error: trivial numeric cast: `i32` as `i32` --> $DIR/trivial_casts.rs:16:13 | LL | let _ = 42_i32 as i32; | ^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable note: the lint level is defined here --> $DIR/trivial_casts.rs:4:24 | LL | #![deny(trivial_casts, trivial_numeric_casts)] | ^^^^^^^^^^^^^^^^^^^^^ error: trivial numeric cast: `u8` as `u8` --> $DIR/trivial_casts.rs:19:13 | LL | let _ = 42_u8 as u8; | ^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&u32` as `*const u32` --> $DIR/trivial_casts.rs:24:13 | LL | let _ = x as *const u32; | ^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable note: the lint level is defined here --> $DIR/trivial_casts.rs:4:9 | LL | #![deny(trivial_casts, trivial_numeric_casts)] | ^^^^^^^^^^^^^ error: trivial cast: `&mut u32` as `*mut u32` --> $DIR/trivial_casts.rs:28:13 | LL | let _ = x as *mut u32; | ^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&[u32; 3]` as `&[u32]` --> $DIR/trivial_casts.rs:33:13 | LL | let _ = x as &[u32]; | ^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&[u32; 3]` as `*const [u32]` --> $DIR/trivial_casts.rs:34:13 | LL | let _ = x as *const [u32]; | ^^^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&mut [u32; 3]` as `&mut [u32]` --> $DIR/trivial_casts.rs:39:13 | LL | let _ = x as &mut [u32]; | ^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&mut [u32; 3]` as `*mut [u32]` --> $DIR/trivial_casts.rs:40:13 | LL | let _ = x as *mut [u32]; | ^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `Box<[u32; 3]>` as `Box<[u32]>` --> $DIR/trivial_casts.rs:45:13 | LL | let _ = x as Box<[u32]>; | ^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&Bar` as `&dyn Foo` --> $DIR/trivial_casts.rs:52:13 | LL | let _ = x as &dyn Foo; | ^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&Bar` as `*const dyn Foo` --> $DIR/trivial_casts.rs:53:13 | LL | let _ = x as *const dyn Foo; | ^^^^^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&mut Bar` as `&mut dyn Foo` --> $DIR/trivial_casts.rs:58:13 | LL | let _ = x as &mut dyn Foo; | ^^^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&mut Bar` as `*mut dyn Foo` --> $DIR/trivial_casts.rs:59:13 | LL | let _ = x as *mut dyn Foo; | ^^^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `Box` as `Box` --> $DIR/trivial_casts.rs:64:13 | LL | let _ = x as Box; | ^^^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&fn(i32) {baz}` as `&dyn Fn(i32)` --> $DIR/trivial_casts.rs:70:13 | LL | let _ = &baz as &dyn Fn(i32); | ^^^^^^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&{closure@$DIR/trivial_casts.rs:72:13: 72:22}` as `&dyn Fn(i32)` --> $DIR/trivial_casts.rs:73:13 | LL | let _ = &x as &dyn Fn(i32); | ^^^^^^^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&'a Bar` as `&'a Bar` --> $DIR/trivial_casts.rs:79:13 | LL | let _ = a as &'a Bar; | ^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&'b Bar` as `&'a Bar` --> $DIR/trivial_casts.rs:81:13 | LL | let _ = b as &'a Bar; | ^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: trivial cast: `&'b Bar` as `&'b Bar` --> $DIR/trivial_casts.rs:83:13 | LL | let _ = b as &'b Bar; | ^^^^^^^^^^^^ | = help: cast can be replaced by coercion; this might require a temporary variable error: aborting due to 19 previous errors