Restrict TransparentWrapper<T> for Reverse<T> to cfg(feature = "trans… #88

Job	Run time
Test with miri	1m 2s
Test on i686-unknown-linux-gnu with cross	1m 9s
Test with -Zsanitizer=address	38s
Test Rust 1.34.0 on ubuntu-latest	2m 2s
Test with -Zsanitizer=memory	37s
Test with -Zsanitizer=leak	36s
Test Rust stable on ubuntu-latest	7s
Test Rust beta on ubuntu-latest	12s
Test Rust nightly on ubuntu-latest	20s
Test Rust stable on macos-latest	12s
Test Rust stable on windows-latest	34s
Test Rust stable-x86_64-gnu on windows-latest	33s
Test Rust stable-i686-msvc on windows-latest	37s
Test Rust stable-i686-gnu on windows-latest	30s
	9m 9s

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