[INFO] fetching crate ctrlc2 3.5.8...
[INFO] checking ctrlc2-3.5.8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate ctrlc2 3.5.8 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ctrlc2 3.5.8 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 ctrlc2 3.5.8
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ctrlc2 3.5.8
[INFO] tweaked toml for crates.io crate ctrlc2 3.5.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ctrlc2 3.5.8 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 3b8c19f5bddb434ce3c7103c896272a6c70bed317dbd20bd4e9892b3da67bfc3
[INFO] running `Command { std: "docker" "start" "-a" "3b8c19f5bddb434ce3c7103c896272a6c70bed317dbd20bd4e9892b3da67bfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8c19f5bddb434ce3c7103c896272a6c70bed317dbd20bd4e9892b3da67bfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8c19f5bddb434ce3c7103c896272a6c70bed317dbd20bd4e9892b3da67bfc3", kill_on_drop: false }`
[INFO] [stdout] 3b8c19f5bddb434ce3c7103c896272a6c70bed317dbd20bd4e9892b3da67bfc3
[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] 0bcceb954ee09ef43b5af045a089356abf9b59e8fb9d0bf9321ec8c46e20f47c
[INFO] running `Command { std: "docker" "start" "-a" "0bcceb954ee09ef43b5af045a089356abf9b59e8fb9d0bf9321ec8c46e20f47c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking ctrlc2 v3.5.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Result<JoinHandle<()>, ctrlc2::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> tests/main/mod.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let flag = Arc::new(AtomicBool::new(false));
[INFO] [stdout]    |         ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 35 |     match ctrlc2::set_handler(|| true) {
[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 `ctrlc2` (test "main") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0bcceb954ee09ef43b5af045a089356abf9b59e8fb9d0bf9321ec8c46e20f47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcceb954ee09ef43b5af045a089356abf9b59e8fb9d0bf9321ec8c46e20f47c", kill_on_drop: false }`
[INFO] [stdout] 0bcceb954ee09ef43b5af045a089356abf9b59e8fb9d0bf9321ec8c46e20f47c