pi-gen build failed with exit code 2 Current default time zone: 'Europe/London' Local time is now: Wed Jul 9 17:31:31 BST 2025. Universal Time is now: Wed Jul 9 16:31:31 UTC 2025. ls: cannot access 'shared_files': No such file or directory real 33m1.014s user 0m0.220s sys 0m0.385s