Ebuild 2.1.1 has a missing or malformed copyright/licensing header.
[Notice] Ebuild 2.1.1 has an invalid header. It should start with a valid copyright line (e.g., '# Copyright YEARS MAIN-CONTRIBUTOR') and the GPLv2 distribution text followed by an empty line.
[Warning] Ebuild 2.1.1 has a line exceeding 80 positions on line 9.
[Error] Manifest entry for unused DIST file 'base58-2.1.1.tar.gz'
[Error] Repository is missing a repo-name in metadata/layout.conf or profiles/repo_name
[Notice] Package has only unstable keywords for arch(es): [ amd64 ], all versions are unstable: [ 2.1.1 ]
[Error] Package has no maintainers defined in metadata.xml
[Error] Package has no maintainers but is missing the <!-- maintainer-needed --> comment in metadata.xml