zef (install Digest::SHA256::Native) build failure

gistfile1.txt

AMD64 system with Opensuse Leap 15.2 OS
bazzaar@linux:~> raku -v
This is Rakudo version 2020.05.1 built on MoarVM version 2020.05
implementing Raku 6.d.
-----------------------------------------
bazzaar@linux:~> zef --verbose install Digest::SHA256::Native
===> Searching for: Digest::SHA256::Native
===> Found: Digest::SHA256::Native:ver<0.03> [via Zef::Repository::LocalCache]
===> Building: Digest::SHA256::Native:ver<0.03>
[Digest::SHA256::Native] Command: /opt/rakudo-pkg/bin/rakudo -e require '/home/bazzaar/.zef/store/Digest-SHA256-Native-0.03.tar.gz/Digest-SHA256-Native-0.03/Build.pm'; ::('Build').new.build('/home/bazzaar/.zef/store/Digest-SHA256-Native-0.03.tar.gz/Digest-SHA256-Native-0.03') ?? exit(0) !! exit(1);
[Digest::SHA256::Native] ===SORRY!===
[Digest::SHA256::Native] No such method 'CALL-ME' for invocant of type 'Str'
===> Building [FAIL]: Digest::SHA256::Native:ver<0.03>
Aborting due to build failure: Digest::SHA256::Native:ver<0.03> (use --force-build to override)