Handle raw variant names correctly #51

Job	Run time
Test / x86_64-pc-windows-msvc	43s
Miri /	40s
Test / x86_64-pc-windows-msvc --release	51s
Miri / --release	37s
Clippy	15s
Cross / i686-unknown-linux-gnu	1m 10s
Cross / i586-unknown-linux-gnu	1m 9s
Doc	18s
Features /	16s
Format	14s
Features / simdutf8 uuid	17s
Cross / armv7-unknown-linux-gnueabihf	1m 8s
Toolchain / stable	16s
Cross / aarch64-unknown-linux-gnu	1m 14s
Toolchain / stable --release	14s
Cross / thumbv6m-none-eabi	1m 11s
Toolchain / beta	19s
Toolchain / beta --release	13s
Toolchain / nightly	16s
Toolchain / nightly --release	14s
	11m 35s

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