FreeBSD 15.0-CURRENT with an inexplicably inferior user environment (1500001)

% uname -KU
1500002 1500001
% ls -hln /var/log/build*.log
-rw-r--r--  1 1002 0  1.7M 21 Oct 01:06 /var/log/buildkernel.log
-rw-r--r--  1 1002 0  2.0M 21 Oct 00:40 /var/log/buildworld.log
% ls -hln /var/log/install*.log
-rw-r--r--  1 1002 0  669K 21 Oct 03:00 /var/log/installkernel.log
-rw-r--r--  1 1002 0  5.1M 21 Oct 03:20 /var/log/installworld.log
% grep -C 2 completed\ on /var/log/buildworld.log
      336.25 real       777.80 user       137.40 sys
--------------------------------------------------------------
>>> World build completed on Sat Oct 21 00:40:14 BST 2023
>>> World built in 2425 seconds, ncpu: 8, make -j24
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% grep -C 2 completed\ on /var/log/buildkernel.log
      783.08 real      4275.76 user       460.63 sys
--------------------------------------------------------------
>>> Kernel build for GENERIC completed on Sat Oct 21 00:53:18 BST 2023
--------------------------------------------------------------
--------------------------------------------------------------
--
      763.34 real      4529.19 user       464.41 sys
--------------------------------------------------------------
>>> Kernel build for GENERIC-NODEBUG completed on Sat Oct 21 01:06:02 BST 2023
--------------------------------------------------------------
>>> Kernel(s)  GENERIC GENERIC-NODEBUG built in 1548 seconds, ncpu: 8, make -j24
% grep -C 1 completed\ on /var/log/installkernel.log
--------------------------------------------------------------
>>> Installing kernel GENERIC completed on Sat Oct 21 02:58:58 BST 2023
--------------------------------------------------------------
--
--------------------------------------------------------------
>>> Installing kernel GENERIC-NODEBUG completed on Sat Oct 21 03:00:41 BST 2023
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% grep -C 2 everything\ completed\ on /var/log/installworld.log
       50.69 real        10.69 user        13.66 sys
--------------------------------------------------------------
>>> Installing everything completed on Sat Oct 21 03:20:26 BST 2023
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      481.66 real       101.69 user       180.78 sys
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