mirror of https://github.com/rust-lang/book
31 lines
1.3 KiB
Plaintext
31 lines
1.3 KiB
Plaintext
$ cargo run
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Compiling shared-state v0.1.0 (file:///projects/shared-state)
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error[E0277]: `Rc<Mutex<i32>>` cannot be sent between threads safely
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--> src/main.rs:11:36
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11 | let handle = thread::spawn(move || {
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| ------------- ^------
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| | |
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| ______________________|_____________within this `[closure@src/main.rs:11:36: 11:43]`
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| | |
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| | required by a bound introduced by this call
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12 | | let mut num = counter.lock().unwrap();
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13 | |
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14 | | *num += 1;
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15 | | });
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| |_________^ `Rc<Mutex<i32>>` cannot be sent between threads safely
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= help: within `[closure@src/main.rs:11:36: 11:43]`, the trait `Send` is not implemented for `Rc<Mutex<i32>>`
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note: required because it's used within this closure
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--> src/main.rs:11:36
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11 | let handle = thread::spawn(move || {
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| ^^^^^^^
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note: required by a bound in `spawn`
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--> /rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/std/src/thread/mod.rs:704:8
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= note: required by this bound in `spawn`
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For more information about this error, try `rustc --explain E0277`.
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error: could not compile `shared-state` due to previous error
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