use STDERR not STDOUT for debugging the perl libdir probe

diff --git a/lib/System/Introspector/Probe/LibDirs/Perl.pm b/lib/System/Introspector/Probe/LibDirs/Perl.pm
index b88b689..f242af1 100644 (file)
--- a/lib/System/Introspector/Probe/LibDirs/Perl.pm
+++ b/lib/System/Introspector/Probe/LibDirs/Perl.pm
@@ -13,7 +13,7 @@ has root => (
     default => sub { '/' },
 );
 
-sub _log { shift; printf "[%s] %s\n", scalar(localtime), join '', @_ }
+sub _log { shift; warn sprintf "[%s] %s\n", scalar(localtime), join '', @_ }
 
 sub gather {
     my ($self) = @_;