[INFO] fetching crate axum-scientist 0.1.0...
[INFO] checking axum-scientist-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate axum-scientist 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate axum-scientist 0.1.0 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 axum-scientist 0.1.0
[INFO] finished tweaking crates.io crate axum-scientist 0.1.0
[INFO] tweaked toml for crates.io crate axum-scientist 0.1.0 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.6.20 (available: v0.7.6)
[INFO] [stderr]       Adding axum-core v0.3.4 (available: v0.4.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (available: v1.0.1)
[INFO] [stderr]       Adding hyper v0.14.30 (available: v1.4.1)
[INFO] [stderr]       Adding matchit v0.7.3 (available: v0.8.4)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (available: v1.0.1)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ea4369496939a463fff3d57302604b4cc902684deee46b27f70b8c68cfbefc2e
[INFO] running `Command { std: "docker" "start" "-a" "ea4369496939a463fff3d57302604b4cc902684deee46b27f70b8c68cfbefc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea4369496939a463fff3d57302604b4cc902684deee46b27f70b8c68cfbefc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4369496939a463fff3d57302604b4cc902684deee46b27f70b8c68cfbefc2e", kill_on_drop: false }`
[INFO] [stdout] ea4369496939a463fff3d57302604b4cc902684deee46b27f70b8c68cfbefc2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 97092c02ee949ad85c27bc1b200b1c365a5d7e0fcafb1e3e65c5d4dfabd95c20
[INFO] running `Command { std: "docker" "start" "-a" "97092c02ee949ad85c27bc1b200b1c365a5d7e0fcafb1e3e65c5d4dfabd95c20", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking axum-scientist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `tokio::sync::MutexGuard<'_, Vec<Log>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let comparator = StatusCodeComparator::new();
[INFO] [stdout]     |             ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 308 |
[INFO] [stdout] 309 |         let mut scientist = Scientist::new(
[INFO] [stdout]     |             ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 321 |         let _response = scientist.call(req).await.unwrap();
[INFO] [stdout]     |             --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 336 |         let _response = scientist.call(req).await.unwrap();
[INFO] [stdout]     |             --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 339 |             let log = comparator.log.lock().await;
[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 `axum-scientist` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "97092c02ee949ad85c27bc1b200b1c365a5d7e0fcafb1e3e65c5d4dfabd95c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97092c02ee949ad85c27bc1b200b1c365a5d7e0fcafb1e3e65c5d4dfabd95c20", kill_on_drop: false }`
[INFO] [stdout] 97092c02ee949ad85c27bc1b200b1c365a5d7e0fcafb1e3e65c5d4dfabd95c20