Fix false positives

[recmo]

On 2020-08-17 @recmo wrote in 645f7bd “Fix lints”:

Fix false positives

#![cfg_attr(feature = "std", warn(missing_debug_implementations,))]
// rand_xoshiro v0.4.0 is required for a zkp-stark example and v0.3.1 for criterion
#![allow(clippy::multiple_crate_versions)]
// TODO - Investigate possible truncation
#![allow(clippy::cast_possible_truncation)]
// TODO: Fix false positives
#![allow(clippy::enum_glob_use)]
// TODO: False positives <https://github.com/rust-lang/rust-clippy/issues/5917>
#![allow(clippy::wildcard_imports)]

mod component;

From crypto/stark/examples/pedersen_merkle/main.rs:43