[INFO] fetching crate drumbeat 0.1.1...
[INFO] fixing drumbeat-0.1.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate drumbeat 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate drumbeat 0.1.1
[INFO] finished tweaking crates.io crate drumbeat 0.1.1
[INFO] tweaked toml for crates.io crate drumbeat 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate drumbeat 0.1.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate drumbeat 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345
[INFO] running `Command { std: "docker" "start" "21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking drumbeat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/event_test.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/sync_bench.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/simple.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/sync_test.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] [stderr] crater-edition-check: drumbeat v0.1.1 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking drumbeat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `children` is never used
[INFO] [stdout]   --> src/event/dispatcher.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub(super) trait Dispatcher<T>: Replicable + Send + Sync
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 77 |   fn children(&self) -> Iter<'_, DispatchTarget<T>>;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/event/observable.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |   unsafe { ID.fetch_add(1, Ordering::Relaxed) }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 387 -   static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 387 +   static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sync/threadpool.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 62 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 62 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/sync/worker.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  99 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]  99 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `children` is never used
[INFO] [stdout]   --> src/event/dispatcher.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub(super) trait Dispatcher<T>: Replicable + Send + Sync
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 77 |   fn children(&self) -> Iter<'_, DispatchTarget<T>>;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/event/observable.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |   unsafe { ID.fetch_add(1, Ordering::Relaxed) }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 387 -   static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 387 +   static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sync/threadpool.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 62 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 62 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/sync/worker.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  99 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]  99 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking drumbeat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/event/observable.rs (1 fix)
[INFO] [stderr]        Fixed src/sync/task.rs (1 fix)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/dispatcher.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 356 |       let replay = self.buffer.get_and_do(self.buffer.size(), move || cloned.initialize());
[INFO] [stdout]     |           ------
[INFO] [stdout]     |           |
[INFO] [stdout]     |           `replay` calls a custom destructor
[INFO] [stdout]     |           `replay` will be dropped later as of Edition 2024
[INFO] [stdout] 357 |       if let Some(owner) = self.owner() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                            up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 365 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let guard = self.next.read().unwrap();
[INFO] [stdout]     |         -----
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `guard` calls a custom destructor
[INFO] [stdout]     |         `guard` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 187 |       Some(guard.owner().unwrap().clone()),
[INFO] [stdout]     |            ----------------------
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |            up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 188 |       replicate(guard.as_replicable()),
[INFO] [stdout] 189 |       guard.owner().unwrap().scheduler(),
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |       up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 190 |     )
[INFO] [stdout] 191 |   }
[INFO] [stdout]     |   - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `guard` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/rwlock.rs:1118:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:275:23
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let owner = self.next.write().unwrap().owner().unwrap();
[INFO] [stdout]     |         -----
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `owner` calls a custom destructor
[INFO] [stdout]     |         `owner` will be dropped later as of Edition 2024
[INFO] [stdout] 261 |     let observable = Observable::<T>::new(
[INFO] [stdout]     |         ----------
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `observable` calls a custom destructor
[INFO] [stdout]     |         `observable` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 270 |     let pipe = self.attach(
[INFO] [stdout]     |         ----
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `pipe` calls a custom destructor
[INFO] [stdout]     |         `pipe` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 275 |     Subscription::new(Arc::downgrade(&observable) as Weak<dyn Owner>)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                       up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 276 |   }
[INFO] [stdout]     |   - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/alloc/src/sync.rs:3472:0
[INFO] [stdout]     = note: `owner` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `observable` invokes this custom destructor
[INFO] [stdout]    --> src/event/observable.rs:377:1
[INFO] [stdout]     |
[INFO] [stdout] 377 | / impl<T> Drop for Observable<T>
[INFO] [stdout] 378 | | where
[INFO] [stdout] 379 | |   T: ObservableType,
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     = note: `pipe` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:642:28
[INFO] [stdout]     |
[INFO] [stdout] 642 |       if let Some(owner) = owner.upgrade() {
[INFO] [stdout]     |                   -----    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |        |
[INFO] [stdout]     |                   |        this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                   |        up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                   `owner` calls a custom destructor
[INFO] [stdout]     |                   `owner` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 645 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `owner` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:726:28
[INFO] [stdout]     |
[INFO] [stdout] 726 |       if let Some(owner) = owner.upgrade() {
[INFO] [stdout]     |                   -----    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |        |
[INFO] [stdout]     |                   |        this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                   |        up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                   `owner` calls a custom destructor
[INFO] [stdout]     |                   `owner` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 732 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `owner` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/ops.rs:628:17
[INFO] [stdout]     |
[INFO] [stdout] 606 |       let mut value: Option<T> = None;
[INFO] [stdout]     |           ---------
[INFO] [stdout]     |           |
[INFO] [stdout]     |           `value` calls a custom destructor
[INFO] [stdout]     |           `value` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 610 |         let command = rx.lock().unwrap().recv_timeout(wait_for);
[INFO] [stdout]     |             -------   ------------------
[INFO] [stdout]     |             |         |
[INFO] [stdout]     |             |         this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |             |         `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |             `command` calls a custom destructor
[INFO] [stdout]     |             `command` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 628 |           match command.unwrap() {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                 up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 644 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/sync/worker.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |       for signal in self.receiver.try_iter() {
[INFO] [stdout]    |           ------    ------------------------
[INFO] [stdout]    |           |         |
[INFO] [stdout]    |           |         this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |           |         `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |           `signal` calls a custom destructor
[INFO] [stdout]    |           `signal` will be dropped later as of Edition 2024
[INFO] [stdout] 29 |         if let WorkerSignal::Run(task) = &signal {
[INFO] [stdout] 30 |           if let Ok(guard) = &mut task.inner.lock() {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                                   up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 34 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> src/sync/spinlock.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a, T> Drop for SpinLockGuard<'a, T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `signal` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/sync/worker.rs:109:45
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut unwinder = HealthUnwinder {
[INFO] [stdout]     |             ------------
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `unwinder` calls a custom destructor
[INFO] [stdout]     |             `unwinder` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 109 |         while let WorkerSignal::Run(task) = receiver.recv().unwrap() {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                                             up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 114 |           unwinder.holding.take();
[INFO] [stdout]     |           -----------------------
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |           `#1` will be dropped later as of Edition 2024
[INFO] [stdout] 115 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `unwinder` invokes this custom destructor
[INFO] [stdout]    --> src/sync/worker.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 | / impl<'a, T> Drop for HealthUnwinder<'a, T>
[INFO] [stdout]  22 | | where
[INFO] [stdout]  23 | |   T: TaskType,
[INFO] [stdout]     | |______________^
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/event/observable.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |   unsafe { ID.fetch_add(1, Ordering::Relaxed) }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 387 -   static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 387 +   static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sync/threadpool.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 62 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 62 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/sync/worker.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  99 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]  99 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/dispatcher.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 356 |       let replay = self.buffer.get_and_do(self.buffer.size(), move || cloned.initialize());
[INFO] [stdout]     |           ------
[INFO] [stdout]     |           |
[INFO] [stdout]     |           `replay` calls a custom destructor
[INFO] [stdout]     |           `replay` will be dropped later as of Edition 2024
[INFO] [stdout] 357 |       if let Some(owner) = self.owner() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                            up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 365 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let guard = self.next.read().unwrap();
[INFO] [stdout]     |         -----
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `guard` calls a custom destructor
[INFO] [stdout]     |         `guard` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 187 |       Some(guard.owner().unwrap().clone()),
[INFO] [stdout]     |            ----------------------
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |            up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 188 |       replicate(guard.as_replicable()),
[INFO] [stdout] 189 |       guard.owner().unwrap().scheduler(),
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |       up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 190 |     )
[INFO] [stdout] 191 |   }
[INFO] [stdout]     |   - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `guard` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/rwlock.rs:1118:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:275:23
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let owner = self.next.write().unwrap().owner().unwrap();
[INFO] [stdout]     |         -----
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `owner` calls a custom destructor
[INFO] [stdout]     |         `owner` will be dropped later as of Edition 2024
[INFO] [stdout] 261 |     let observable = Observable::<T>::new(
[INFO] [stdout]     |         ----------
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `observable` calls a custom destructor
[INFO] [stdout]     |         `observable` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 270 |     let pipe = self.attach(
[INFO] [stdout]     |         ----
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `pipe` calls a custom destructor
[INFO] [stdout]     |         `pipe` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 275 |     Subscription::new(Arc::downgrade(&observable) as Weak<dyn Owner>)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                       up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 276 |   }
[INFO] [stdout]     |   - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/alloc/src/sync.rs:3472:0
[INFO] [stdout]     = note: `owner` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `observable` invokes this custom destructor
[INFO] [stdout]    --> src/event/observable.rs:377:1
[INFO] [stdout]     |
[INFO] [stdout] 377 | / impl<T> Drop for Observable<T>
[INFO] [stdout] 378 | | where
[INFO] [stdout] 379 | |   T: ObservableType,
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     = note: `pipe` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:642:28
[INFO] [stdout]     |
[INFO] [stdout] 642 |       if let Some(owner) = owner.upgrade() {
[INFO] [stdout]     |                   -----    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |        |
[INFO] [stdout]     |                   |        this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                   |        up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                   `owner` calls a custom destructor
[INFO] [stdout]     |                   `owner` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 645 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `owner` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/observable.rs:726:28
[INFO] [stdout]     |
[INFO] [stdout] 726 |       if let Some(owner) = owner.upgrade() {
[INFO] [stdout]     |                   -----    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |        |
[INFO] [stdout]     |                   |        this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                   |        up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                   `owner` calls a custom destructor
[INFO] [stdout]     |                   `owner` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 732 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `owner` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/event/ops.rs:628:17
[INFO] [stdout]     |
[INFO] [stdout] 606 |       let mut value: Option<T> = None;
[INFO] [stdout]     |           ---------
[INFO] [stdout]     |           |
[INFO] [stdout]     |           `value` calls a custom destructor
[INFO] [stdout]     |           `value` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 610 |         let command = rx.lock().unwrap().recv_timeout(wait_for);
[INFO] [stdout]     |             -------   ------------------
[INFO] [stdout]     |             |         |
[INFO] [stdout]     |             |         this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |             |         `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |             `command` calls a custom destructor
[INFO] [stdout]     |             `command` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 628 |           match command.unwrap() {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                 up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 644 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/sync/worker.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |       for signal in self.receiver.try_iter() {
[INFO] [stdout]    |           ------    ------------------------
[INFO] [stdout]    |           |         |
[INFO] [stdout]    |           |         this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |           |         `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |           `signal` calls a custom destructor
[INFO] [stdout]    |           `signal` will be dropped later as of Edition 2024
[INFO] [stdout] 29 |         if let WorkerSignal::Run(task) = &signal {
[INFO] [stdout] 30 |           if let Ok(guard) = &mut task.inner.lock() {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                                   up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 34 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> src/sync/spinlock.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a, T> Drop for SpinLockGuard<'a, T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `signal` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/sync/worker.rs:109:45
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mut unwinder = HealthUnwinder {
[INFO] [stdout]     |             ------------
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `unwinder` calls a custom destructor
[INFO] [stdout]     |             `unwinder` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 109 |         while let WorkerSignal::Run(task) = receiver.recv().unwrap() {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                                             up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 114 |           unwinder.holding.take();
[INFO] [stdout]     |           -----------------------
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |           `#1` will be dropped later as of Edition 2024
[INFO] [stdout] 115 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `unwinder` invokes this custom destructor
[INFO] [stdout]    --> src/sync/worker.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 | / impl<'a, T> Drop for HealthUnwinder<'a, T>
[INFO] [stdout]  22 | | where
[INFO] [stdout]  23 | |   T: TaskType,
[INFO] [stdout]     | |______________^
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/event/observable.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |   unsafe { ID.fetch_add(1, Ordering::Relaxed) }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 387 -   static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 387 +   static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sync/threadpool.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 62 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 62 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/sync/worker.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  99 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]  99 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/event_test.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/simple.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating benches/sync_bench.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/sync_test.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] [stderr] crater-edition-check: drumbeat v0.1.1 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking drumbeat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `children` is never used
[INFO] [stdout]   --> src/event/dispatcher.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub(super) trait Dispatcher<T>: Replicable + Send + Sync
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 77 |   fn children(&self) -> Iter<'_, DispatchTarget<T>>;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/event/observable.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |   unsafe { ID.fetch_add(1, Ordering::Relaxed) }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 387 -   static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 387 +   static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sync/threadpool.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 62 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 62 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/sync/worker.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  99 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]  99 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drumbeat` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `children` is never used
[INFO] [stdout]   --> src/event/dispatcher.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub(super) trait Dispatcher<T>: Replicable + Send + Sync
[INFO] [stdout]    |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 77 |   fn children(&self) -> Iter<'_, DispatchTarget<T>>;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/event/observable.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |   unsafe { ID.fetch_add(1, Ordering::Relaxed) }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 387 -   static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 387 +   static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> src/sync/threadpool.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 62 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout] 62 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/sync/worker.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) };
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  99 -     static mut ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]  99 +     static ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drumbeat` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345", kill_on_drop: false }`
[INFO] [stdout] 21e504082326429b370c3438f87a5fb55dbacfae6be5fe70cf86d20cbbf0c345
