[INFO] fetching crate weak-list2 0.1.0...
[INFO] checking weak-list2-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate weak-list2 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate weak-list2 0.1.0 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 weak-list2 0.1.0
[INFO] finished tweaking crates.io crate weak-list2 0.1.0
[INFO] tweaked toml for crates.io crate weak-list2 0.1.0 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 05ff376098154f48ae7101379f61cd547e6349a77d0abccb9ed8bcb6833671dc
[INFO] running `Command { std: "docker" "start" "-a" "05ff376098154f48ae7101379f61cd547e6349a77d0abccb9ed8bcb6833671dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ff376098154f48ae7101379f61cd547e6349a77d0abccb9ed8bcb6833671dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ff376098154f48ae7101379f61cd547e6349a77d0abccb9ed8bcb6833671dc", kill_on_drop: false }`
[INFO] [stdout] 05ff376098154f48ae7101379f61cd547e6349a77d0abccb9ed8bcb6833671dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3226721563b99d5e55f0c186161c811cc0257238282b5136feea26b590b57d0d
[INFO] running `Command { std: "docker" "start" "-a" "3226721563b99d5e55f0c186161c811cc0257238282b5136feea26b590b57d0d", kill_on_drop: false }`
[INFO] [stderr]     Checking weak-list2 v0.1.0 (/opt/rustwide/workdir)
[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/lib.rs:169:40
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn push_front<T: Send + Sync + 'static>(&mut self, elem: T) -> WeakRef<T> {
[INFO] [stdout]     |                                                            ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 169 |         self.push_front_no_alloc(elem, AllocMem::default())
[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/lib.rs:442:14
[INFO] [stdout]     |
[INFO] [stdout] 440 |         let arc: Arc<Node<T>> = unsafe { Arc::from_raw(raw_node_ptr as *const Node<T>) };
[INFO] [stdout]     |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 441 |
[INFO] [stdout] 442 |         Some(ArcRef { arc })
[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/lib.rs:733:5
[INFO] [stdout]     |
[INFO] [stdout] 730 |     aa: Arc<dyn Any + Send + Sync + 'static>,
[INFO] [stdout]     |     ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 733 |     aa.downcast::<Node<T>>().map(|node| ArcRef { arc: node })
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `weak-list2` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/lib.rs:169:40
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn push_front<T: Send + Sync + 'static>(&mut self, elem: T) -> WeakRef<T> {
[INFO] [stdout]     |                                                            ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 169 |         self.push_front_no_alloc(elem, AllocMem::default())
[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/lib.rs:442:14
[INFO] [stdout]     |
[INFO] [stdout] 440 |         let arc: Arc<Node<T>> = unsafe { Arc::from_raw(raw_node_ptr as *const Node<T>) };
[INFO] [stdout]     |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 441 |
[INFO] [stdout] 442 |         Some(ArcRef { arc })
[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/lib.rs:733:5
[INFO] [stdout]     |
[INFO] [stdout] 730 |     aa: Arc<dyn Any + Send + Sync + 'static>,
[INFO] [stdout]     |     ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 733 |     aa.downcast::<Node<T>>().map(|node| ArcRef { arc: node })
[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] [stderr] error: could not compile `weak-list2` (lib test) due to 4 previous errors
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3226721563b99d5e55f0c186161c811cc0257238282b5136feea26b590b57d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3226721563b99d5e55f0c186161c811cc0257238282b5136feea26b590b57d0d", kill_on_drop: false }`
[INFO] [stdout] 3226721563b99d5e55f0c186161c811cc0257238282b5136feea26b590b57d0d