rust-clippy/tests/ui/significant_drop_in_scrutinee.stderr

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:60:11
   |
LL |     match mutex.lock().unwrap().foo() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             mutex.lock().unwrap().bar();
   |             --------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
   = note: `-D clippy::significant-drop-in-scrutinee` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::significant_drop_in_scrutinee)]`
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().foo();
LL ~     match value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:148:11
   |
LL |     match s.lock_m().get_the_value() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             println!("{}", s.lock_m().get_the_value());
   |                            ---------- another value with significant `Drop` created here
...
LL |             println!("{}", s.lock_m().get_the_value());
   |                            ---------- another value with significant `Drop` created here
...
LL |     }
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = s.lock_m().get_the_value();
LL ~     match value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:171:11
   |
LL |     match s.lock_m_m().get_the_value() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             println!("{}", s.lock_m().get_the_value());
   |                            ---------- another value with significant `Drop` created here
...
LL |             println!("{}", s.lock_m().get_the_value());
   |                            ---------- another value with significant `Drop` created here
...
LL |     }
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = s.lock_m_m().get_the_value();
LL ~     match value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:221:11
   |
LL |     match counter.temp_increment().len() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = counter.temp_increment().len();
LL ~     match value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:246:16
   |
LL |         match (mutex1.lock().unwrap().s.len(), true) {
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len();
   |                 ---------------------- another value with significant `Drop` created here
...
LL |         };
   |          - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~         let value = mutex1.lock().unwrap().s.len();
LL ~         match (value, true) {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:257:22
   |
LL |         match (true, mutex1.lock().unwrap().s.len(), true) {
   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len();
   |                 ---------------------- another value with significant `Drop` created here
...
LL |         };
   |          - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~         let value = mutex1.lock().unwrap().s.len();
LL ~         match (true, value, true) {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:269:16
   |
LL |         match (mutex1.lock().unwrap().s.len(), true, mutex2.lock().unwrap().s.len()) {
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len();
   |                 ---------------------- another value with significant `Drop` created here
LL |                 mutex2.lock().unwrap().s.len();
   |                 ---------------------- another value with significant `Drop` created here
...
LL |         };
   |          - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~         let value = mutex1.lock().unwrap().s.len();
LL ~         match (value, true, mutex2.lock().unwrap().s.len()) {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:269:54
   |
LL |         match (mutex1.lock().unwrap().s.len(), true, mutex2.lock().unwrap().s.len()) {
   |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len();
   |                 ---------------------- another value with significant `Drop` created here
LL |                 mutex2.lock().unwrap().s.len();
   |                 ---------------------- another value with significant `Drop` created here
...
LL |         };
   |          - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~         let value = mutex2.lock().unwrap().s.len();
LL ~         match (mutex1.lock().unwrap().s.len(), true, value) {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:324:11
   |
LL |     match mutex.lock().unwrap().s.len() > 1 {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             mutex.lock().unwrap().s.len();
   |             --------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().s.len();
LL ~     match value > 1 {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:333:15
   |
LL |     match 1 < mutex.lock().unwrap().s.len() {
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             mutex.lock().unwrap().s.len();
   |             --------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().s.len();
LL ~     match 1 < value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:353:11
   |
LL |     match mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len(),
   |                 ---------------------- another value with significant `Drop` created here
LL |                 mutex2.lock().unwrap().s.len()
   |                 ---------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex1.lock().unwrap().s.len();
LL ~     match value < mutex2.lock().unwrap().s.len() {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:353:44
   |
LL |     match mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len() {
   |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len(),
   |                 ---------------------- another value with significant `Drop` created here
LL |                 mutex2.lock().unwrap().s.len()
   |                 ---------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex2.lock().unwrap().s.len();
LL ~     match mutex1.lock().unwrap().s.len() < value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:366:11
   |
LL |     match mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len(),
   |                 ---------------------- another value with significant `Drop` created here
LL |                 mutex2.lock().unwrap().s.len()
   |                 ---------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex1.lock().unwrap().s.len();
LL ~     match value >= mutex2.lock().unwrap().s.len() {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:366:45
   |
LL |     match mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len() {
   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |                 mutex1.lock().unwrap().s.len(),
   |                 ---------------------- another value with significant `Drop` created here
LL |                 mutex2.lock().unwrap().s.len()
   |                 ---------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex2.lock().unwrap().s.len();
LL ~     match mutex1.lock().unwrap().s.len() >= value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:403:11
   |
LL |     match get_mutex_guard().s.len() > 1 {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             mutex1.lock().unwrap().s.len();
   |             ---------------------- another value with significant `Drop` created here
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = get_mutex_guard().s.len();
LL ~     match value > 1 {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:422:11
   |
LL |       match match i {
   |  ___________^
LL | |
LL | |
LL | |         100 => mutex1.lock().unwrap(),
...  |
LL | |     .s
LL | |     .len()
   | |__________^
...
LL |               mutex1.lock().unwrap().s.len();
   |               ---------------------- another value with significant `Drop` created here
...
LL |       };
   |        - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = match i {
LL +
LL +
LL +         100 => mutex1.lock().unwrap(),
LL +         _ => mutex2.lock().unwrap(),
LL +     }
LL +     .s
LL +     .len();
LL ~     match value
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:450:11
   |
LL |       match if i > 1 {
   |  ___________^
LL | |
LL | |
LL | |         mutex1.lock().unwrap()
...  |
LL | |     .s
LL | |     .len()
   | |__________^
...
LL |               mutex1.lock().unwrap().s.len();
   |               ---------------------- another value with significant `Drop` created here
...
LL |       };
   |        - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = if i > 1 {
LL +
LL +
LL +         mutex1.lock().unwrap()
LL +     } else {
LL +         mutex2.lock().unwrap()
LL +     }
LL +     .s
LL +     .len();
LL ~     match value
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:506:11
   |
LL |     match s.lock().deref().deref() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |         _ => println!("Value is {}", s.lock().deref()),
   |                                      -------- another value with significant `Drop` created here
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match and create a copy
   |
LL ~     let value = *s.lock().deref().deref();
LL ~     match (&value) {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:556:11
   |
LL |     match mutex.lock().unwrap().i = i {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             println!("{}", mutex.lock().unwrap().i);
   |                            --------------------- another value with significant `Drop` created here
LL |         },
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     mutex.lock().unwrap().i = i;
LL ~     match () {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:564:15
   |
LL |     match i = mutex.lock().unwrap().i {
   |               ^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             println!("{}", mutex.lock().unwrap().i);
   |                            --------------------- another value with significant `Drop` created here
LL |         },
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().i;
LL ~     match i = value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:572:11
   |
LL |     match mutex.lock().unwrap().i += 1 {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             println!("{}", mutex.lock().unwrap().i);
   |                            --------------------- another value with significant `Drop` created here
LL |         },
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     mutex.lock().unwrap().i += 1;
LL ~     match () {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:580:16
   |
LL |     match i += mutex.lock().unwrap().i {
   |                ^^^^^^^^^^^^^^^^^^^^^^^
...
LL |             println!("{}", mutex.lock().unwrap().i);
   |                            --------------------- another value with significant `Drop` created here
LL |         },
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().i;
LL ~     match i += value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:645:11
   |
LL |     match rwlock.read().unwrap().to_number() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = rwlock.read().unwrap().to_number();
LL ~     match value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:673:11
   |
LL |     match mutex.lock().unwrap().foo() {
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().foo();
LL ~     match value {
   |

error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:736:11
   |
LL |     match guard.take().len() {
   |           ^^^^^^^^^^^^^^^^^^
...
LL |     };
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = guard.take().len();
LL ~     match value {
   |

error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:762:16
   |
LL |     for val in mutex.lock().unwrap().copy_old_lifetime() {
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |     }
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().copy_old_lifetime();
LL ~     for val in value {
   |

error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:802:17
   |
LL |     for val in [mutex.lock().unwrap()[0], 2] {
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |     }
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap()[0];
LL ~     for val in [value, 2] {
   |

error: temporary with significant `Drop` in `if let` scrutinee will live until the end of the `if let` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:812:24
   |
LL |     if let Some(val) = mutex.lock().unwrap().first().copied() {
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |     }
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior
help: try moving the temporary above the match
   |
LL ~     let value = mutex.lock().unwrap().first().copied();
LL ~     if let Some(val) = value {
   |

error: temporary with significant `Drop` in `while let` scrutinee will live until the end of the `while let` expression
  --> tests/ui/significant_drop_in_scrutinee.rs:828:27
   |
LL |     while let Some(val) = mutex.lock().unwrap().pop() {
   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL |     }
   |      - temporary lives until here
   |
   = note: this might lead to deadlocks or other unexpected behavior

error: aborting due to 29 previous errors