Test

Implement core::error::Error without std (#750) #2219

Job	Run time
iOS Simulator	4m 40s
FreeBSD VM	2m 40s
Windows (stable-i686-gnu)	41s
Windows (stable-x86_64-gnu)	45s
Sanitizer Linux (x86_64, ubuntu-24.04)	2m 46s
WASI	24s
Windows (stable-i686-msvc)	57s
Sanitizer Linux (aarch64, ubuntu-24.04-arm)	2m 25s
Windows 7 (on Windows 10)	1m 44s
OpenBSD VM	2m 15s
Cross (riscv64gc-unknown-linux-gnu)	27s
Web	1m 2s
Web with Atomics	1m 17s
Cross (aarch64-unknown-linux-gnu)	35s
NetBSD VM	3m 5s
Tier 1 (ubuntu-24.04, 1.85)	21s
Tier 1 (ubuntu-24.04, stable)	47s
Tier 1 (windows-2022, stable)	44s
Tier 1 (ubuntu-24.04, beta)	17s
Tier 1 (windows-2022, nightly)	47s
Tier 1 (windows-2022, beta)	40s
Tier 1 (macos-14, stable)	16s
Tier 1 (ubuntu-24.04, nightly)	18s
Linux (x86_64-unknown-linux-musl)	56s
Linux (i686-unknown-linux-musl)	32s
Tier 1 (windows-2022, 1.85)	58s
	32m 19s

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