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https://github.com/rust-lang/rust-clippy
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57 lines
2 KiB
Text
57 lines
2 KiB
Text
error: calling `Mutex::lock` inside the scope of another `Mutex::lock` causes a deadlock
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--> tests/ui/if_let_mutex.rs:10:5
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LL | if let Err(locked) = m.lock() {
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| ^ - this Mutex will remain locked for the entire `if let`-block...
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| _____|
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LL | |
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LL | | do_stuff(locked);
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LL | | } else {
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LL | | let lock = m.lock().unwrap();
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| | - ... and is tried to lock again here, which will always deadlock.
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LL | | do_stuff(lock);
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LL | | };
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| |_____^
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= help: move the lock call outside of the `if let ...` expression
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= note: `-D clippy::if-let-mutex` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::if_let_mutex)]`
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error: calling `Mutex::lock` inside the scope of another `Mutex::lock` causes a deadlock
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--> tests/ui/if_let_mutex.rs:23:5
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LL | if let Some(locked) = m.lock().unwrap().deref() {
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| ^ - this Mutex will remain locked for the entire `if let`-block...
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| _____|
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LL | |
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LL | | do_stuff(locked);
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LL | | } else {
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LL | | let lock = m.lock().unwrap();
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| | - ... and is tried to lock again here, which will always deadlock.
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LL | | do_stuff(lock);
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LL | | };
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| |_____^
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= help: move the lock call outside of the `if let ...` expression
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error: calling `Mutex::lock` inside the scope of another `Mutex::lock` causes a deadlock
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--> tests/ui/if_let_mutex.rs:45:5
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LL | if let Ok(i) = mutex.lock() {
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| ^ ----- this Mutex will remain locked for the entire `if let`-block...
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| _____|
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LL | |
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LL | | do_stuff(i);
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LL | | } else {
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LL | | let _x = mutex.lock();
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| | ----- ... and is tried to lock again here, which will always deadlock.
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LL | | };
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| |_____^
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= help: move the lock call outside of the `if let ...` expression
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error: aborting due to 3 previous errors
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