basalt-26.3.2-rc-20260908: sql/pgwire/pgwirecancel: TestCancelQueryOtherNode failed

sql/pgwire/pgwirecancel.TestCancelQueryOtherNode [failed](https://mesolite.cluster.engflow.com/invocations/default/84483de1-b344-4bb7-a487-42863798b484?testReportRun=1&testReportShard=1&testReportAttempt=1#targets-Ly9wa2cvc3FsL3Bnd2lyZS9wZ3dpcmVjYW5jZWw6cGd3aXJlY2FuY2VsX3Rlc3Q=) on basalt-26.3.2-rc-20260908 @ [807558e5e81666af257c811e925e4cae570abc28](https://github.com/cockroachdb/cockroach/commits/807558e5e81666af257c811e925e4cae570abc28):

```
=== RUN TestCancelQueryOtherNode
test_log_scope.go:172: test logs captured to: outputs.zip/logTestCancelQueryOtherNode3014434373
test_log_scope.go:82: use -show-logs to present logs inline
test_server_shim.go:168: automatically injected an external process virtual cluster under test; see comment at top of test_server_shim.go for details.
```

Parameters:
- attempt=1
- race=true
- run=1
- shard=1
Help

See also: [How To Investigate a Go Test Failure \(internal\)](https://cockroachlabs.atlassian.net/l/c/HgfXfJgM)

/cc @cockroachlabs/sql-foundations

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*TestCancelQueryOtherNode.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Start with sql/pgwire/pgwirecancel.TestCancelQueryOtherNode and inspect the linked test report and captured logs at outputs.zip/logTestCancelQueryOtherNode3014434373. Determine why the cancellation test fails with race=true, then rerun the test to confirm the failure is resolved.

Written by the indexing model from the issue text.