FAILs on newer Perl6 MoarVM

[zakame]

Encountered this during an install of zef install Task::Star. Digging deeper:

θ75° [zakame:~] 15s 1 % zef install Grammar::Profiler::Simple
===> Searching for: Grammar::Profiler::Simple
===> Testing: Grammar::Profiler::Simple:ver('0.01'):auth('Jonathan Scott Duff')
No such method 'name' for invocant of type 'Mu'
  in block  at /home/zakame/.zef/store/Grammar-Profiler-Simple.git/f828d80e3774a5c81033027e8d8be4f66d1e7db1/lib/Grammar/Profiler/Simple.pm (Grammar::Profiler::Simple) line 14
  in block  at /home/zakame/.zef/store/Grammar-Profiler-Simple.git/f828d80e3774a5c81033027e8d8be4f66d1e7db1/lib/Grammar/Profiler/Simple.pm (Grammar::Profiler::Simple) line 17
  in block  at /home/zakame/.zef/store/Grammar-Profiler-Simple.git/f828d80e3774a5c81033027e8d8be4f66d1e7db1/lib/Grammar/Profiler/Simple.pm (Grammar::Profiler::Simple) line 17
  in block  at /home/zakame/.zef/store/Grammar-Profiler-Simple.git/f828d80e3774a5c81033027e8d8be4f66d1e7db1/lib/Grammar/Profiler/Simple.pm (Grammar::Profiler::Simple) line 17
  in block <unit> at t/csv.t line 23

===> Testing [FAIL]: Grammar::Profiler::Simple:ver('0.01'):auth('Jonathan Scott Duff')
Aborting due to test failure: Grammar::Profiler::Simple:ver('0.01'):auth('Jonathan Scott Duff') (use --force-test to override)
  in code  at /home/zakame/.rakudobrew/moar-2017.05/install/share/perl6/site/sources/5CBAAFEFAAB1740958A5BF3BCD5E24C04D43EEB5 (Zef::Client) line 373
  in method test at /home/zakame/.rakudobrew/moar-2017.05/install/share/perl6/site/sources/5CBAAFEFAAB1740958A5BF3BCD5E24C04D43EEB5 (Zef::Client) line 351
  in code  at /home/zakame/.rakudobrew/moar-2017.05/install/share/perl6/site/sources/5CBAAFEFAAB1740958A5BF3BCD5E24C04D43EEB5 (Zef::Client) line 528
  in sub  at /home/zakame/.rakudobrew/moar-2017.05/install/share/perl6/site/sources/5CBAAFEFAAB1740958A5BF3BCD5E24C04D43EEB5 (Zef::Client) line 525
  in method install at /home/zakame/.rakudobrew/moar-2017.05/install/share/perl6/site/sources/5CBAAFEFAAB1740958A5BF3BCD5E24C04D43EEB5 (Zef::Client) line 631
  in sub MAIN at /home/zakame/.rakudobrew/moar-2017.05/install/share/perl6/site/sources/EC4CB3A653760AFCB434D28800A3F559EA8634E0 (Zef::CLI) line 152
  in block <unit> at /home/zakame/.rakudobrew/moar-2017.05/install/share/perl6/site/resources/007D5E5A61B87BAA8B85A58771E235214AFADB77 line 1

θ82° [zakame:~] 24s 1 % perl6 -v
This is Rakudo version 2017.05 built on MoarVM version 2017.05
implementing Perl 6.c.

Probably similar to #1. I think I can prepare a fix in a PR.

[zakame]

Thanks! 🎉