From @jdv

[jdv@​wieldy p6-uri2]$ perl6 -Ilib t/01-basic.t
===SORRY!===
Type 'URI2​::Authority​::Host' is not declared
at /home/jdv/p6-uri2/lib/URI2/Authority.pm6​:8
------> has URI2​::Authority​::Host⏏ $.host;
Malformed has
at /home/jdv/p6-uri2/lib/URI2/Authority.pm6​:8
------> has URI2​::Authority​::⏏Host $.host;

===SORRY!===
Type 'URI2​::Authority​::Host' is not declared
at /home/jdv/p6-uri2/lib/URI2/Authority.pm6​:8
------> has URI2​::Authority​::Host⏏ $.host;
Malformed has
at /home/jdv/p6-uri2/lib/URI2/Authority.pm6​:8
------> has URI2​::Authority​::⏏Host $.host;

===SORRY!===
Type 'URI2​::Authority​::Host' is not declared
at /home/jdv/p6-uri2/lib/URI2/Authority.pm6​:8
------> has URI2​::Authority​::Host⏏ $.host;
Malformed has
at /home/jdv/p6-uri2/lib/URI2/Authority.pm6​:8
------> has URI2​::Authority​::⏏Host $.host;

Unhandled exception​: This type cannot unbox to a native integer
  at <unknown>​:1
(/home/jdv/rakudo/install/share/perl6/runtime/CORE.setting.moarvm​:print_exception​:4294967295)
  from gen/moar/m-CORE.setting​:19823
(/home/jdv/rakudo/install/share/perl6/runtime/CORE.setting.moarvm​:<anon>​:40)
  from gen/moar/stage2/NQPHLL.nqp​:1434
(/home/jdv/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval​:380)
  from src/Perl6/Compiler.nqp​:65
(/home/jdv/rakudo/install/share/nqp/lib/Perl6/Compiler.moarvm​:command_eval​:93)
  from gen/moar/stage2/NQPHLL.nqp​:1374
(/home/jdv/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line​:114)
  from gen/moar/m-main.nqp​:37
(/home/jdv/rakudo/install/share/perl6/runtime/perl6.moarvm​:MAIN​:18)
  from gen/moar/m-main.nqp​:33
(/home/jdv/rakudo/install/share/perl6/runtime/perl6.moarvm​:<mainline>​:189)
  from <unknown>​:1
(/home/jdv/rakudo/install/share/perl6/runtime/perl6.moarvm​:<main>​:8)
  from <unknown>​:1
(/home/jdv/rakudo/install/share/perl6/runtime/perl6.moarvm​:<entry>​:9)
[jdv@​wieldy p6-uri2]$ git config -l | grep remote.*url
remote.origin.url=git@​github.com​:jdv/p6-uri2.git
[jdv@​wieldy p6-uri2]$ perl6 -v
This is rakudo version 2015.11-520-ge160c98 built on MoarVM version
2015.11-44-ge7edb06 implementing Perl v6.b.
[jdv@​wieldy p6-uri2]$

From @niner

Fixed in commit b384d8f777f6169052c25e5cc37353f01b8f5f1a

@niner - Status changed from 'new' to 'resolved'