Auto merge of #10438 - rukai:deny_clippy, r=ehuss

Remove remaining 2 warn(clippy::*) instances

crates/cargo-test-support/src/lib.rs

@@ -3,8 +3,6 @@
 //! See <https://rust-lang.github.io/cargo/contrib/> for a guide on writing tests.
 
 #![allow(clippy::all)]
-#![warn(clippy::needless_borrow)]
-#![warn(clippy::redundant_clone)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 
 use std::env;

src/bin/cargo/main.rs

@@ -1,7 +1,5 @@
 #![warn(rust_2018_idioms)] // while we're getting used to 2018
 #![allow(clippy::all)]
-#![warn(clippy::needless_borrow)]
-#![warn(clippy::redundant_clone)]
 
 use cargo::core::shell::Shell;
 use cargo::util::toml::StringOrVec;

src/cargo/lib.rs

@@ -5,8 +5,6 @@
 // Due to some of the default clippy lints being somewhat subjective and not
 // necessarily an improvement, we prefer to not use them at this time.
 #![allow(clippy::all)]
-#![warn(clippy::needless_borrow)]
-#![warn(clippy::redundant_clone)]
 
 use crate::core::shell::Verbosity::Verbose;
 use crate::core::Shell;

tests/testsuite/main.rs

@@ -1,8 +1,6 @@
 // See src/cargo/lib.rs for notes on these lint settings.
 #![warn(rust_2018_idioms)]
 #![allow(clippy::all)]
-#![warn(clippy::needless_borrow)]
-#![warn(clippy::redundant_clone)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 
 #[macro_use]