[INFO] cloning repository https://github.com/dj8yfo/hzrd_ptr_old
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dj8yfo/hzrd_ptr_old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj8yfo%2Fhzrd_ptr_old", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj8yfo%2Fhzrd_ptr_old'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a42392a1621e1eb2b4097c8419445aa56ef20e17
[INFO] checking dj8yfo/hzrd_ptr_old/a42392a1621e1eb2b4097c8419445aa56ef20e17 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj8yfo%2Fhzrd_ptr_old" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dj8yfo/hzrd_ptr_old on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dj8yfo/hzrd_ptr_old
[INFO] finished tweaking git repo https://github.com/dj8yfo/hzrd_ptr_old
[INFO] tweaked toml for git repo https://github.com/dj8yfo/hzrd_ptr_old written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dj8yfo/hzrd_ptr_old 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac8d6df32fcc6f23672a3be8a0ea9f05ab2a3bb2b8ee03f8e60d8018f627abf6
[INFO] running `Command { std: "docker" "start" "-a" "ac8d6df32fcc6f23672a3be8a0ea9f05ab2a3bb2b8ee03f8e60d8018f627abf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac8d6df32fcc6f23672a3be8a0ea9f05ab2a3bb2b8ee03f8e60d8018f627abf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8d6df32fcc6f23672a3be8a0ea9f05ab2a3bb2b8ee03f8e60d8018f627abf6", kill_on_drop: false }`
[INFO] [stdout] ac8d6df32fcc6f23672a3be8a0ea9f05ab2a3bb2b8ee03f8e60d8018f627abf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf5af5741de09313ff3cd1d1542bcbf629c584091f2c5ef95b4420b624d34a2
[INFO] running `Command { std: "docker" "start" "-a" "5cf5af5741de09313ff3cd1d1542bcbf629c584091f2c5ef95b4420b624d34a2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking conc v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::atomic`
[INFO] [stdout]  --> src/guard.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/local.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{mem, thread};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/global.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / lazy_static! {
[INFO] [stdout] 10 | |     /// The global state.
[INFO] [stdout] 11 | |     ///
[INFO] [stdout] 12 | |     /// This state is shared between all the threads.
[INFO] [stdout] 13 | |     static ref STATE: State = State::new();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic`
[INFO] [stdout]  --> src/guard.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/local.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{mem, thread};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/global.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / lazy_static! {
[INFO] [stdout] 10 | |     /// The global state.
[INFO] [stdout] 11 | |     ///
[INFO] [stdout] 12 | |     /// This state is shared between all the threads.
[INFO] [stdout] 13 | |     static ref STATE: State = State::new();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/atomic.rs:183:23
[INFO] [stdout]     |
[INFO] [stdout] 183 |         if self.inner.compare_and_swap(old as *mut T, new, ordering) as *const T == old {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/atomic.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |             self.inner.compare_and_swap(old as *mut T, new, ordering).as_ref()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/sync/treiber.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 self.head.compare_and_swap(
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync/treiber.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 self.head.compare_and_swap(next, node, atomic::Ordering::Release).as_ref()
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/local.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sync/treiber.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut node = Box::into_raw(Box::new(Node {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/atomic.rs:183:23
[INFO] [stdout]     |
[INFO] [stdout] 183 |         if self.inner.compare_and_swap(old as *mut T, new, ordering) as *const T == old {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/atomic.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |             self.inner.compare_and_swap(old as *mut T, new, ordering).as_ref()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/atomic.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |       pub fn swap(&self, new: Option<Box<T>>, ordering: atomic::Ordering) -> Option<Guard<T>> {
[INFO] [stdout]     |                          ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 149 | /         Guard::maybe_new(|| unsafe {
[INFO] [stdout] 150 | |             // Swap the atomic pointer with the new one.
[INFO] [stdout] 151 | |             self.inner.swap(new_ptr, ordering).as_ref()
[INFO] [stdout] 152 | |         }).map(|guard| {
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/atomic.rs:296:15
[INFO] [stdout]     |
[INFO] [stdout] 293 |       pub fn compare_and_swap(&self, old: Option<*const T>, new: Option<Box<T>>, ordering: atomic::Ordering)
[INFO] [stdout]     |                                                             ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 296 |           match unsafe {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 297 | |             self.compare_and_swap_raw(
[INFO] [stdout] 298 | |                 // Convert the input to raw pointers.
[INFO] [stdout] 299 | |                 old.unwrap_or(ptr::null()),
[INFO] [stdout] ...   |
[INFO] [stdout] 302 | |             )
[INFO] [stdout] 303 | |         } {
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/garbage.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Box::from_raw(ptr as *mut u8 as *mut T);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = Box::from_raw(ptr as *mut u8 as *mut T);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/global.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |           let (send, recv) = mpsc::channel();
[INFO] [stdout]    |                ----  ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                |
[INFO] [stdout]    |                these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 87 |               garbo: Mutex::new(Garbo {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 88 | |                 chan: recv,
[INFO] [stdout] 89 | |                 garbage: Vec::new(),
[INFO] [stdout] 90 | |                 hazards: Vec::new(),
[INFO] [stdout] 91 | |             })
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn new<F>(ptr: F) -> Guard<T>
[INFO] [stdout]     |                   ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 112 |     where F: FnOnce() -> &'static T {
[INFO] [stdout] 113 |         Guard::try_new::<_, ()>(|| Ok(ptr())).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn maybe_new<F>(ptr: F) -> Option<Guard<T>>
[INFO] [stdout]     |                         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 120 |     where F: FnOnce() -> Option<&'static T> {
[INFO] [stdout] 121 |         Guard::try_new(|| ptr().ok_or(())).ok()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |       pub fn try_map<U: ?Sized, E, F>(self, f: F) -> Result<Guard<U>, E>
[INFO] [stdout]     |                                       ----  ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 142 |       where F: FnOnce(&T) -> Result<&U, E> {
[INFO] [stdout] 143 |           Ok(Guard {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 144 | |             hazard: self.hazard,
[INFO] [stdout] 145 | |             pointer: f(self.pointer)?,
[INFO] [stdout] 146 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:155:29
[INFO] [stdout]     |
[INFO] [stdout] 152 |       pub fn maybe_map<U: ?Sized, F>(self, f: F) -> Option<Guard<U>>
[INFO] [stdout]     |                                      ----  ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 153 |       where F: FnOnce(&T) -> Option<&U> {
[INFO] [stdout] 154 |           let hazard = self.hazard;
[INFO] [stdout]     |               ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 155 |           f(self.pointer).map(|res| Guard {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 156 | |             hazard: hazard,
[INFO] [stdout] 157 | |             pointer: res,
[INFO] [stdout] 158 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/hazard.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Box::from_raw(self.ptr as *const AtomicPtr<u8> as *mut AtomicPtr<u8>);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let _ = Box::from_raw(self.ptr as *const AtomicPtr<u8> as *mut AtomicPtr<u8>);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_garbage(garbage: Garbage) {
[INFO] [stdout]    |                    ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 25 |     } else if let Ok(true) = STATE.try_with(|s| s.borrow_mut().add_garbage(garbage)) {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |     match STATE.try_with(|s| s.borrow_mut().get_hazard()) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn free_hazard(hazard: hazard::Writer) {
[INFO] [stdout]    |                    ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 77 |         STATE.with(|s| s.borrow_mut().free_hazard(hazard)) ;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |     if STATE.try_with(|s| s.borrow_mut().export_garbage()).is_ok() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/mpsc.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |       let end = Arc::new(Mutex::new(Vec::new()));
[INFO] [stdout]    |           --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |       (Sender {
[INFO] [stdout]    |  ______^
[INFO] [stdout] 23 | |         inner: end.clone(),
[INFO] [stdout] 24 | |     }, Receiver {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/mpsc.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |       let end = Arc::new(Mutex::new(Vec::new()));
[INFO] [stdout]    |           --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 24 |       }, Receiver {
[INFO] [stdout]    |  ________^
[INFO] [stdout] 25 | |         inner: end,
[INFO] [stdout] 26 | |     })
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/sync/stm.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(data: Option<Box<T>>) -> Stm<T> {
[INFO] [stdout]    |                -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 15 |         Stm {
[INFO] [stdout] 16 |             inner: Atomic::new(data),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conc` (lib) due to 15 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/sync/treiber.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 self.head.compare_and_swap(
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync/treiber.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 self.head.compare_and_swap(next, node, atomic::Ordering::Release).as_ref()
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/local.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sync/treiber.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut node = Box::into_raw(Box::new(Node {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/atomic.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |       pub fn swap(&self, new: Option<Box<T>>, ordering: atomic::Ordering) -> Option<Guard<T>> {
[INFO] [stdout]     |                          ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 149 | /         Guard::maybe_new(|| unsafe {
[INFO] [stdout] 150 | |             // Swap the atomic pointer with the new one.
[INFO] [stdout] 151 | |             self.inner.swap(new_ptr, ordering).as_ref()
[INFO] [stdout] 152 | |         }).map(|guard| {
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/atomic.rs:296:15
[INFO] [stdout]     |
[INFO] [stdout] 293 |       pub fn compare_and_swap(&self, old: Option<*const T>, new: Option<Box<T>>, ordering: atomic::Ordering)
[INFO] [stdout]     |                                                             ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 296 |           match unsafe {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 297 | |             self.compare_and_swap_raw(
[INFO] [stdout] 298 | |                 // Convert the input to raw pointers.
[INFO] [stdout] 299 | |                 old.unwrap_or(ptr::null()),
[INFO] [stdout] ...   |
[INFO] [stdout] 302 | |             )
[INFO] [stdout] 303 | |         } {
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/garbage.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Box::from_raw(ptr as *mut u8 as *mut T);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = Box::from_raw(ptr as *mut u8 as *mut T);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/global.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |           let (send, recv) = mpsc::channel();
[INFO] [stdout]    |                ----  ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                |
[INFO] [stdout]    |                these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 87 |               garbo: Mutex::new(Garbo {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 88 | |                 chan: recv,
[INFO] [stdout] 89 | |                 garbage: Vec::new(),
[INFO] [stdout] 90 | |                 hazards: Vec::new(),
[INFO] [stdout] 91 | |             })
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn new<F>(ptr: F) -> Guard<T>
[INFO] [stdout]     |                   ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 112 |     where F: FnOnce() -> &'static T {
[INFO] [stdout] 113 |         Guard::try_new::<_, ()>(|| Ok(ptr())).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn maybe_new<F>(ptr: F) -> Option<Guard<T>>
[INFO] [stdout]     |                         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 120 |     where F: FnOnce() -> Option<&'static T> {
[INFO] [stdout] 121 |         Guard::try_new(|| ptr().ok_or(())).ok()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |       pub fn try_map<U: ?Sized, E, F>(self, f: F) -> Result<Guard<U>, E>
[INFO] [stdout]     |                                       ----  ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 142 |       where F: FnOnce(&T) -> Result<&U, E> {
[INFO] [stdout] 143 |           Ok(Guard {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 144 | |             hazard: self.hazard,
[INFO] [stdout] 145 | |             pointer: f(self.pointer)?,
[INFO] [stdout] 146 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/guard.rs:155:29
[INFO] [stdout]     |
[INFO] [stdout] 152 |       pub fn maybe_map<U: ?Sized, F>(self, f: F) -> Option<Guard<U>>
[INFO] [stdout]     |                                      ----  ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 153 |       where F: FnOnce(&T) -> Option<&U> {
[INFO] [stdout] 154 |           let hazard = self.hazard;
[INFO] [stdout]     |               ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 155 |           f(self.pointer).map(|res| Guard {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 156 | |             hazard: hazard,
[INFO] [stdout] 157 | |             pointer: res,
[INFO] [stdout] 158 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/hazard.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Box::from_raw(self.ptr as *const AtomicPtr<u8> as *mut AtomicPtr<u8>);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let _ = Box::from_raw(self.ptr as *const AtomicPtr<u8> as *mut AtomicPtr<u8>);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_garbage(garbage: Garbage) {
[INFO] [stdout]    |                    ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 25 |     } else if let Ok(true) = STATE.try_with(|s| s.borrow_mut().add_garbage(garbage)) {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |     match STATE.try_with(|s| s.borrow_mut().get_hazard()) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn free_hazard(hazard: hazard::Writer) {
[INFO] [stdout]    |                    ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 77 |         STATE.with(|s| s.borrow_mut().free_hazard(hazard)) ;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/local.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |     if STATE.try_with(|s| s.borrow_mut().export_garbage()).is_ok() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/mpsc.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |       let end = Arc::new(Mutex::new(Vec::new()));
[INFO] [stdout]    |           --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |       (Sender {
[INFO] [stdout]    |  ______^
[INFO] [stdout] 23 | |         inner: end.clone(),
[INFO] [stdout] 24 | |     }, Receiver {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/mpsc.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |       let end = Arc::new(Mutex::new(Vec::new()));
[INFO] [stdout]    |           --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 24 |       }, Receiver {
[INFO] [stdout]    |  ________^
[INFO] [stdout] 25 | |         inner: end,
[INFO] [stdout] 26 | |     })
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/sync/stm.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(data: Option<Box<T>>) -> Stm<T> {
[INFO] [stdout]    |                -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 15 |         Stm {
[INFO] [stdout] 16 |             inner: Atomic::new(data),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/sync/stm.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |         stm.update(|_| Some(Box::new(4)));
[INFO] [stdout]    |                     -       ^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/sync/stm.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |         stm.update(|x| Some(Box::new(*x.unwrap() + 1)));
[INFO] [stdout]    |                     -       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/sync/stm.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     stm.update(|x| Some(Box::new(*x.unwrap() + 1)))
[INFO] [stdout]    |                                 -       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conc` (lib test) due to 18 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5cf5af5741de09313ff3cd1d1542bcbf629c584091f2c5ef95b4420b624d34a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf5af5741de09313ff3cd1d1542bcbf629c584091f2c5ef95b4420b624d34a2", kill_on_drop: false }`
[INFO] [stdout] 5cf5af5741de09313ff3cd1d1542bcbf629c584091f2c5ef95b4420b624d34a2