[INFO] fetching crate circulate 0.5.0...
[INFO] checking circulate-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate circulate 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate circulate 0.5.0 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 circulate 0.5.0
[INFO] finished tweaking crates.io crate circulate 0.5.0
[INFO] tweaked toml for crates.io crate circulate 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate circulate 0.5.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e61991440a6fcdf5e76c611d7582c14e7876cad5f3766319b5f351b42c300cf4
[INFO] running `Command { std: "docker" "start" "-a" "e61991440a6fcdf5e76c611d7582c14e7876cad5f3766319b5f351b42c300cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e61991440a6fcdf5e76c611d7582c14e7876cad5f3766319b5f351b42c300cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e61991440a6fcdf5e76c611d7582c14e7876cad5f3766319b5f351b42c300cf4", kill_on_drop: false }`
[INFO] [stdout] e61991440a6fcdf5e76c611d7582c14e7876cad5f3766319b5f351b42c300cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ec854b652189f1a3d18e6d2b14d92bdd7bf7df652016a1fc278b2bb488d273c6
[INFO] running `Command { std: "docker" "start" "-a" "ec854b652189f1a3d18e6d2b14d92bdd7bf7df652016a1fc278b2bb488d273c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking pot v3.0.0
[INFO] [stderr]     Checking arc-bytes v0.3.3
[INFO] [stderr]     Checking circulate v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::option::Option<SubscriberInfo>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:287:35
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut subscribers = self.data.subscribers.write();
[INFO] [stdout]     |             --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 285 |         let mut topics = self.data.topics.write();
[INFO] [stdout]     |             ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 286 |         let mut subscriptions = self.data.subscriptions.write();
[INFO] [stdout]     |             ----------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 287 |         if let Some(subscriber) = subscribers.remove(&subscriber_id) {
[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: this value of type `std::option::Option<SubscriberInfo>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:287:35
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut subscribers = self.data.subscribers.write();
[INFO] [stdout]     |             --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 285 |         let mut topics = self.data.topics.write();
[INFO] [stdout]     |             ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 286 |         let mut subscriptions = self.data.subscriptions.write();
[INFO] [stdout]     |             ----------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 287 |         if let Some(subscriber) = subscribers.remove(&subscriber_id) {
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `circulate` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `circulate` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec854b652189f1a3d18e6d2b14d92bdd7bf7df652016a1fc278b2bb488d273c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec854b652189f1a3d18e6d2b14d92bdd7bf7df652016a1fc278b2bb488d273c6", kill_on_drop: false }`
[INFO] [stdout] ec854b652189f1a3d18e6d2b14d92bdd7bf7df652016a1fc278b2bb488d273c6