fe46225ed0 Allow unused imports when running bench code (Tobin C. Harding)
eb67e873e0 Allow unused variables in release mode (Tobin C. Harding)
Pull request description:
Two patches to clear the million warnings when running the bench code.
ACKs for top commit:
apoelstra:
ACK fe46225ed0 successfully ran local tests; though in the first commit you could also use `cfg_attr` FWIW
Kixunil:
ACK fe46225ed0
Tree-SHA512: 3f705e0441d8c0e41e9ceb5473572810ff2513f7e5531c1b7889418a3a85ac8622e50e271c7a3b5c386fb3f5629b85d4bd79739c4a02b51d58da86890721d8d2