[INFO] fetching crate gerrymander 0.2.0...
[INFO] checking gerrymander-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate gerrymander 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate gerrymander 0.2.0 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 gerrymander 0.2.0
[INFO] finished tweaking crates.io crate gerrymander 0.2.0
[INFO] tweaked toml for crates.io crate gerrymander 0.2.0 written to /workspace/builds/worker-4-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 11 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 83d0a68d31e34436f53a917c18d870c0feb87eea05fa6db7e29c559050b3b1b3
[INFO] running `Command { std: "docker" "start" "-a" "83d0a68d31e34436f53a917c18d870c0feb87eea05fa6db7e29c559050b3b1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83d0a68d31e34436f53a917c18d870c0feb87eea05fa6db7e29c559050b3b1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d0a68d31e34436f53a917c18d870c0feb87eea05fa6db7e29c559050b3b1b3", kill_on_drop: false }`
[INFO] [stdout] 83d0a68d31e34436f53a917c18d870c0feb87eea05fa6db7e29c559050b3b1b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5e2768a1f6b160136d5044e747298ab5bdacbd7053bb50a1a9c100172594ef79
[INFO] running `Command { std: "docker" "start" "-a" "5e2768a1f6b160136d5044e747298ab5bdacbd7053bb50a1a9c100172594ef79", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking gerrymander v0.2.0 (/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:162:8
[INFO] [stdout]     |
[INFO] [stdout] 135 |       self,
[INFO] [stdout]     |       ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 138 |       let (pop_count, mut to_push) = match self {
[INFO] [stdout]     |                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 139 |         Transition::None => return Ok(TransitionOutcome::None),
[INFO] [stdout] 140 |         Transition::Push(s) => (0, vec![s]),
[INFO] [stdout]     |                          - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 141 |         Transition::Pop => (1, vec![]),
[INFO] [stdout] 142 |         Transition::Swap(s) => (1, vec![s]),
[INFO] [stdout]     |                          - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 143 |         Transition::PopNAndPush(count, states) => (count, states),
[INFO] [stdout]     |                                        ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 160 |       let removed: Vec<T> = stack.drain(len - pop_count..).collect();
[INFO] [stdout]     |           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 161 |
[INFO] [stdout] 162 |       Ok(if to_push.is_empty() {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 163 | |       TransitionOutcome::Revealed(removed)
[INFO] [stdout] 164 | |     } else {
[INFO] [stdout] 165 | |       let len = to_push.len();
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |       }
[INFO] [stdout] 172 | |     })
[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] error: could not compile `gerrymander` (lib) due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5e2768a1f6b160136d5044e747298ab5bdacbd7053bb50a1a9c100172594ef79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2768a1f6b160136d5044e747298ab5bdacbd7053bb50a1a9c100172594ef79", kill_on_drop: false }`
[INFO] [stdout] 5e2768a1f6b160136d5044e747298ab5bdacbd7053bb50a1a9c100172594ef79