chore: better debug logs for read_at failure #8751

Job	Run time
cargo deny	29s
Checking docs	1m 6s
Checking fmt	16s
check_semver	4m 27s
clippy_check	3m 8s
Cross Build Only (armv7-linux-androideabi)	1m 4s
Cross Test (i686-unknown-linux-gnu)	2m 33s
Cross Build Only (aarch64-linux-android)	1m 1s
Cross Build Only (x86_64-unknown-freebsd)	1m 6s
Minimal Supported Rust Version	1m 48s
Run network simulations/benchmarks	3m 18s
Cross Build Only (x86_64-unknown-netbsd)	1m 8s
Build wasm32	37s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 46s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 11s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 12s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 57s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	2m 18s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	1m 10s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 56s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 53s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	2m 55s
	46m 19s

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