[INFO] fetching crate signature-flow 1.0.0...
[INFO] checking signature-flow-1.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate signature-flow 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate signature-flow 1.0.0 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 signature-flow 1.0.0
[INFO] finished tweaking crates.io crate signature-flow 1.0.0
[INFO] tweaked toml for crates.io crate signature-flow 1.0.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.2.1 (latest: v0.3.3)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding hex-literal v0.3.4 (latest: v0.4.1)
[INFO] [stderr]       Adding sha3 v0.9.1 (latest: v0.10.8)
[INFO] [stderr]       Adding signature_derive v1.0.0-pre.3 (latest: v2.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[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] ccc63d722120c8ca00ccad0fbd9f03d35789c3086138cd7e29515aab8ca802c0
[INFO] running `Command { std: "docker" "start" "-a" "ccc63d722120c8ca00ccad0fbd9f03d35789c3086138cd7e29515aab8ca802c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccc63d722120c8ca00ccad0fbd9f03d35789c3086138cd7e29515aab8ca802c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc63d722120c8ca00ccad0fbd9f03d35789c3086138cd7e29515aab8ca802c0", kill_on_drop: false }`
[INFO] [stdout] ccc63d722120c8ca00ccad0fbd9f03d35789c3086138cd7e29515aab8ca802c0
[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] 05a7055f5ddd15901545c27f7c65e970b3012a16cf8cedbd50756def7241a7da
[INFO] running `Command { std: "docker" "start" "-a" "05a7055f5ddd15901545c27f7c65e970b3012a16cf8cedbd50756def7241a7da", kill_on_drop: false }`
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking signature-flow v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking digest v0.9.0
[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/error.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         source: impl Into<Box<dyn std::error::Error + Send + Sync + 'static>>,
[INFO] [stdout]    |         --------------------------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 54 |             source: Some(source.into()),
[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 `signature-flow` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "05a7055f5ddd15901545c27f7c65e970b3012a16cf8cedbd50756def7241a7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a7055f5ddd15901545c27f7c65e970b3012a16cf8cedbd50756def7241a7da", kill_on_drop: false }`
[INFO] [stdout] 05a7055f5ddd15901545c27f7c65e970b3012a16cf8cedbd50756def7241a7da