XML/Stream.pm: Can't call method "can_read" on an undefined value

[tgr]

I get this when I try to install the module on Ubuntu 22.04 with cpanm:

Building and testing Net-XMPP-1.05
Building Net-XMPP
t/1_load.t ............... ok
t/2_client_jabberd1.4.t .. ok
t/3_client_jabberd2.t .... ok
Subroutine SASLAuth redefined at /usr/local/share/perl/5.34.0/XML/Stream.pm line 2184.
Can't call method "can_read" on an undefined value at /usr/local/share/perl/5.34.0/XML/Stream.pm line 1436.
# Looks like your test exited with 22 just after 6.
t/gtalk.t ................ 
Dubious, test returned 22 (wstat 5632, 0x1600)
Failed 26/32 subtests 
        (less 4 skipped subtests: 2 okay)
t/iq.t ................... ok
t/jid.t .................. ok
t/memory_cycle.t ......... skipped: Need Test::Memory::Cycle
t/memory_leak.t .......... skipped: Need Devel::LeakGuard::Object
t/message.t .............. ok
t/packet_iqauth.t ........ ok
t/packet_iqroster.t ...... ok
t/presence.t ............. ok
t/rawxml.t ............... ok
t/roster.t ............... ok
t/srv.t .................. ok

Test Summary Report
-------------------
t/gtalk.t              (Wstat: 5632 Tests: 6 Failed: 0)
  Non-zero exit status: 22
  Parse errors: Bad plan.  You planned 32 tests but ran 6.
Files=15, Tests=663,  6 wallclock secs ( 0.13 usr  0.02 sys +  3.07 cusr  0.41 csys =  3.63 CPU)
Result: FAIL
Failed 1/15 test programs. 0/663 subtests failed.
-> FAIL Installing Net::XMPP failed. See /root/.cpanm/work/1701656032.32541/build.log for details. Retry with --force to force install it.

[tgr]

Maybe this is a duplicate of #11? I don't think there's any network sandboxing going on though (it's a DigitalOcean droplet with default settings).