Fix encoding issue

get_output should probably decode automatically, but for now this is enough.

bisectable.pl

@@ -97,7 +97,7 @@ sub process_message {
 
     if ($exit_good == $exit_bad and $out_good eq $out_bad) {
       $self->tell($message, "On both starting points the exit code is $exit_bad and the output is identical as well");
-      return "Output on both points: $out_good"; # will be gisted automatically if required
+      return 'Output on both points: ' . decode_utf8($out_good); # will be gisted automatically if required
     }
     my $output_file = '';
     if ($exit_good == $exit_bad) {

committable.pl

@@ -82,6 +82,7 @@ sub process_message {
         $out = 'No build for this commit';
       } else { # actually run the code
         ($out, my $exit, my $time) = $self->get_output($self->BUILDS . "/$full_commit/bin/perl6", $filename);
+        $out = decode_utf8($out);
         $out .= " exit code = $exit" if ($exit != 0);
       }
       my $short_commit = substr($commit, 0, 7);