https://bugzilla.redhat.com/show_bug.cgi?id=2121490
--- Comment #17 from Stuart D Gathman stuart@gathman.org --- Skipping the test gets this:
process didn't exit successfully: /builddir/build/BUILD/sodiumoxide-0.2.7/target/release/deps/sodiumoxide-be316f85c0acbe9e --skip 'crypto::sign::ed25519::test::test_sign_verify_detached_tamper' --skip src/newtype_macros.rs --skip 'crypto::aead::aes256gcm::aes_api::test::test_seal_open_detached' (signal: 4, SIGILL: illegal instruction)