error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:14:11 | LL | fn fun(x: &mut &mut u32) -> bool { | ^^^^^^^^^^^^^ | = note: `-D clippy::mut-mut` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::mut_mut)]` error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:31:17 | LL | let mut x = &mut &mut 1u32; | ^^^^^^^^^^^^^^ error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:46:25 | LL | let mut z = inline!(&mut $(&mut 3u32)); | ^ | = note: this error originates in the macro `__inline_mac_fn_main` (in Nightly builds, run with -Z macro-backtrace for more info) error: this expression mutably borrows a mutable reference. Consider reborrowing --> $DIR/mut_mut.rs:33:21 | LL | let mut y = &mut x; | ^^^^^^ error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:37:32 | LL | let y: &mut &mut u32 = &mut &mut 2; | ^^^^^^^^^^^ error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:37:16 | LL | let y: &mut &mut u32 = &mut &mut 2; | ^^^^^^^^^^^^^ error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:42:37 | LL | let y: &mut &mut &mut u32 = &mut &mut &mut 2; | ^^^^^^^^^^^^^^^^ error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:42:16 | LL | let y: &mut &mut &mut u32 = &mut &mut &mut 2; | ^^^^^^^^^^^^^^^^^^ error: generally you want to avoid `&mut &mut _` if possible --> $DIR/mut_mut.rs:42:21 | LL | let y: &mut &mut &mut u32 = &mut &mut &mut 2; | ^^^^^^^^^^^^^ error: aborting due to 9 previous errors