/usr/lib/x86_64-linux-gnu/perl5/ is in libsearch-xapian-perl 1.2.21.0-1build2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.22/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Search/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Search/Xapian/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Search/Xapian/Xapian.so
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/SerialisationError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/BoolWeight.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/InvalidArgumentError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Enquire.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/TermIterator.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/TermGenerator.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/RangeError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/ESet.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/WritableDatabase.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/LogicError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/NetworkError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DatabaseOpeningError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/ESetIterator.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/RSet.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/MSetIterator.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Query.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Database.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/QueryParser.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/UnimplementedError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DatabaseModifiedError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/MSet.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/NetworkTimeoutError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/AssertionError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/PositionIterator.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/PostingIterator.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/MSet/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/MSet/Tied.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/FeatureUnavailableError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/SimpleStopper.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Document.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Stem.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DatabaseError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DatabaseLockError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/PerlStopper.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DocNotFoundError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Stopper.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DatabaseCreateError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/InvalidOperationError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Error.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/Weight.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/InternalError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/RuntimeError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DatabaseCorruptError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/ValueIterator.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/DatabaseVersionError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/TradWeight.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/MultiValueSorter.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/QueryParserError.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Search/Xapian/BM25Weight.pm