Failure in t/perl5-compat.t and no plan found.

[cschwenz]

$ panda install Digest::MD5
==> Fetching Digest::MD5
==> Building Digest::MD5
==> Testing Digest::MD5
t/0-load-module.t .. 
All 1 subtests passed 
Too few positionals passed; expected 4 arguments but got 3
  in block  at /home/cschwenz/.panda-work/1442071906_1/lib/Digest/MD5.pm:37
  in sub infix:<⊞> at /home/cschwenz/.panda-work/1442071906_1/lib/Digest/MD5.pm:7
  in sub md5-block at /home/cschwenz/.panda-work/1442071906_1/lib/Digest/MD5.pm:45
  in sub md5 at /home/cschwenz/.panda-work/1442071906_1/lib/Digest/MD5.pm:53
  in method md5_hex at /home/cschwenz/.panda-work/1442071906_1/lib/Digest/MD5.pm:57
  in block <unit> at t/perl5-compat.t:18

t/perl5-compat.t ... 
No subtests run 

Test Summary Report
-------------------
t/0-load-module.t (Wstat: 0 Tests: 1 Failed: 0)
  Parse errors: No plan found in TAP output
t/perl5-compat.t (Wstat: 0 Tests: 0 Failed: 0)
  Parse errors: No plan found in TAP output
Files=2, Tests=1, 38 wallclock secs ( 0.11 usr  0.02 sys + 36.89 cusr  0.87 csys = 37.89 CPU)
Result: FAIL
test stage failed for Digest::MD5: Tests failed
  in method throw at /home/cschwenz/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm:1
  in method install at /home/cschwenz/.rakudobrew/moar-nom/install/share/perl6/site/lib/Panda.pm:142
  in method resolve at /home/cschwenz/.rakudobrew/moar-nom/install/share/perl6/site/lib/Panda.pm:219
  in sub MAIN at /home/cschwenz/.rakudobrew/bin/../moar-nom/install/share/perl6/site/bin/panda:18
  in block <unit> at /home/cschwenz/.rakudobrew/bin/../moar-nom/install/share/perl6/site/bin/panda:95


Failure Summary
----------------
Digest::MD5(
  *test stage failed for Digest::MD5: Tests failed)

My perl6 version is:

$ perl6 --version
This is perl6 version 2015.07.1-854-g8876f4d built on MoarVM version 2015.08-15-g4b427ed

[FROGGS]

I just fixed it with commit 8dc9510, though you need upgrade your rakudo to get the GLR changes...
Note that this might break your code, because less flattening happens by default.