Remove need for thiserror #8

Job	Run time	Billable time
apple-darwin (x86_64-apple-darwin, true)	45s	0s
cross (x86_64-unknown-freebsd, false)	48s	0s
apple-darwin (aarch64-apple-darwin, false)	26s	0s
cross (x86_64-unknown-netbsd, false)	43s	0s
pc-windows-msvc (x86_64-pc-windows-msvc, true)	56s	0s
ink-cross (aarch64-unknown-linux-gnu, false)	25s	0s
cross (x86_64-unknown-illumos, false)	39s	0s
pc-windows-msvc (aarch64-pc-windows-msvc, false)	37s	0s
cross (x86_64-sun-solaris, false)	46s	0s
ink-cross (aarch64-unknown-linux-musl, false)	40s	0s
cross (powerpc64-unknown-linux-gnu, true)	44s	0s
ink-cross (armv7-unknown-linux-gnueabihf, false)	31s	0s
cross (x86_64-pc-windows-gnu, true, .exe)	1m 23s	0s
ink-cross (armv7-unknown-linux-musleabihf, false)	39s	0s
ink-cross (powerpc64le-unknown-linux-gnu, false)	32s	0s
ink-cross (riscv64gc-unknown-linux-gnu, false)	31s	0s
ink-cross (s390x-unknown-linux-gnu, false)	30s	0s
ink-cross (x86_64-unknown-linux-gnu, true)	26s	0s
ink-cross (x86_64-unknown-linux-musl, true)	34s	0s
	12m 35s	0s

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