[INFO] fetching crate serde-xml-rs 0.6.0...
[INFO] checking serde-xml-rs-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate serde-xml-rs 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate serde-xml-rs 0.6.0 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 serde-xml-rs 0.6.0
[INFO] finished tweaking crates.io crate serde-xml-rs 0.6.0
[INFO] tweaked toml for crates.io crate serde-xml-rs 0.6.0 written to /workspace/builds/worker-0-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]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding rstest v0.12.0 (available: v0.22.0)
[INFO] [stderr]       Adding simple_logger v2.3.0 (available: v5.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding which v2.0.1 (available: v6.0.3)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6)
[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] 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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3708521fb7f7734436ccba423f9d4264515ada4dc14439bffe8d4a0250850579
[INFO] running `Command { std: "docker" "start" "-a" "3708521fb7f7734436ccba423f9d4264515ada4dc14439bffe8d4a0250850579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3708521fb7f7734436ccba423f9d4264515ada4dc14439bffe8d4a0250850579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3708521fb7f7734436ccba423f9d4264515ada4dc14439bffe8d4a0250850579", kill_on_drop: false }`
[INFO] [stdout] 3708521fb7f7734436ccba423f9d4264515ada4dc14439bffe8d4a0250850579
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31893d937ef694d98ffd69401ace8eecf4074ae5d6f1aa79f146e23196ff4d5e
[INFO] running `Command { std: "docker" "start" "-a" "31893d937ef694d98ffd69401ace8eecf4074ae5d6f1aa79f146e23196ff4d5e", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking xml-rs v0.8.22
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking simple_logger v2.3.0
[INFO] [stderr]     Checking serde-xml-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::result::Result<xml::reader::XmlEvent, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/de/mod.rs:195:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |         f: F,
[INFO] [stdout]     |         - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 195 |             debug_expect!(self.next(), Ok(XmlEvent::StartElement { name, .. }) => {
[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 `serde-xml-rs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "31893d937ef694d98ffd69401ace8eecf4074ae5d6f1aa79f146e23196ff4d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31893d937ef694d98ffd69401ace8eecf4074ae5d6f1aa79f146e23196ff4d5e", kill_on_drop: false }`
[INFO] [stdout] 31893d937ef694d98ffd69401ace8eecf4074ae5d6f1aa79f146e23196ff4d5e