[INFO] fetching crate id_collections 1.0.1...
[INFO] checking id_collections-1.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate id_collections 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate id_collections 1.0.1 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 id_collections 1.0.1
[INFO] finished tweaking crates.io crate id_collections 1.0.1
[INFO] tweaked toml for crates.io crate id_collections 1.0.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb716a3422c3609e1aa7bb10db07d9571098335850aa952125c7905e3c3e20ac
[INFO] running `Command { std: "docker" "start" "-a" "cb716a3422c3609e1aa7bb10db07d9571098335850aa952125c7905e3c3e20ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb716a3422c3609e1aa7bb10db07d9571098335850aa952125c7905e3c3e20ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb716a3422c3609e1aa7bb10db07d9571098335850aa952125c7905e3c3e20ac", kill_on_drop: false }`
[INFO] [stdout] cb716a3422c3609e1aa7bb10db07d9571098335850aa952125c7905e3c3e20ac
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc45ad4d0cc2633e211ed634418d2169ca5539ff51441b2469230ed496551bfa
[INFO] running `Command { std: "docker" "start" "-a" "bc45ad4d0cc2633e211ed634418d2169ca5539ff51441b2469230ed496551bfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling id_collections_derive v0.1.0
[INFO] [stderr]     Checking id_collections v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stdout] error: this value of type `Result<&mut T, id_map::OccupiedError<'_, I, T>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/id_map.rs:513:15
[INFO] [stdout]     |
[INFO] [stdout] 511 |     pub fn insert_vacant<J: Borrow<I>>(&mut self, id: J, value: T) -> &mut T {
[INFO] [stdout]     |                                                   -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 512 |         let id = *id.borrow();
[INFO] [stdout] 513 |         match self.try_insert(id, value) {
[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 `id_collections` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc45ad4d0cc2633e211ed634418d2169ca5539ff51441b2469230ed496551bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc45ad4d0cc2633e211ed634418d2169ca5539ff51441b2469230ed496551bfa", kill_on_drop: false }`
[INFO] [stdout] bc45ad4d0cc2633e211ed634418d2169ca5539ff51441b2469230ed496551bfa