[Notice] Ebuild 9999 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.
[Error] Ebuild dev-db/cstore_fdw/cstore_fdw-9999.ebuild attempts to install into invalid path '/extension' using 'insinto'.
[Warning] Incorrect _md5_ in md5-cache for cstore_fdw-9999. Expected 62d01a677899cecc3107a343420356d5, got 72a7badb8870ecafe25a1cdb5e06ee51
[Error] Invalid or missing metadata.xml: open dev-db/cstore_fdw/metadata.xml: file does not exist