dump env vars
ZEF_TEST_DEGREE=5
ZEF_FETCH_DEGREE=1
install [Ecosystem::Archive]
...
/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: Ecosystem::Archive
===SORRY!=== Error while compiling /root/.sparky/.cache/horjfbuadlcmtsypwqkz.130/.sparrowdo/site#sources/1EF892E2C80797E44D931C1965AF9C3F233C3EB9 (Rakudo::CORE::META)
An exception X::TypeCheck::Binding occurred while evaluating a constant:
Type check failed in binding; expected Associative but got Nil
at /root/.sparky/.cache/horjfbuadlcmtsypwqkz.130/.sparrowdo/site#sources/1EF892E2C80797E44D931C1965AF9C3F233C3EB9 (Rakudo::CORE::META):15
Exception details:
  Type check failed in binding; expected Associative but got Nil
    in block  at /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/site/sources/1EF892E2C80797E44D931C1965AF9C3F233C3EB9 (Rakudo::CORE::META) line 16


===> Searching for missing dependencies: Cro::HTTP:ver<0.8.7>, paths:ver<10.0.2>:auth<zef:lizmat>, Rakudo::CORE::META:ver<0.0.3>:auth<zef:lizmat>, Identity::Utils:ver<0.0.4>:auth<zef:lizmat>
===> Searching for missing dependencies: Cro::Core:ver<0.8.7>, Cro::TLS:ver<0.8.7>, String::Utils:ver<0.0.3>:auth<zef:lizmat>
===> Staging Cro::Core:ver<0.8.7>
===> Staging [OK] for Cro::Core:ver<0.8.7>
===> Staging Cro::TLS:ver<0.8.7>
===> Staging [OK] for Cro::TLS:ver<0.8.7>
===> Staging Cro::HTTP:ver<0.8.7>
===> Staging [OK] for Cro::HTTP:ver<0.8.7>
===> Staging paths:ver<10.0.2>:auth<zef:lizmat>
===> Staging [OK] for paths:ver<10.0.2>:auth<zef:lizmat>
===> Staging Rakudo::CORE::META:ver<0.0.3>:auth<zef:lizmat>