panda: broken on 10.6

[mojca (Mojca Miklavec)]

See ​the log:

cd "/path/to/build/panda-2016.02" && /opt/local/bin/perl6 bootstrap.pl --prefix=/opt/local
==> Bootstrapping Panda
==> Installing panda from a local directory '/path/to/build/panda-2016.02'
==> panda depends on File::Find, Shell::Command, JSON::Fast
==> Shell::Command depends on File::Find
==> Fetching File::Find
==> Building File::Find
==> Testing File::Find
Unknown option: e
Unknown option: norc
test stage failed for File::Find: Tests failed
  in method install at /path/to/build/panda-2016.02/lib/Panda.pm line 157
  in block  at /path/to/build/panda-2016.02/lib/Panda.pm line 229
  in method resolve at /path/to/build/panda-2016.02/lib/Panda.pm line 223
  in sub MAIN at bin/panda line 18
  in block <unit> at bin/panda line 150

Failure Summary
----------------
/path/to/build/panda-2016.02(
  *test stage failed for File::Find: Tests failed)
The spawned process exited unsuccessfully (exit code: 1)
  in sub MAIN at bootstrap.pl line 66
  in block <unit> at bootstrap.pl line 8