Failed `cargo test` by unused imports

[monaka]

My env is:

$ cargo --version
cargo 1.61.0 (a028ae4 2022-04-29)
$ rustc --version
rustc 1.61.0 (fe5b13d68 2022-05-18)

The log is here:

$ cargo test
{snip}
  Compiling aluvm v0.6.0 (/home/monaka/rgb/rust-aluvm)
error: unused imports: `Reg8`, `RegBlockAR`
    --> src/isa/exec.rs:1019:29
     |
1019 |     use crate::reg::{Reg16, Reg8, RegBlockAR};
     |                             ^^^^  ^^^^^^^^^^
     |
note: the lint level is defined here
    --> src/lib.rs:13:34
     |
13   | #![deny(dead_code, missing_docs, warnings)]
     |                                  ^^^^^^^^
     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`

error: could not compile `aluvm` due to previous error
warning: build failed, waiting for other jobs to finish...