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643 lines
28 KiB
Plaintext
643 lines
28 KiB
Plaintext
error: the type `&T` does not permit zero-initialization
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--> $DIR/invalid_value.rs:53:32
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LL | let _val: &'static T = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: references must be non-null
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note: the lint level is defined here
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--> $DIR/invalid_value.rs:4:9
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LL | #![deny(invalid_value)]
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| ^^^^^^^^^^^^^
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error: the type `&T` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:54:32
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LL | let _val: &'static T = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: references must be non-null
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error: the type `Wrap<&T>` does not permit zero-initialization
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--> $DIR/invalid_value.rs:56:38
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LL | let _val: Wrap<&'static T> = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `Wrap<&T>` must be non-null
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note: because references must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:16:18
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LL | struct Wrap<T> { wrapped: T }
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| ^^^^^^^^^^
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error: the type `Wrap<&T>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:57:38
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LL | let _val: Wrap<&'static T> = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `Wrap<&T>` must be non-null
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note: because references must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:16:18
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LL | struct Wrap<T> { wrapped: T }
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| ^^^^^^^^^^
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error: the type `!` does not permit zero-initialization
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--> $DIR/invalid_value.rs:64:23
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LL | let _val: ! = mem::zeroed();
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| ^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: the `!` type has no valid value
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error: the type `!` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:65:23
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LL | let _val: ! = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: the `!` type has no valid value
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error: the type `(i32, !)` does not permit zero-initialization
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--> $DIR/invalid_value.rs:67:30
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LL | let _val: (i32, !) = mem::zeroed();
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| ^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: the `!` type has no valid value
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error: the type `(i32, !)` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:68:30
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LL | let _val: (i32, !) = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: integers must be initialized
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error: the type `Void` does not permit zero-initialization
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--> $DIR/invalid_value.rs:70:26
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LL | let _val: Void = mem::zeroed();
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| ^^^^^^^^^^^^^ this code causes undefined behavior when executed
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note: enums with no inhabited variants have no valid value
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--> $DIR/invalid_value.rs:11:1
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LL | enum Void {}
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| ^^^^^^^^^
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error: the type `Void` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:71:26
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LL | let _val: Void = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
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note: enums with no inhabited variants have no valid value
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--> $DIR/invalid_value.rs:11:1
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LL | enum Void {}
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| ^^^^^^^^^
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error: the type `&i32` does not permit zero-initialization
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--> $DIR/invalid_value.rs:73:34
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LL | let _val: &'static i32 = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: references must be non-null
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error: the type `&i32` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:74:34
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LL | let _val: &'static i32 = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: references must be non-null
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error: the type `Ref` does not permit zero-initialization
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--> $DIR/invalid_value.rs:76:25
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LL | let _val: Ref = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `Ref` must be non-null
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note: because references must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:13:12
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LL | struct Ref(&'static i32);
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| ^^^^^^^^^^^^
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error: the type `Ref` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:77:25
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LL | let _val: Ref = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `Ref` must be non-null
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note: because references must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:13:12
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LL | struct Ref(&'static i32);
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| ^^^^^^^^^^^^
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error: the type `fn()` does not permit zero-initialization
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--> $DIR/invalid_value.rs:79:26
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LL | let _val: fn() = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: function pointers must be non-null
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error: the type `fn()` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:80:26
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LL | let _val: fn() = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: function pointers must be non-null
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error: the type `Wrap<fn()>` does not permit zero-initialization
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--> $DIR/invalid_value.rs:82:32
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LL | let _val: Wrap<fn()> = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `Wrap<fn()>` must be non-null
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note: because function pointers must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:16:18
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LL | struct Wrap<T> { wrapped: T }
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| ^^^^^^^^^^
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error: the type `Wrap<fn()>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:83:32
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LL | let _val: Wrap<fn()> = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `Wrap<fn()>` must be non-null
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note: because function pointers must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:16:18
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LL | struct Wrap<T> { wrapped: T }
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| ^^^^^^^^^^
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error: the type `WrapEnum<fn()>` does not permit zero-initialization
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--> $DIR/invalid_value.rs:85:36
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LL | let _val: WrapEnum<fn()> = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `WrapEnum<fn()>` must be non-null
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note: because function pointers must be non-null (in this field of the only potentially inhabited enum variant)
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--> $DIR/invalid_value.rs:17:28
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LL | enum WrapEnum<T> { Wrapped(T) }
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| ^
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error: the type `WrapEnum<fn()>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:86:36
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LL | let _val: WrapEnum<fn()> = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `WrapEnum<fn()>` must be non-null
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note: because function pointers must be non-null (in this field of the only potentially inhabited enum variant)
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--> $DIR/invalid_value.rs:17:28
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LL | enum WrapEnum<T> { Wrapped(T) }
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| ^
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error: the type `Wrap<(RefPair, i32)>` does not permit zero-initialization
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--> $DIR/invalid_value.rs:88:42
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LL | let _val: Wrap<(RefPair, i32)> = mem::zeroed();
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| ^^^^^^^^^^^^^
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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note: `RefPair` must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:16:18
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LL | struct Wrap<T> { wrapped: T }
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| ^^^^^^^^^^
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note: because references must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:14:16
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LL | struct RefPair((&'static i32, i32));
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| ^^^^^^^^^^^^^^^^^^^
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error: the type `Wrap<(RefPair, i32)>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:89:42
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LL | let _val: Wrap<(RefPair, i32)> = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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note: `RefPair` must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:16:18
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LL | struct Wrap<T> { wrapped: T }
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| ^^^^^^^^^^
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note: because references must be non-null (in this struct field)
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--> $DIR/invalid_value.rs:14:16
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LL | struct RefPair((&'static i32, i32));
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| ^^^^^^^^^^^^^^^^^^^
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error: the type `NonNull<i32>` does not permit zero-initialization
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--> $DIR/invalid_value.rs:91:34
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LL | let _val: NonNull<i32> = mem::zeroed();
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| ^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `std::ptr::NonNull<i32>` must be non-null
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error: the type `NonNull<i32>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:92:34
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LL | let _val: NonNull<i32> = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `std::ptr::NonNull<i32>` must be non-null
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= note: raw pointers must be initialized
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error: the type `(NonZero<u32>, i32)` does not permit zero-initialization
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--> $DIR/invalid_value.rs:94:41
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LL | let _val: (NonZero<u32>, i32) = mem::zeroed();
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| ^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: `std::num::NonZero<u32>` must be non-null
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= note: because `core::num::nonzero::private::NonZeroU32Inner` must be non-null
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error: the type `(NonZero<u32>, i32)` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:95:41
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LL | let _val: (NonZero<u32>, i32) = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: `std::num::NonZero<u32>` must be non-null
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= note: because `core::num::nonzero::private::NonZeroU32Inner` must be non-null
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= note: integers must be initialized
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error: the type `*const dyn Send` does not permit zero-initialization
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--> $DIR/invalid_value.rs:97:37
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LL | let _val: *const dyn Send = mem::zeroed();
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| ^^^^^^^^^^^^^
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: the vtable of a wide raw pointer must be non-null
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error: the type `*const dyn Send` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:98:37
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LL | let _val: *const dyn Send = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: the vtable of a wide raw pointer must be non-null
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error: the type `[fn(); 2]` does not permit zero-initialization
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--> $DIR/invalid_value.rs:100:31
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LL | let _val: [fn(); 2] = mem::zeroed();
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| ^^^^^^^^^^^^^
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: function pointers must be non-null
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error: the type `[fn(); 2]` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:101:31
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LL | let _val: [fn(); 2] = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: function pointers must be non-null
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error: the type `TwoUninhabited` does not permit zero-initialization
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--> $DIR/invalid_value.rs:103:36
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LL | let _val: TwoUninhabited = mem::zeroed();
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| ^^^^^^^^^^^^^ this code causes undefined behavior when executed
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note: enums with no inhabited variants have no valid value
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--> $DIR/invalid_value.rs:41:1
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LL | enum TwoUninhabited {
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| ^^^^^^^^^^^^^^^^^^^
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error: the type `TwoUninhabited` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:104:36
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LL | let _val: TwoUninhabited = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
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note: enums with no inhabited variants have no valid value
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--> $DIR/invalid_value.rs:41:1
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LL | enum TwoUninhabited {
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| ^^^^^^^^^^^^^^^^^^^
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error: the type `OneFruitNonZero` does not permit zero-initialization
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--> $DIR/invalid_value.rs:106:37
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LL | let _val: OneFruitNonZero = mem::zeroed();
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| ^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: `OneFruitNonZero` must be non-null
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note: because `std::num::NonZero<u32>` must be non-null (in this field of the only potentially inhabited enum variant)
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--> $DIR/invalid_value.rs:38:12
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LL | Banana(NonZero<u32>),
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| ^^^^^^^^^^^^
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= note: because `core::num::nonzero::private::NonZeroU32Inner` must be non-null
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error: the type `OneFruitNonZero` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:107:37
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LL | let _val: OneFruitNonZero = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: `OneFruitNonZero` must be non-null
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note: because `std::num::NonZero<u32>` must be non-null (in this field of the only potentially inhabited enum variant)
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--> $DIR/invalid_value.rs:38:12
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LL | Banana(NonZero<u32>),
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| ^^^^^^^^^^^^
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= note: because `core::num::nonzero::private::NonZeroU32Inner` must be non-null
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= note: integers must be initialized
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error: the type `bool` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:111:26
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LL | let _val: bool = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: booleans must be either `true` or `false`
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error: the type `Wrap<char>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:114:32
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LL | let _val: Wrap<char> = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `Wrap<char>` must be initialized inside its custom valid range
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note: characters must be a valid Unicode codepoint (in this struct field)
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--> $DIR/invalid_value.rs:16:18
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LL | struct Wrap<T> { wrapped: T }
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| ^^^^^^^^^^
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error: the type `NonBig` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:117:28
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LL | let _val: NonBig = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: `NonBig` must be initialized inside its custom valid range
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note: integers must be initialized (in this struct field)
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--> $DIR/invalid_value.rs:22:26
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LL | pub(crate) struct NonBig(u64);
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| ^^^
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error: the type `Fruit` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:120:27
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LL | let _val: Fruit = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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note: enums with multiple inhabited variants have to be initialized to a variant
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--> $DIR/invalid_value.rs:25:1
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LL | enum Fruit {
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| ^^^^^^^^^^
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error: the type `[bool; 2]` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:123:31
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LL | let _val: [bool; 2] = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: booleans must be either `true` or `false`
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error: the type `i32` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:126:25
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LL | let _val: i32 = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: integers must be initialized
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error: the type `f32` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:129:25
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LL | let _val: f32 = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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|
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= note: floats must be initialized
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error: the type `*const ()` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:132:31
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LL | let _val: *const () = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: raw pointers must be initialized
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error: the type `*const [()]` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:135:33
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LL | let _val: *const [()] = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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|
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= note: raw pointers must be initialized
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error: the type `WrapAroundRange` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:138:37
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LL | let _val: WrapAroundRange = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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|
|
|
= note: `WrapAroundRange` must be initialized inside its custom valid range
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note: integers must be initialized (in this struct field)
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--> $DIR/invalid_value.rs:48:35
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LL | pub(crate) struct WrapAroundRange(u8);
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| ^^
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error: the type `Result<i32, i32>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:143:38
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LL | let _val: Result<i32, i32> = mem::uninitialized();
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| ^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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|
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|
note: enums with multiple inhabited variants have to be initialized to a variant
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--> $SRC_DIR/core/src/result.rs:LL:COL
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error: the type `&i32` does not permit zero-initialization
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--> $DIR/invalid_value.rs:151:34
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LL | let _val: &'static i32 = mem::transmute(0usize);
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| ^^^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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= note: references must be non-null
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error: the type `&[i32]` does not permit zero-initialization
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--> $DIR/invalid_value.rs:152:36
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LL | let _val: &'static [i32] = mem::transmute((0usize, 0usize));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| this code causes undefined behavior when executed
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| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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|
= note: references must be non-null
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error: the type `NonZero<u32>` does not permit zero-initialization
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--> $DIR/invalid_value.rs:153:34
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LL | let _val: NonZero<u32> = mem::transmute(0);
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| ^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
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= note: `std::num::NonZero<u32>` must be non-null
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= note: because `core::num::nonzero::private::NonZeroU32Inner` must be non-null
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error: the type `NonNull<i32>` does not permit zero-initialization
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--> $DIR/invalid_value.rs:156:34
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LL | let _val: NonNull<i32> = MaybeUninit::zeroed().assume_init();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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|
| |
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|
| this code causes undefined behavior when executed
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|
| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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|
= note: `std::ptr::NonNull<i32>` must be non-null
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error: the type `NonNull<i32>` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:157:34
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LL | let _val: NonNull<i32> = MaybeUninit::uninit().assume_init();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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|
| |
|
|
| this code causes undefined behavior when executed
|
|
| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
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|
|
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= note: `std::ptr::NonNull<i32>` must be non-null
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= note: raw pointers must be initialized
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|
error: the type `bool` does not permit being left uninitialized
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--> $DIR/invalid_value.rs:158:26
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LL | let _val: bool = MaybeUninit::uninit().assume_init();
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|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
| |
|
|
| this code causes undefined behavior when executed
|
|
| help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
|
|
|
|
|
= note: booleans must be either `true` or `false`
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|
error: aborting due to 51 previous errors
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|