FreeBSD-main-amd64-test - Build #25002 - Still Unstable

FreeBSD-main-amd64-test - Build #25002 (280085ef0c9d754711d68ac74ccd98b58f54c716) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25002/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25002/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25002/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

5fbe8912d6a2d1178468d1994c301d4c7cd4f975 by des:
libdiff: Improve function prototype detection.

d9a9f23d0b3f1676d5656b76301341c0037d15b7 by des:
diff: Integrate libdiff from OpenBSD GoT.

7534109d13a6cdb22e78d9d4c0a0cd5efd323c45 by des:
libc: Improve description of mktime() / timegm().

aa69e0f212630bd6d4ec1c3c54e117be16653e8a by des:
touch: Allow setting the timestamp to -1.

74a4aa9b1517d92bfa85b0b1cd7d4c1262bb1ef9 by des:
touch: Add unit tests.

437d53daf71a357aae960881ef037564736f7441 by des:
ln: Use stdbool, style nits.

e0afcbc85690b6464706ead57103baa0493fdfb2 by des:
ln: Clean up and simplify tests.

2ae8d34666a6dea4c1c77a1905c7b8cebd6a21f9 by des:
ln: Add a test case for ln -sfF.

2cab4be46b0eeb64b8ade010bc16245151af5ccd by des:
install: Prefer strsnvis() to strsvis().

ed505f893ab08aa61e2a1046ae54df357a108260 by tuexen:
tcp bblog: use correct length

280085ef0c9d754711d68ac74ccd98b58f54c716 by jhibbits:
tools/git: ensure git-arc is more platform indepdendent



The failed test cases:

2 tests failed.
FAILED:  sys.fs.tmpfs.times_test.empty

Error Message:
Test case was expecting a failure but none were raised

FAILED:  cddl.usr.sbin.zfsd.zfsd_unittest.main

Error Message:
Received signal 6