SHA512 (futures-macro-0.3.12.crate) = 1bc8d26f4d71f6faa8175ec5a11f27588d882a2b719607690e35d37b8509fa0d65619513b5be1cb0560c8d0e1c45e72ccf8e2967fc03f0ce313d7ffa7ebfc5d8