[INFO] fetching crate undo 0.51.0...
[INFO] checking undo-0.51.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate undo 0.51.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate undo 0.51.0 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 undo 0.51.0
[INFO] finished tweaking crates.io crate undo 0.51.0
[INFO] tweaked toml for crates.io crate undo 0.51.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate undo 0.51.0 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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f6868224038c8b0357ada18fc1c288db858939e0191ca0980a8a217de4c6a59
[INFO] running `Command { std: "docker" "start" "-a" "3f6868224038c8b0357ada18fc1c288db858939e0191ca0980a8a217de4c6a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f6868224038c8b0357ada18fc1c288db858939e0191ca0980a8a217de4c6a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6868224038c8b0357ada18fc1c288db858939e0191ca0980a8a217de4c6a59", kill_on_drop: false }`
[INFO] [stdout] 3f6868224038c8b0357ada18fc1c288db858939e0191ca0980a8a217de4c6a59
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e36d2ea12607ac45070bb41b7189abb9f9a83559854e5f6a587d840ce8d37f8
[INFO] running `Command { std: "docker" "start" "-a" "8e36d2ea12607ac45070bb41b7189abb9f9a83559854e5f6a587d840ce8d37f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking undo v0.51.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Merged<E>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/entry.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub(crate) fn merge(&mut self, other: Self) -> Merged<Self>
[INFO] [stdout]    |                                    ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 59 |         match self.edit.merge(other.edit) {
[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]    Compiling num-traits v0.2.16
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `undo` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8e36d2ea12607ac45070bb41b7189abb9f9a83559854e5f6a587d840ce8d37f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e36d2ea12607ac45070bb41b7189abb9f9a83559854e5f6a587d840ce8d37f8", kill_on_drop: false }`
[INFO] [stdout] 8e36d2ea12607ac45070bb41b7189abb9f9a83559854e5f6a587d840ce8d37f8