Remove need for Copy on error enums #4265

Job	Run time
check-git-rev-deps	9s
build-fuzz	1m 11s
cargo-deny (advisories)	51s
build-and-test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 24s
cargo-deny (bans licenses sources)	42s
build-and-test (msrv, ubuntu-latest, aarch64-unknown-linux-gnu, true)	1m 16s
build-and-test (msrv, windows-latest, x86_64-pc-windows-msvc)	1m 19s
docs	1m 24s
build-and-test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 12s
fmt	10s
build-and-test (latest, ubuntu-latest, aarch64-unknown-linux-gnu, true)	1m 25s
publish-dry-run	0s
build-and-test (latest, windows-latest, x86_64-pc-windows-msvc)	1m 21s
readme	1m 12s
semver-checks	1m 25s
complete	1s
	15m 2s

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