Fix logging in nightly physical replication benchmarks

[tristan957]

No description provided.

[Bodobolero]

LGTM

[github-actions]

8206 tests run: 7767 passed, 0 failed, 439 skipped (full report)

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Flaky tests (6)

Postgres 17

• test_pageserver_gc_compaction_preempt: release-arm64-without-lfc, release-arm64-with-lfc

Postgres 16

• test_compute_pageserver_connection_stress: release-x86-64-with-lfc
• test_sliding_working_set_approximation: release-arm64-with-lfc

Postgres 15

• test_compute_pageserver_connection_stress: release-x86-64-with-lfc

Postgres 14

• test_pageserver_gc_compaction_preempt: release-arm64-with-lfc

Code coverage* (full report)

• functions: 33.1% (8945 of 26995 functions)
• lines: 48.9% (77121 of 157847 lines)

* collected from Rust tests only

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_{The comment gets automatically updated with the latest test results
98683a8 at 2025-04-11T17:02:15.937Z :recycle:}