/usr/lib/perl6/sources/ is in rakudo 2018.03-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/perl6/sources/09A0291155A88760B69483D7F27D1FBD8A131A35
/usr/lib/perl6/sources/24DD121B5B4774C04A7084827BFAD92199756E03
/usr/lib/perl6/sources/2ACCA56EF5582D3ED623105F00BD76D7449263F7
/usr/lib/perl6/sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1
/usr/lib/perl6/sources/522BE83A1D821D8844E8579B32BA04966BAB7B87
/usr/lib/perl6/sources/5DD1D8B49C838828E13504545C427D3D157E56EC
/usr/lib/perl6/sources/AAC61C0EC6F88780427830443A057030CAA33846
/usr/lib/perl6/sources/C57EBB9F7A3922A4DA48EE8FCF34A4DC55942942
/usr/lib/perl6/sources/C712FE6969F786C9380D643DF17E85D06868219E
/usr/lib/perl6/sources/FBA542C3C62C08EB82C1F4D25BE7B4696F41B923
/usr/lib/perl6/sources/FE7156F9200E802D3DB8FA628CF91AD6B020539B