[INFO] fetching crate general-mq 0.1.14...
[INFO] checking general-mq-0.1.14 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate general-mq 0.1.14 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate general-mq 0.1.14 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 general-mq 0.1.14
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate general-mq 0.1.14
[INFO] tweaked toml for crates.io crate general-mq 0.1.14 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate general-mq 0.1.14 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b329d7e330405d7ec7efdbb54ebb48f5f46740548af579bc7b89f613c96a3281
[INFO] running `Command { std: "docker" "start" "-a" "b329d7e330405d7ec7efdbb54ebb48f5f46740548af579bc7b89f613c96a3281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b329d7e330405d7ec7efdbb54ebb48f5f46740548af579bc7b89f613c96a3281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b329d7e330405d7ec7efdbb54ebb48f5f46740548af579bc7b89f613c96a3281", kill_on_drop: false }`
[INFO] [stdout] b329d7e330405d7ec7efdbb54ebb48f5f46740548af579bc7b89f613c96a3281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b6cc4614d41ae6ae0097810f5b5ed59a1121ec6a035eaa6b55810669fc734b68
[INFO] running `Command { std: "docker" "start" "-a" "b6cc4614d41ae6ae0097810f5b5ed59a1121ec6a035eaa6b55810669fc734b68", kill_on_drop: false }`
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[INFO] [stderr]     Checking general-mq v0.1.14 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<Arc<dyn MessageHandler>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/mqtt/queue.rs:244:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn on_publish(&self, packet: Publish) {
[INFO] [stdout]     |                          ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 244 |         if let Some(handler) = self.msg_handler() {
[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] [stdout] error: this value of type `Option<Arc<dyn MessageHandler>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/mqtt/queue.rs:244:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn on_publish(&self, packet: Publish) {
[INFO] [stdout]     |                          ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 244 |         if let Some(handler) = self.msg_handler() {
[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 `general-mq` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `general-mq` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6cc4614d41ae6ae0097810f5b5ed59a1121ec6a035eaa6b55810669fc734b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6cc4614d41ae6ae0097810f5b5ed59a1121ec6a035eaa6b55810669fc734b68", kill_on_drop: false }`
[INFO] [stdout] b6cc4614d41ae6ae0097810f5b5ed59a1121ec6a035eaa6b55810669fc734b68