Module is not currently installable

[Xliff]

Here is output from latest install attempt:

$ zef install JsonC
===> Searching for: JsonC
===> Testing: JsonC:ver<0.0.3>:auth<github:salortiz>
# Failed test 'JsonC module can be use-d ok'
# at t/00-basic.t line 6
# ===SORRY!=== Error while compiling /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC)
# Can't use unknown trait 'is native' in a sub declaration.
# at /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC):49
#     expecting any of:
#         rw raw hidden-from-backtrace hidden-from-USAGE pure default
#         DEPRECATED inlinable nodal prec equiv tighter looser assoc
#         leading_docs trailing_docs
#         
#         or did you forget to 'use NativeCall'?
# 
# Failed test 'Class JSON ready'
# at t/00-basic.t line 12
# Failed test 'Created'
# at t/00-basic.t line 16
# Failed test 'The object does role 'Associative''
# at t/00-basic.t line 18
# Type: Failure doesn't do role Associative
# Failed test 'Smart match'
# at t/00-basic.t line 19
# Failed test 'The spected Str'
# at t/00-basic.t line 22
# expected: '{ "foo": "mamá", "arr": [ 1, 4, 10 ] }'
#      got: '(HANDLED) { "foo": "mamá", "arr": [ 1, 4, 10 ] }
# '
# Failed test 'Two elems'
# at t/00-basic.t line 24
# expected: '2'
#      got: '1'
{ "foo": "mamá", "arr": [ 1, 4, 10 ] }

Actually thrown at:
  in block <unit> at t/00-basic.t line 26

# Looks like you planned 27 tests, but ran 8
# Looks like you failed 7 tests of 8
===SORRY!=== Error while compiling /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC)
Can't use unknown trait 'is native' in a sub declaration.
at /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC):49
    expecting any of:
        rw raw hidden-from-backtrace hidden-from-USAGE pure default
        DEPRECATED inlinable nodal prec equiv tighter looser assoc
        leading_docs trailing_docs
        
        or did you forget to 'use NativeCall'?
===SORRY!=== Error while compiling /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC)
Can't use unknown trait 'is native' in a sub declaration.
at /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC):49
    expecting any of:
        rw raw hidden-from-backtrace hidden-from-USAGE pure default
        DEPRECATED inlinable nodal prec equiv tighter looser assoc
        leading_docs trailing_docs
        
        or did you forget to 'use NativeCall'?
===SORRY!=== Error while compiling /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC)
Can't use unknown trait 'is native' in a sub declaration.
at /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC):49
    expecting any of:
        rw raw hidden-from-backtrace hidden-from-USAGE pure default
        DEPRECATED inlinable nodal prec equiv tighter looser assoc
        leading_docs trailing_docs
        
        or did you forget to 'use NativeCall'?
===SORRY!=== Error while compiling /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC)
Can't use unknown trait 'is native' in a sub declaration.
at /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC):49
    expecting any of:
        rw raw hidden-from-backtrace hidden-from-USAGE pure default
        DEPRECATED inlinable nodal prec equiv tighter looser assoc
        leading_docs trailing_docs
        
        or did you forget to 'use NativeCall'?
===SORRY!=== Error while compiling /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC)
Can't use unknown trait 'is native' in a sub declaration.
at /home/cbwood/.zef/store/JsonC.git/77bcd21065811fc9582d673d0a6902f378db2989/lib/JsonC.pm6 (JsonC):49
    expecting any of:
        rw raw hidden-from-backtrace hidden-from-USAGE pure default
        DEPRECATED inlinable nodal prec equiv tighter looser assoc
        leading_docs trailing_docs
        
        or did you forget to 'use NativeCall'?
===> Testing [FAIL]: JsonC:ver<0.0.3>:auth<github:salortiz>
Aborting due to test failure: JsonC:ver<0.0.3>:auth<github:salortiz> (use --force-test to override)

[salortiz]

Seems fixed with the new release