Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
1712/1712 systemd:libsystemd / test-sd-device                               TIMEOUT         181.37s   killed by signal 15 SIGTERM
>>> SYSTEMD_SLOW_TESTS=1 MALLOC_PERTURB_=211 PATH=/builddir/build/BUILD/systemd-257.5-build/systemd-257.5/redhat-linux-build:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/sbin PROJECT_BUILD_ROOT=/builddir/build/BUILD/systemd-257.5-build/systemd-257.5/redhat-linux-build ASAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1 MESON_TEST_ITERATION=1 UBSAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1 SYSTEMD_LANGUAGE_FALLBACK_MAP=/builddir/build/BUILD/systemd-257.5-build/systemd-257.5/src/locale/language-fallback-map EFI_ADDON=/builddir/build/BUILD/systemd-257.5-build/systemd-257.5/redhat-linux-build/src/boot/addonaa64.efi.stub MSAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1 LD_LIBRARY_PATH=/builddir/build/BUILD/systemd-257.5-build/systemd-257.5/redhat-linux-build/src/shared PYTHONDONTWRITEBYTECODE=1 /builddir/build/BUILD/systemd-257.5-build/systemd-257.5/redhat-linux-build/test-sd-device
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stderr:
/* test_devname_from_devnum */
/* test_sd_device_new_from_path */
/* test_sd_device_new_from_nulstr */
lo: setting devlink: /dev/disk/by-partuuid/1290d63a-42cc-4c71-b87c-xxxxxxxxxxxx
lo: setting devlink: /dev/disk/by-path/pci-0000:00:0f.0-scsi-0:0:0:0-part3
lo: setting devlink: /dev/disk/by-label/Arch\x20Linux
lo: setting devlink: /dev/disk/by-uuid/a07b87e5-4af5-4a59-bde9-yyyyyyyyyyyy
lo: setting devlink: /dev/disk/by-partlabel/Arch\x20Linux
lo: checking devlink: /dev/disk/by-partuuid/1290d63a-42cc-4c71-b87c-xxxxxxxxxxxx
lo: checking devlink: /dev/disk/by-path/pci-0000:00:0f.0-scsi-0:0:0:0-part3
lo: checking devlink: /dev/disk/by-label/Arch\x20Linux
lo: checking devlink: /dev/disk/by-uuid/a07b87e5-4af5-4a59-bde9-yyyyyyyyyyyy
lo: checking devlink: /dev/disk/by-partlabel/Arch\x20Linux
/* test_sd_device_get_child */
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Summary of Failures:
1712/1712 systemd:libsystemd / test-sd-device                               TIMEOUT         181.37s   killed by signal 15 SIGTERM
Ok:                 1679
Expected Fail:      0   
Fail:               0   
Unexpected Pass:    0   
Skipped:            32  
Timeout:            1   
Full log written to /builddir/build/BUILD/systemd-257.5-build/systemd-257.5/redhat-linux-build/meson-logs/testlog.txt
error: Bad exit status from /var/tmp/rpm-tmp.PhFrd9 (%check)
RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.PhFrd9 (%check)
The build failed in the %check phase due to a timeout in a test.