Test

Tweak `Error` representation #1887

Job	Run time
Cross (aarch64-unknown-linux-gnu)	37s
Cross (powerpc-unknown-linux-gnu)	33s
FreeBSD VM	2m 43s
iOS Simulator	3m 28s
Linux (x86_64-unknown-linux-musl)	34s
OpenBSD VM	2m 23s
Linux (i686-unknown-linux-musl)	17s
Sanitizer	36s
Tier 1 (ubuntu-24.04, nightly)	14s
WASI	26s
Tier 1 (ubuntu-24.04, beta)	16s
Web	1m 31s
Web with Atomics	1m 25s
Tier 1 (ubuntu-24.04, stable)	35s
Tier 1 (ubuntu-24.04, 1.63)	18s
Windows (stable-x86_64-gnu)	49s
Tier 1 (windows-2022, nightly)	53s
Windows (stable-i686-gnu)	40s
Tier 1 (windows-2022, beta)	54s
Windows (stable-i686-msvc)	44s
Windows 7 (on Windows 10)	1m 33s
Tier 1 (windows-2022, stable)	2m 7s
Tier 1 (windows-2022, 1.63)	45s
Tier 1 (macos-14, stable)	24s
	24m 45s

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