dump env vars
ZEF_TEST_DEGREE=1
ZEF_FETCH_DEGREE=1
install [Cro::RPC::JSON]
...
/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: Cro::RPC::JSON
Aborting due to test failure: Cro::RPC::JSON:ver<0.1.6>:auth<zef:vrurg>:api<2> (use --force-test to override)
===> Staging Cro::RPC::JSON:ver<0.1.6>:auth<zef:vrurg>:api<2>
===> Staging [OK] for Cro::RPC::JSON:ver<0.1.6>:auth<zef:vrurg>:api<2>
===> Testing: Cro::RPC::JSON:ver<0.1.6>:auth<zef:vrurg>:api<2>
===> Testing [FAIL]: Cro::RPC::JSON:ver<0.1.6>:auth<zef:vrurg>:api<2>