[INFO] fetching crate gabelung 0.2.4... [INFO] checking gabelung-0.2.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate gabelung 0.2.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate gabelung 0.2.4 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gabelung 0.2.4 [INFO] finished tweaking crates.io crate gabelung 0.2.4 [INFO] tweaked toml for crates.io crate gabelung 0.2.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 92 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.3.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (available: v1.7.2) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding event-listener v2.5.3 (available: v5.3.1) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding lock_api v0.3.4 (available: v0.4.12) [INFO] [stderr] Adding parking_lot v0.10.2 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.7.3 (available: v0.9.10) [INFO] [stderr] Adding pin-project-lite v0.1.12 (available: v0.2.14) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.40.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (available: v2.4.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6efa96f0750d69c06e4f5e6766357fdadef2fd019c92b0aba989e225b3648bb [INFO] running `Command { std: "docker" "start" "-a" "a6efa96f0750d69c06e4f5e6766357fdadef2fd019c92b0aba989e225b3648bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6efa96f0750d69c06e4f5e6766357fdadef2fd019c92b0aba989e225b3648bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6efa96f0750d69c06e4f5e6766357fdadef2fd019c92b0aba989e225b3648bb", kill_on_drop: false }` [INFO] [stdout] a6efa96f0750d69c06e4f5e6766357fdadef2fd019c92b0aba989e225b3648bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4bca8c5bb8910e344c354f6f5c4b0c893965dec171b7676adb40dfcd556998c [INFO] running `Command { std: "docker" "start" "-a" "a4bca8c5bb8910e344c354f6f5c4b0c893965dec171b7676adb40dfcd556998c", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking polling v3.7.3 [INFO] [stderr] Checking async-io v2.3.4 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.13.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking gabelung v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option<::Item>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:162:15 [INFO] [stdout] | [INFO] [stdout] 144 | let mut inner = self.inner.lock(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 162 | match own_branch.take_item() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | match ready!(stream.poll_next(cx)) { [INFO] [stdout] | ---------------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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 `gabelung` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a4bca8c5bb8910e344c354f6f5c4b0c893965dec171b7676adb40dfcd556998c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4bca8c5bb8910e344c354f6f5c4b0c893965dec171b7676adb40dfcd556998c", kill_on_drop: false }` [INFO] [stdout] a4bca8c5bb8910e344c354f6f5c4b0c893965dec171b7676adb40dfcd556998c