[INFO] fetching crate conquer-once 0.4.0...
[INFO] checking conquer-once-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate conquer-once 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate conquer-once 0.4.0 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 crates.io crate conquer-once 0.4.0
[INFO] finished tweaking crates.io crate conquer-once 0.4.0
[INFO] tweaked toml for crates.io crate conquer-once 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 071f34968b7d513d115458541f8d5de83e70ae9e3699ccda6e1f96850e6db7a8
[INFO] running `Command { std: "docker" "start" "-a" "071f34968b7d513d115458541f8d5de83e70ae9e3699ccda6e1f96850e6db7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071f34968b7d513d115458541f8d5de83e70ae9e3699ccda6e1f96850e6db7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071f34968b7d513d115458541f8d5de83e70ae9e3699ccda6e1f96850e6db7a8", kill_on_drop: false }`
[INFO] [stdout] 071f34968b7d513d115458541f8d5de83e70ae9e3699ccda6e1f96850e6db7a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c061f527594db0f5799991231b103073dce13db895afc59cf791eb304dbf0630
[INFO] running `Command { std: "docker" "start" "-a" "c061f527594db0f5799991231b103073dce13db895afc59cf791eb304dbf0630", kill_on_drop: false }`
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking conquer-once v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/state.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     WouldBlock(BlockedState),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 172 |     WouldBlock(()),
[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/cell.rs:297:45
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 self.try_init_inner(&mut || func.take().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]     = 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/cell.rs:352:55
[INFO] [stdout]     |
[INFO] [stdout] 352 |                 let res = self.try_init_inner(&mut || func.take().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/lazy.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub const fn new(init: F) -> Self {
[INFO] [stdout]    |                      ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |         Self { cell: OnceCell::uninit(), init: ManuallyDrop::new(init) }
[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 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conquer-once` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/state.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     WouldBlock(BlockedState),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 172 |     WouldBlock(()),
[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/tests.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 44 |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]    |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 45 |                       let cell = Arc::clone(&cell);
[INFO] [stdout]    |                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 46 |                       thread::spawn(move || {
[INFO] [stdout]    |  ___________________________________^
[INFO] [stdout] 47 | |                         barrier.wait();
[INFO] [stdout] 48 | |                         assert!(cell.try_init_once(|| id + 1).is_err());
[INFO] [stdout] 49 | |                     })
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/noblock.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |       generate_tests_non_blocking!();
[INFO] [stdout]    |       ------------------------------ in this macro invocation
[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]    = note: this error originates in the macro `generate_tests_non_blocking` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:78:35
[INFO] [stdout]     |
[INFO] [stdout] 76  |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 77  |                       let winner = Arc::clone(&winner);
[INFO] [stdout]     |                           ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 78  |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 79  | |                         assert_eq!(CELL.try_get(), Err(TryGetError::Uninit));
[INFO] [stdout] 80  | |
[INFO] [stdout] 81  | |                         barrier.wait();
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |                         }
[INFO] [stdout] 137 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/noblock.rs:52:5
[INFO] [stdout]     |
[INFO] [stdout] 52  |       generate_tests_non_blocking!();
[INFO] [stdout]     |       ------------------------------ in this macro invocation
[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: this error originates in the macro `generate_tests_non_blocking` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 44 |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]    |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 45 |                       let cell = Arc::clone(&cell);
[INFO] [stdout]    |                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 46 |                       thread::spawn(move || {
[INFO] [stdout]    |  ___________________________________^
[INFO] [stdout] 47 | |                         barrier.wait();
[INFO] [stdout] 48 | |                         assert!(cell.try_init_once(|| id + 1).is_err());
[INFO] [stdout] 49 | |                     })
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/spin.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |       generate_tests_non_blocking!();
[INFO] [stdout]    |       ------------------------------ in this macro invocation
[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: this error originates in the macro `generate_tests_non_blocking` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:78:35
[INFO] [stdout]     |
[INFO] [stdout] 76  |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 77  |                       let winner = Arc::clone(&winner);
[INFO] [stdout]     |                           ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 78  |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 79  | |                         assert_eq!(CELL.try_get(), Err(TryGetError::Uninit));
[INFO] [stdout] 80  | |
[INFO] [stdout] 81  | |                         barrier.wait();
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |                         }
[INFO] [stdout] 137 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/spin.rs:70:5
[INFO] [stdout]     |
[INFO] [stdout] 70  |       generate_tests_non_blocking!();
[INFO] [stdout]     |       ------------------------------ in this macro invocation
[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: this error originates in the macro `generate_tests_non_blocking` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:246:35
[INFO] [stdout]     |
[INFO] [stdout] 244 |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 245 |                       let cell = Arc::clone(&cell);
[INFO] [stdout]     |                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 246 |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 247 | |                         barrier.wait();
[INFO] [stdout] 248 | |                         // all threads block and have to wait for the main thread to
[INFO] [stdout] 249 | |                         // initialize the cell
[INFO] [stdout] 250 | |                         let res = cell.get_or_init(|| id + 1);
[INFO] [stdout] 251 | |                         assert_eq!(*res, 0);
[INFO] [stdout] 252 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/spin.rs:71:5
[INFO] [stdout]     |
[INFO] [stdout] 71  |       generate_tests!();
[INFO] [stdout]     |       ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:278:35
[INFO] [stdout]     |
[INFO] [stdout] 276 |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 277 |                       let cell = Arc::clone(&cell);
[INFO] [stdout]     |                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 278 |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 279 | |                         barrier.wait();
[INFO] [stdout] 280 | |                         let _res = cell.get_or_init(|| id + 1);
[INFO] [stdout] 281 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/spin.rs:71:5
[INFO] [stdout]     |
[INFO] [stdout] 71  |       generate_tests!();
[INFO] [stdout]     |       ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:346:50
[INFO] [stdout]     |
[INFO] [stdout] 346 |             assert!(std::panic::catch_unwind(|| *PANIC).is_err());
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/spin.rs:71:5
[INFO] [stdout]     |
[INFO] [stdout] 71  |     generate_tests!();
[INFO] [stdout]     |     ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:347:50
[INFO] [stdout]     |
[INFO] [stdout] 347 |             assert!(std::panic::catch_unwind(|| *PANIC).is_err());
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/spin.rs:71:5
[INFO] [stdout]     |
[INFO] [stdout] 71  |     generate_tests!();
[INFO] [stdout]     |     ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/cell.rs:297:45
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 self.try_init_inner(&mut || func.take().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/cell.rs:352:55
[INFO] [stdout]     |
[INFO] [stdout] 352 |                 let res = self.try_init_inner(&mut || func.take().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/lazy.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub const fn new(init: F) -> Self {
[INFO] [stdout]    |                      ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |         Self { cell: OnceCell::uninit(), init: ManuallyDrop::new(init) }
[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/tests.rs:46:35
[INFO] [stdout]     |
[INFO] [stdout] 44  |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 45  |                       let cell = Arc::clone(&cell);
[INFO] [stdout]     |                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 46  |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 47  | |                         barrier.wait();
[INFO] [stdout] 48  | |                         assert!(cell.try_init_once(|| id + 1).is_err());
[INFO] [stdout] 49  | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/park.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |       generate_tests_non_blocking!();
[INFO] [stdout]     |       ------------------------------ in this macro invocation
[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: this error originates in the macro `generate_tests_non_blocking` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:78:35
[INFO] [stdout]     |
[INFO] [stdout] 76  |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 77  |                       let winner = Arc::clone(&winner);
[INFO] [stdout]     |                           ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 78  |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 79  | |                         assert_eq!(CELL.try_get(), Err(TryGetError::Uninit));
[INFO] [stdout] 80  | |
[INFO] [stdout] 81  | |                         barrier.wait();
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |                         }
[INFO] [stdout] 137 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/park.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |       generate_tests_non_blocking!();
[INFO] [stdout]     |       ------------------------------ in this macro invocation
[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: this error originates in the macro `generate_tests_non_blocking` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:246:35
[INFO] [stdout]     |
[INFO] [stdout] 244 |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 245 |                       let cell = Arc::clone(&cell);
[INFO] [stdout]     |                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 246 |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 247 | |                         barrier.wait();
[INFO] [stdout] 248 | |                         // all threads block and have to wait for the main thread to
[INFO] [stdout] 249 | |                         // initialize the cell
[INFO] [stdout] 250 | |                         let res = cell.get_or_init(|| id + 1);
[INFO] [stdout] 251 | |                         assert_eq!(*res, 0);
[INFO] [stdout] 252 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/park.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |       generate_tests!();
[INFO] [stdout]     |       ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:278:35
[INFO] [stdout]     |
[INFO] [stdout] 276 |                       let barrier = Arc::clone(&barrier);
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 277 |                       let cell = Arc::clone(&cell);
[INFO] [stdout]     |                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 278 |                       thread::spawn(move || {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 279 | |                         barrier.wait();
[INFO] [stdout] 280 | |                         let _res = cell.get_or_init(|| id + 1);
[INFO] [stdout] 281 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/park.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |       generate_tests!();
[INFO] [stdout]     |       ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:346:50
[INFO] [stdout]     |
[INFO] [stdout] 346 |             assert!(std::panic::catch_unwind(|| *PANIC).is_err());
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/park.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     generate_tests!();
[INFO] [stdout]     |     ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/tests.rs:347:50
[INFO] [stdout]     |
[INFO] [stdout] 347 |             assert!(std::panic::catch_unwind(|| *PANIC).is_err());
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/park.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     generate_tests!();
[INFO] [stdout]     |     ----------------- in this macro invocation
[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: this error originates in the macro `generate_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conquer-once` (lib test) due to 18 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c061f527594db0f5799991231b103073dce13db895afc59cf791eb304dbf0630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c061f527594db0f5799991231b103073dce13db895afc59cf791eb304dbf0630", kill_on_drop: false }`
[INFO] [stdout] c061f527594db0f5799991231b103073dce13db895afc59cf791eb304dbf0630