error: the type `&'static T` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:22:32 | LL | let _val: &'static T = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: lint level defined here --> $DIR/uninitialized-zeroed.rs:7:9 | LL | #![deny(invalid_value)] | ^^^^^^^^^^^^^ = note: References must be non-null error: the type `&'static T` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:23:32 | LL | let _val: &'static T = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: References must be non-null error: the type `Wrap<&'static T>` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:25:38 | LL | let _val: Wrap<&'static T> = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: References must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:16:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `Wrap<&'static T>` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:26:38 | LL | let _val: Wrap<&'static T> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: References must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:16:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `!` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:32:23 | LL | let _val: ! = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: The never type (`!`) has no valid value error: the type `!` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:33:23 | LL | let _val: ! = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: The never type (`!`) has no valid value error: the type `(i32, !)` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:35:30 | LL | let _val: (i32, !) = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: The never type (`!`) has no valid value error: the type `(i32, !)` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:36:30 | LL | let _val: (i32, !) = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: The never type (`!`) has no valid value error: the type `Void` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:38:26 | LL | let _val: Void = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: 0-variant enums have no valid value error: the type `Void` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:39:26 | LL | let _val: Void = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: 0-variant enums have no valid value error: the type `&'static i32` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:41:34 | LL | let _val: &'static i32 = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: References must be non-null error: the type `&'static i32` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:42:34 | LL | let _val: &'static i32 = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: References must be non-null error: the type `Ref` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:44:25 | LL | let _val: Ref = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: References must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:13:12 | LL | struct Ref(&'static i32); | ^^^^^^^^^^^^ error: the type `Ref` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:45:25 | LL | let _val: Ref = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: References must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:13:12 | LL | struct Ref(&'static i32); | ^^^^^^^^^^^^ error: the type `fn()` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:47:26 | LL | let _val: fn() = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: Function pointers must be non-null error: the type `fn()` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:48:26 | LL | let _val: fn() = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | = note: Function pointers must be non-null error: the type `Wrap` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:50:32 | LL | let _val: Wrap = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: Function pointers must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:16:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `Wrap` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:51:32 | LL | let _val: Wrap = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: Function pointers must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:16:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `WrapEnum` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:53:36 | LL | let _val: WrapEnum = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: Function pointers must be non-null (in this enum field) --> $DIR/uninitialized-zeroed.rs:17:28 | LL | enum WrapEnum { Wrapped(T) } | ^ error: the type `WrapEnum` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:54:36 | LL | let _val: WrapEnum = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: Function pointers must be non-null (in this enum field) --> $DIR/uninitialized-zeroed.rs:17:28 | LL | enum WrapEnum { Wrapped(T) } | ^ error: the type `Wrap<(RefPair, i32)>` does not permit zero-initialization --> $DIR/uninitialized-zeroed.rs:56:42 | LL | let _val: Wrap<(RefPair, i32)> = mem::zeroed(); | ^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: References must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:14:16 | LL | struct RefPair((&'static i32, i32)); | ^^^^^^^^^^^^^^^^^^^ error: the type `Wrap<(RefPair, i32)>` does not permit being left uninitialized --> $DIR/uninitialized-zeroed.rs:57:42 | LL | let _val: Wrap<(RefPair, i32)> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ | | | this code causes undefined behavior when executed | help: use `MaybeUninit` instead | note: References must be non-null (in this struct field) --> $DIR/uninitialized-zeroed.rs:14:16 | LL | struct RefPair((&'static i32, i32)); | ^^^^^^^^^^^^^^^^^^^ error: aborting due to 22 previous errors