Ebuild 1.0.1 has a missing or malformed copyright/licensing header.
[Error] Ebuild 1.0.1 uses an obsolete EAPI '0'. EAPIs 0 to 4 are obsolete and must no longer be used.
[Notice] Ebuild 1.0.1 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 9999 has a line exceeding 80 positions on line 15.
[Error] Ebuild 9999 KEYWORDS is defined multiple times. It must be defined at most once.
[Error] Ebuild 1.0.1 does not specify LICENSE
[Warning] Ebuild 1.0.1 is missing DESCRIPTION
[Warning] Ebuild 1.0.1 is missing HOMEPAGE
[Warning] Ebuild 1.0.1 has empty KEYWORDS
[Warning] Ebuild 1.0.1 is missing the SLOT variable.
[Error] Manifest entry for unused DIST file 'tarantool_gperftools-1.0.1.tar.gz'
[Error] Repository is missing a repo-name in metadata/layout.conf or profiles/repo_name
[Error] Invalid or missing metadata.xml: open dev-lua/gperftools/metadata.xml: file does not exist