[INFO] fetching crate breadcrumb_channel 0.1.0... [INFO] checking breadcrumb_channel-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate breadcrumb_channel 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate breadcrumb_channel 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate breadcrumb_channel 0.1.0 [INFO] finished tweaking crates.io crate breadcrumb_channel 0.1.0 [INFO] tweaked toml for crates.io crate breadcrumb_channel 0.1.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 39 packages to latest compatible versions [INFO] [stderr] Adding arc_slice_pool v0.1.1 (available: v0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d154d9ac87a741af865f8375d4526cbbdd92710837084d68a1c150234ebebd3 [INFO] running `Command { std: "docker" "start" "-a" "5d154d9ac87a741af865f8375d4526cbbdd92710837084d68a1c150234ebebd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d154d9ac87a741af865f8375d4526cbbdd92710837084d68a1c150234ebebd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d154d9ac87a741af865f8375d4526cbbdd92710837084d68a1c150234ebebd3", kill_on_drop: false }` [INFO] [stdout] 5d154d9ac87a741af865f8375d4526cbbdd92710837084d68a1c150234ebebd3 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d2e0a7898fe3cfbea17ca66f0ce1abfc8fa44c4911409f1031037cc9014c5a1 [INFO] running `Command { std: "docker" "start" "-a" "4d2e0a7898fe3cfbea17ca66f0ce1abfc8fa44c4911409f1031037cc9014c5a1", kill_on_drop: false }` [INFO] [stderr] Checking consume_on_drop v0.1.1 [INFO] [stderr] Checking stable_queue v0.1.0 [INFO] [stderr] Compiling derive-where v1.2.7 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking arc_slice_pool v0.1.1 [INFO] [stderr] Checking arc_queue_pool v0.1.0 [INFO] [stderr] Checking breadcrumb_channel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result>, arc_slice_pool::Arc>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/inner.rs:64:15 [INFO] [stdout] | [INFO] [stdout] 58 | let sender_next_node = next_node_rx.borrow().clone(); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | match SliceArc::try_unwrap(replaced_node) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result>, arc_slice_pool::Arc>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/inner.rs:64:15 [INFO] [stdout] | [INFO] [stdout] 58 | let sender_next_node = next_node_rx.borrow().clone(); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | match SliceArc::try_unwrap(replaced_node) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `breadcrumb_channel` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `breadcrumb_channel` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4d2e0a7898fe3cfbea17ca66f0ce1abfc8fa44c4911409f1031037cc9014c5a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d2e0a7898fe3cfbea17ca66f0ce1abfc8fa44c4911409f1031037cc9014c5a1", kill_on_drop: false }` [INFO] [stdout] 4d2e0a7898fe3cfbea17ca66f0ce1abfc8fa44c4911409f1031037cc9014c5a1