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error[E0594]: cannot assign to `x`, as it is not declared as mutable
--> $DIR/cannot-mutate-captured-non-mut-var.rs:9:25
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LL | let x = 1;
| - help: consider changing this to be mutable: `mut x`
LL | to_fn_once(move|| { x = 2; });
| ^^^^^ cannot assign
error[E0596]: cannot borrow `s` as mutable, as it is not declared as mutable
--> $DIR/cannot-mutate-captured-non-mut-var.rs:13:25
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LL | let s = std::io::stdin();
| - help: consider changing this to be mutable: `mut s`
LL | to_fn_once(move|| { s.read_to_end(&mut Vec::new()); });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0594, E0596.
For more information about an error, try `rustc --explain E0594`.
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