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error[E0425]: cannot find value `num` in this scope
--> $DIR/ice-unwrap-probe-many-result-125876.rs:5:24
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LL | std::ptr::from_ref(num).cast_mut().as_deref();
| ^^^ not found in this scope
warning: type annotations needed
--> $DIR/ice-unwrap-probe-many-result-125876.rs:5:29
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LL | std::ptr::from_ref(num).cast_mut().as_deref();
| ^^^^^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
= note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
= note: `#[warn(tyvar_behind_raw_pointer)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
warning: type annotations needed
--> $DIR/ice-unwrap-probe-many-result-125876.rs:5:40
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LL | std::ptr::from_ref(num).cast_mut().as_deref();
| ^^^^^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
= note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
error[E0599]: no method named `as_deref` found for raw pointer `*mut _` in the current scope
--> $DIR/ice-unwrap-probe-many-result-125876.rs:5:40
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LL | std::ptr::from_ref(num).cast_mut().as_deref();
| ^^^^^^^^
|
help: there is a method `as_ref` with a similar name
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LL - std::ptr::from_ref(num).cast_mut().as_deref();
LL + std::ptr::from_ref(num).cast_mut().as_ref();
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error: aborting due to 2 previous errors; 2 warnings emitted
Some errors have detailed explanations: E0425, E0599.
For more information about an error, try `rustc --explain E0425`.
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