[INFO] fetching crate linked_lists_rs 0.1.2...
[INFO] checking linked_lists_rs-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate linked_lists_rs 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate linked_lists_rs 0.1.2 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 linked_lists_rs 0.1.2
[INFO] finished tweaking crates.io crate linked_lists_rs 0.1.2
[INFO] tweaked toml for crates.io crate linked_lists_rs 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate linked_lists_rs 0.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ec46019ae23c870936dc07d8328123636dcc0e820e6c24e24ac82d15859a64b9
[INFO] running `Command { std: "docker" "start" "-a" "ec46019ae23c870936dc07d8328123636dcc0e820e6c24e24ac82d15859a64b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec46019ae23c870936dc07d8328123636dcc0e820e6c24e24ac82d15859a64b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec46019ae23c870936dc07d8328123636dcc0e820e6c24e24ac82d15859a64b9", kill_on_drop: false }`
[INFO] [stdout] ec46019ae23c870936dc07d8328123636dcc0e820e6c24e24ac82d15859a64b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2966d180499a5485f17b1dd2360ffa562bc0268eba2bfe8a1a60eaafc1d10d9c
[INFO] running `Command { std: "docker" "start" "-a" "2966d180499a5485f17b1dd2360ffa562bc0268eba2bfe8a1a60eaafc1d10d9c", kill_on_drop: false }`
[INFO] [stderr]     Checking linked_lists_rs v0.1.2 (/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/immutable_list.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&self, value: T) -> Self {
[INFO] [stdout]    |                        -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |         let new_node = Node {
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 25 |         List(Some(Arc::new(new_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]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_lists_rs` (lib) due to 3 previous errors
[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/immutable_list.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let node = self.0.clone();
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |         List(node.and_then(|node| node.next.clone()))
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[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/immutable_list.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&self, value: T) -> Self {
[INFO] [stdout]    |                        -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |         let new_node = Node {
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 25 |         List(Some(Arc::new(new_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]    = 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/immutable_list.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let node = self.0.clone();
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |         List(node.and_then(|node| node.next.clone()))
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_lists_rs` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2966d180499a5485f17b1dd2360ffa562bc0268eba2bfe8a1a60eaafc1d10d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2966d180499a5485f17b1dd2360ffa562bc0268eba2bfe8a1a60eaafc1d10d9c", kill_on_drop: false }`
[INFO] [stdout] 2966d180499a5485f17b1dd2360ffa562bc0268eba2bfe8a1a60eaafc1d10d9c