[FreeBSD] Hang on Install w/ Errors

[pprocacci]

uname -a
FreeBSD nas.myhome 12.1-STABLE FreeBSD 12.1-STABLE r354873 GENERIC amd64

A truss produces a continuous stream of the following:
nanosleep({ 0.010000000 }) = 0 (0x0)
getrusage(RUSAGE_SELF,{ u=11.187689,s=1.883396,in=196,out=39 }) = 0 (0x0)

While attempting to install via zef:

===> Testing: cro:ver<0.8.3>
Check service up attempt 1: connection refused
Check service up attempt 2: connection refused
Check service up attempt 3: Timed out after 10s
Check service up attempt 4: connection refused
Check service up attempt 5: connection refused
Check service up attempt 6: connection refused
Check service up attempt 7: connection refused
Check service up attempt 8: connection refused
Check service up attempt 9: connection refused
Check service up attempt 10: connection refused
Check service up attempt 11: connection refused
Check service up attempt 12: connection refused
Check service up attempt 13: connection refused
Check service up attempt 14: connection refused
Check service up attempt 15: connection refused
Check service up attempt 16: connection refused
Check service up attempt 17: connection refused
Check service up attempt 18: connection refused
Check service up attempt 19: connection refused
Check service up attempt 20: connection refused
Check service up attempt 21: connection refused
Check service up attempt 22: connection refused
Check service up attempt 23: connection refused
Check service up attempt 24: connection refused
Check service up attempt 25: connection refused
Check service up attempt 26: connection refused
Check service up attempt 27: connection refused
Check service up attempt 28: Timed out after 10s
Check service up attempt 29: connection refused
Check service up attempt 30: connection refused
Check service up attempt 31: connection refused
Check service up attempt 32: connection refused
Check service up attempt 33: connection refused
Check service up attempt 34: connection refused
Check service up attempt 35: connection refused
Check service up attempt 36: connection refused
Check service up attempt 37: connection refused
Check service up attempt 38: connection refused
Check service up attempt 39: connection refused
Check service up attempt 40: Timed out after 10s
Failed test 'Could call the started service'
at t/tools-runner.t line 63
Failed test 'Got expected response from service'
at t/tools-runner.t line 64
expected: 'Service 1 OK'
got: (Any)
Failed test 'Was not on STDERR'
at t/tools-runner.t line 68
Failed test 'Got log line mentioning status code'
at t/tools-runner.t line 69