`zef install --force Net::OSC` has errors

zef-install-errors.txt

ix $ zef install --force Net::OSC                                                                                     ~ (master)
===> Searching for: Net::OSC
===> Testing: Net::OSC:ver('0.2.0')
===SORRY!=== Error while compiling /Users/*****/.zef/store/Net-OSC.git/0fce4750f4721f7ac54d8b8484d7be0806d3374d/lib/Net/OSC/Bundle.pm6 (Net::OSC::Bundle)
Undeclared routines:
    pack-uint32 used at line 68
    unpack-uint32 used at line 74

t/OSC/Bundle.t ...... Dubious, test returned 1
No subtests run
t/OSC/Message.t .....1/19# OSC type map:
# Blob	b
#  Rat	d
#  RatStr	d
#  Num	d
#  Int	i
#  Str	s
#  FatRat	d
#  IntStr	i

# package tests:
t/OSC/Message.t ..... ok
t/OSC/Server.t ...... ok
t/OSC/Server/UDP.t .. ok
t/basic.t ........... ok
t/tcp.t ............. ok
t/test-meta.t ....... ok
All tests successful.

Test Summary Report
-------------------
t/OSC/Bundle.t  (Wstat: 256 Tests: 0 Failed: 0)
Non-zero exit status: 1
  Parse errors: No plan found in TAP output
Files=7, Tests=42,  7 wallclock secs
Result: FAILED
===> Testing [FAIL]: Net::OSC:ver('0.2.0')
===> Installing: Net::OSC:ver('0.2.0')
===> Install [FAIL] for Net::OSC:ver('0.2.0'): ===SORRY!=== Error while compiling /Users/*****/site#sources/B8FA397907D74E4A4EBCDF10AE03DD5ED51BE08A (Net::OSC::Bundle)
Undeclared routines:
    pack-uint32 used at line 68
    unpack-uint32 used at line 74


===SORRY!=== Error while compiling /Users/*****/site#sources/B8FA397907D74E4A4EBCDF10AE03DD5ED51BE08A (Net::OSC::Bundle)
Undeclared routines:
    pack-uint32 used at line 68
    unpack-uint32 used at line 74


  in block  at /usr/local/Cellar/rakudo-star/2017.04/share/perl6/site/sources/4B1D5A60B59D9541E13F76E0E2A2D550E0144053 (Zef::Client) line 556
  in block  at /usr/local/Cellar/rakudo-star/2017.04/share/perl6/site/sources/4B1D5A60B59D9541E13F76E0E2A2D550E0144053 (Zef::Client) line 519
  in sub  at /usr/local/Cellar/rakudo-star/2017.04/share/perl6/site/sources/4B1D5A60B59D9541E13F76E0E2A2D550E0144053 (Zef::Client) line 508
  in method install at /usr/local/Cellar/rakudo-star/2017.04/share/perl6/site/sources/4B1D5A60B59D9541E13F76E0E2A2D550E0144053 (Zef::Client) line 600
  in sub MAIN at /usr/local/Cellar/rakudo-star/2017.04/share/perl6/site/sources/09969B10D9F270B8DBAAB9961FA7E6CDB8AD58C9 (Zef::CLI) line 139
  in block <unit> at /usr/local/Cellar/rakudo-star/2017.04/share/perl6/site/resources/85BD232410222F167A35B9969B036802FECD78D2 line 1