit::Repository::Perl5<6201034609120>
at /root/.sparky/.cache/xklrpoqmtdfgbeijszan.126/.sparrowdo/site#sources/7F1B79BB50289F32BF1AF588E6F64962F7216D75 (Geo::WellKnownText::Grammar):1

at /root/.sparky/.cache/xklrpoqmtdfgbeijszan.126/.sparrowdo/site#sources/55DEB23DF3A55B2584E602E45292ACD3B9BFB9DA (Geo::WellKnownText):2

===> Staging Geo::WellKnownText:ver<0.1.4>:auth<zef:kjpye>