[INFO] fetching crate batch-aint-one 0.6.5...
[INFO] checking batch-aint-one-0.6.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate batch-aint-one 0.6.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate batch-aint-one 0.6.5 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate batch-aint-one 0.6.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate batch-aint-one 0.6.5
[INFO] tweaked toml for crates.io crate batch-aint-one 0.6.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a15cb38a2556df3783d830501f1116f1df86896e3ccbfa52defdcee69f57d5
[INFO] running `Command { std: "docker" "start" "-a" "33a15cb38a2556df3783d830501f1116f1df86896e3ccbfa52defdcee69f57d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a15cb38a2556df3783d830501f1116f1df86896e3ccbfa52defdcee69f57d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a15cb38a2556df3783d830501f1116f1df86896e3ccbfa52defdcee69f57d5", kill_on_drop: false }`
[INFO] [stdout] 33a15cb38a2556df3783d830501f1116f1df86896e3ccbfa52defdcee69f57d5
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a56753b37b0f5165374f1cfe3b0fcee3c1f214abce006c24b028bd03ff11fc19
[INFO] running `Command { std: "docker" "start" "-a" "a56753b37b0f5165374f1cfe3b0fcee3c1f214abce006c24b028bd03ff11fc19", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking predicates v3.1.2
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]     Checking batch-aint-one v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<Batch<K, I, O, E>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/worker.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn process_generation(&mut self, key: K, generation: Generation) {
[INFO] [stdout]     |                                      --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 122 |         if let Some(batch) = batch.take_generation_for_processing(generation) {
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `batch-aint-one` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a56753b37b0f5165374f1cfe3b0fcee3c1f214abce006c24b028bd03ff11fc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56753b37b0f5165374f1cfe3b0fcee3c1f214abce006c24b028bd03ff11fc19", kill_on_drop: false }`
[INFO] [stdout] a56753b37b0f5165374f1cfe3b0fcee3c1f214abce006c24b028bd03ff11fc19