==================== Test output for //pkg/privilege/privileges/ldap:ldap_test (shard 3 of 4):
=== RUN   TestConnectWithTLS11
    ldap_common_test.go:133: 
        	Error Trace:	pkg/privilege/privileges/ldap/ldap_common_test.go:133
        	            				src/runtime/asm_amd64.s:1650
        	Error:      	Received unexpected error:
        	            	listen tcp 127.0.0.1:18328: bind: address already in use
        	Test:       	TestConnectWithTLS11
    ldap_common_test.go:174: 
        	Error Trace:	pkg/privilege/privileges/ldap/ldap_common_test.go:174
        	Error:      	Error "create ldap connection: LDAP Result Code 200 \"Network Error\": dial tcp [::1]:18328: connect: connection refused" does not contain "protocol version not supported"
        	Test:       	TestConnectWithTLS11
--- FAIL: TestConnectWithTLS11 (1.66s)
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
	panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0xe92015]

goroutine 117 [running]:
testing.tRunner.func1.2({0xf51800, 0x194e4d0})
	GOROOT/src/testing/testing.go:1545 +0x238
testing.tRunner.func1()
	GOROOT/src/testing/testing.go:1548 +0x397
panic({0xf51800?, 0x194e4d0?})
	GOROOT/src/runtime/panic.go:914 +0x21f
github.com/pingcap/tidb/pkg/privilege/privileges/ldap.TestConnectWithTLS11.func2()
	pkg/privilege/privileges/ldap/ldap_common_test.go:161 +0x35
runtime.Goexit()
	GOROOT/src/runtime/panic.go:523 +0x145
testing.(*common).FailNow(0xc000514820)
	GOROOT/src/testing/testing.go:999 +0x4a
github.com/stretchr/testify/require.ErrorContains({0x1232928, 0xc000514820}, {0x122f660, 0xc000012228}, {0x10ca147, 0x1e}, {0x0, 0x0, 0x0})
	external/com_github_stretchr_testify/require/require.go:332 +0xda
github.com/pingcap/tidb/pkg/privilege/privileges/ldap.TestConnectWithTLS11(0xc000514820)
	pkg/privilege/privileges/ldap/ldap_common_test.go:174 +0x308
testing.tRunner(0xc000514820, 0x1133040)
	GOROOT/src/testing/testing.go:1595 +0xff
created by testing.(*T).Run in goroutine 1
	GOROOT/src/testing/testing.go:1648 +0x3ad
--
Coverage runner: Not collecting coverage for failed test.
The following commands failed with status 2
/home/jenkins/.tidb/tmp/5cfc4a16c2c6d36cce346a7a12411ff4/sandbox/linux-sandbox/4672/execroot/__main__/bazel-out/k8-fastbuild/bin/pkg/privilege/privileges/ldap/ldap_test_/ldap_test.runfiles/__main__/pkg/privilege/privileges/ldap/ldap_test_/ldap_test
================================================================================