Core arb AM selection also depends on retzero

1 job for retzero in 30 seconds (queued for 1 second)
Name Stage Failure
failed
vunit Build
fail 12 of 31
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Total time was 19.9 seconds
Elapsed time was 20.0 seconds
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Some failed!
/usr/local/lib/python3.7/dist-packages/vunit/builtins.py:114: Warning: 'array_t' is deprecated and it will removed in future releases;use 'integer_array_t' instead
warn(arr_deprecation_note, Warning)
ERROR: Job failed: exit code 1