[...]

===========================
Skipping test: not a native Windows system
SKIP: test-wcrtomb-w32-7.sh
===========================
Skipping test: not a native Windows system
============================================================================
Testsuite summary for GNU grep 3.7
============================================================================
# TOTAL: 200
# PASS:  192
# SKIP:  7
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0
============================================================================
See gnulib-tests/test-suite.log
Please report to bug-grep@gnu.org
============================================================================
make[6]: *** [Makefile:4621: test-suite.log] Error 1
make[6]: Leaving directory '/tmp/B.1aV_fH/BUILD/grep-3.7/gnulib-tests'
make[5]: *** [Makefile:4729: check-TESTS] Error 2
make[5]: Leaving directory '/tmp/B.1aV_fH/BUILD/grep-3.7/gnulib-tests'
make[4]: *** [Makefile:6220: check-am] Error 2
make[4]: Leaving directory '/tmp/B.1aV_fH/BUILD/grep-3.7/gnulib-tests'
make[3]: *** [Makefile:4513: check-recursive] Error 1
make[3]: Leaving directory '/tmp/B.1aV_fH/BUILD/grep-3.7/gnulib-tests'
make[2]: *** [Makefile:6222: check] Error 2
make[2]: Leaving directory '/tmp/B.1aV_fH/BUILD/grep-3.7/gnulib-tests'
make[1]: *** [Makefile:1710: check-recursive] Error 1
make[1]: Leaving directory '/tmp/B.1aV_fH/BUILD/grep-3.7'
make: *** [Makefile:2135: check-expensive] Error 2
error: Bad exit status from /tmp/B.1aV_fH/BUILD/tmp/rpm-tmp.63614 (%build)
RPM build errors:
    Bad exit status from /tmp/B.1aV_fH/BUILD/tmp/rpm-tmp.63614 (%build)
ended at: Sat May 28 15:45:21 2022, done in 0:02:39.881539
error: No files produced.
+ chmod -R u+rwX /tmp/B.1aV_fH/BUILD
+ rm -rf /tmp/B.1aV_fH/tmp /tmp/B.1aV_fH/BUILD
+ rm -rf /tmp/B.1aV_fH
Begin-TLD-Builder-Info
Build-Time: user:133.06s sys:35.82s real:160.64s (faults io:221 non-io:7143418)
End-TLD-Builder-Info