dump env vars
ZEF_TEST_DEGREE=5
ZEF_FETCH_DEGREE=1
install [Asserter]
...
/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: Asserter
Aborting due to test failure: Asserter:ver<0.1.0>:auth<zef:witawayar> (use --force-test to override)
===> Staging Asserter:ver<0.1.0>:auth<zef:witawayar>
===> Staging [OK] for Asserter:ver<0.1.0>:auth<zef:witawayar>
===> Testing: Asserter:ver<0.1.0>:auth<zef:witawayar>
[Asserter] ===SORRY!===
[Asserter] Local '$_val' already declared
===> Testing [FAIL]: Asserter:ver<0.1.0>:auth<zef:witawayar>