dump env vars
ZEF_TEST_DEGREE=1
ZEF_FETCH_DEGREE=1
install [Cairo]
...
/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: Cairo
Aborting due to test failure: Cairo:ver<0.3.6> (use --force-test to override)
===> Staging Cairo:ver<0.3.6>
===> Staging [OK] for Cairo:ver<0.3.6>
===> Testing: Cairo:ver<0.3.6>
[Cairo] # Running cairo version: 1.18.4 (module 0.3.6, Raku 2025.11)
===> Testing [FAIL]: Cairo:ver<0.3.6>