[INFO] crate smallbox 0.8.2 is already in cache
[INFO] checking smallbox-0.8.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate smallbox 0.8.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate smallbox 0.8.2 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 smallbox 0.8.2
[INFO] finished tweaking crates.io crate smallbox 0.8.2
[INFO] tweaked toml for crates.io crate smallbox 0.8.2 written to /workspace/builds/worker-3-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] 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bf17ceaae4997e2bb86cbd94bf9b7666a66f33f7eb12c7deb6e1b44c6670e6b0
[INFO] running `Command { std: "docker" "start" "-a" "bf17ceaae4997e2bb86cbd94bf9b7666a66f33f7eb12c7deb6e1b44c6670e6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf17ceaae4997e2bb86cbd94bf9b7666a66f33f7eb12c7deb6e1b44c6670e6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf17ceaae4997e2bb86cbd94bf9b7666a66f33f7eb12c7deb6e1b44c6670e6b0", kill_on_drop: false }`
[INFO] [stdout] bf17ceaae4997e2bb86cbd94bf9b7666a66f33f7eb12c7deb6e1b44c6670e6b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 86cd666997b5ee320abde6fd22adb355fc90e57c54eb813661b99491edf28485
[INFO] running `Command { std: "docker" "start" "-a" "86cd666997b5ee320abde6fd22adb355fc90e57c54eb813661b99491edf28485", kill_on_drop: false }`
[INFO] [stderr]     Checking smallbox v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/smallbox.rs:538:43
[INFO] [stdout]     |
[INFO] [stdout] 538 |         struct Struct<'a>(&'a Cell<bool>, u8);
[INFO] [stdout]     |                ------                     ^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/smallbox.rs:562:23
[INFO] [stdout]     |
[INFO] [stdout] 562 |         struct NoDrop(S1);
[INFO] [stdout]     |                ------ ^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[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/smallbox.rs:599:29
[INFO] [stdout]     |
[INFO] [stdout] 598 |         let stacked: SmallBox<[usize; 2], S2> = smallbox!([1usize, 2]);
[INFO] [stdout]     |             ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 599 |         assert_eq!(stacked, stacked.clone())
[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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallbox` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "86cd666997b5ee320abde6fd22adb355fc90e57c54eb813661b99491edf28485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cd666997b5ee320abde6fd22adb355fc90e57c54eb813661b99491edf28485", kill_on_drop: false }`
[INFO] [stdout] 86cd666997b5ee320abde6fd22adb355fc90e57c54eb813661b99491edf28485