[INFO] fetching crate cetkaik_yhuap_move_candidates 1.3.1...
[INFO] checking cetkaik_yhuap_move_candidates-1.3.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate cetkaik_yhuap_move_candidates 1.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cetkaik_yhuap_move_candidates 1.3.1 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cetkaik_yhuap_move_candidates 1.3.1
[INFO] finished tweaking crates.io crate cetkaik_yhuap_move_candidates 1.3.1
[INFO] tweaked toml for crates.io crate cetkaik_yhuap_move_candidates 1.3.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d3e5afc295a78c973d95d9e57ccc1b45ca1de037c29c80c88ca5696b4dbd6f
[INFO] running `Command { std: "docker" "start" "-a" "d8d3e5afc295a78c973d95d9e57ccc1b45ca1de037c29c80c88ca5696b4dbd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d3e5afc295a78c973d95d9e57ccc1b45ca1de037c29c80c88ca5696b4dbd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d3e5afc295a78c973d95d9e57ccc1b45ca1de037c29c80c88ca5696b4dbd6f", kill_on_drop: false }`
[INFO] [stdout] d8d3e5afc295a78c973d95d9e57ccc1b45ca1de037c29c80c88ca5696b4dbd6f
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787f51be4a9b351516247f64d21de60cb3735c11a086f3ca7dedb06313c7b23c
[INFO] running `Command { std: "docker" "start" "-a" "787f51be4a9b351516247f64d21de60cb3735c11a086f3ca7dedb06313c7b23c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking cetkaik_fundamental v1.0.0
[INFO] [stderr]     Checking cetkaik_traits v1.3.1
[INFO] [stderr]     Checking cetkaik_compact_representation v1.5.0
[INFO] [stderr]     Checking cetkaik_naive_representation v1.3.0
[INFO] [stderr]     Checking cetkaik_yhuap_move_candidates v1.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:389:25
[INFO] [stdout]     |
[INFO] [stdout] 388 |                           let v = empty_neighbors_of::<T>(subtracted_board, fst_dst);
[INFO] [stdout]     |                               - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 389 | /                         v.flat_map(move |snd_dst| {
[INFO] [stdout] 390 | |                             vec![PureMove_::TamMoveStepsDuringFormer {
[INFO] [stdout] 391 | |                                 first_dest: T::to_absolute_coord(fst_dst, perspective),
[INFO] [stdout] 392 | |                                 second_dest: T::to_absolute_coord(snd_dst, perspective),
[INFO] [stdout] ...   |
[INFO] [stdout] 396 | |                             .into_iter()
[INFO] [stdout] 397 | |                         })
[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 `cetkaik_yhuap_move_candidates` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "787f51be4a9b351516247f64d21de60cb3735c11a086f3ca7dedb06313c7b23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787f51be4a9b351516247f64d21de60cb3735c11a086f3ca7dedb06313c7b23c", kill_on_drop: false }`
[INFO] [stdout] 787f51be4a9b351516247f64d21de60cb3735c11a086f3ca7dedb06313c7b23c