[INFO] fetching crate arena-voxel-tree 0.0.1... [INFO] checking arena-voxel-tree-0.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate arena-voxel-tree 0.0.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate arena-voxel-tree 0.0.1 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 arena-voxel-tree 0.0.1 [INFO] finished tweaking crates.io crate arena-voxel-tree 0.0.1 [INFO] tweaked toml for crates.io crate arena-voxel-tree 0.0.1 written to /workspace/builds/worker-2-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 81 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding crossterm v0.26.1 (latest: v0.28.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding mio v0.8.11 (latest: v1.0.2) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cf8df7061795085adbc75ed6c210f60d2935462b7fdfbab7a8d3fb86317ea2a6 [INFO] running `Command { std: "docker" "start" "-a" "cf8df7061795085adbc75ed6c210f60d2935462b7fdfbab7a8d3fb86317ea2a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf8df7061795085adbc75ed6c210f60d2935462b7fdfbab7a8d3fb86317ea2a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf8df7061795085adbc75ed6c210f60d2935462b7fdfbab7a8d3fb86317ea2a6", kill_on_drop: false }` [INFO] [stdout] cf8df7061795085adbc75ed6c210f60d2935462b7fdfbab7a8d3fb86317ea2a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3a700e2695ffa6b9223cd7a24a059995b9d14c4cbb644c97d3bd4e66ad739698 [INFO] running `Command { std: "docker" "start" "-a" "3a700e2695ffa6b9223cd7a24a059995b9d14c4cbb644c97d3bd4e66ad739698", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking signal-hook-mio v0.2.4 [INFO] [stderr] Checking crossterm v0.26.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking arena-voxel-tree v0.0.1 (/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/arena_node.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 100 | let node_to_lookup = self.get_node_arc(node_id)?; [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 101 | / node_to_lookup [INFO] [stdout] 102 | | .read() [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |___________________| [INFO] [stdout] | [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parallel_tree.rs:57:15 [INFO] [stdout] | [INFO] [stdout] 51 | walker_fn: Arc>, [INFO] [stdout] | --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 54 | let arena_arc = self.get_arena_arc(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 55 | let walker_fn_arc = walker_fn; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 56 | [INFO] [stdout] 57 | spawn(move || { [INFO] [stdout] | _______________^ [INFO] [stdout] 58 | | let read_guard: ReadGuarded<'_, Arena> = arena_arc.read().unwrap(); [INFO] [stdout] 59 | | let return_value = match traversal_kind { [INFO] [stdout] 60 | | TraversalKind::DepthFirst => read_guard.tree_walk_dfs(node_id), [INFO] [stdout] ... | [INFO] [stdout] 76 | | return_value [INFO] [stdout] 77 | | }) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arena-voxel-tree` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/arena_node.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 100 | let node_to_lookup = self.get_node_arc(node_id)?; [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 101 | / node_to_lookup [INFO] [stdout] 102 | | .read() [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |___________________| [INFO] [stdout] | [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parallel_tree.rs:57:15 [INFO] [stdout] | [INFO] [stdout] 51 | walker_fn: Arc>, [INFO] [stdout] | --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 54 | let arena_arc = self.get_arena_arc(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 55 | let walker_fn_arc = walker_fn; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 56 | [INFO] [stdout] 57 | spawn(move || { [INFO] [stdout] | _______________^ [INFO] [stdout] 58 | | let read_guard: ReadGuarded<'_, Arena> = arena_arc.read().unwrap(); [INFO] [stdout] 59 | | let return_value = match traversal_kind { [INFO] [stdout] 60 | | TraversalKind::DepthFirst => read_guard.tree_walk_dfs(node_id), [INFO] [stdout] ... | [INFO] [stdout] 76 | | return_value [INFO] [stdout] 77 | | }) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arena-voxel-tree` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "3a700e2695ffa6b9223cd7a24a059995b9d14c4cbb644c97d3bd4e66ad739698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a700e2695ffa6b9223cd7a24a059995b9d14c4cbb644c97d3bd4e66ad739698", kill_on_drop: false }` [INFO] [stdout] 3a700e2695ffa6b9223cd7a24a059995b9d14c4cbb644c97d3bd4e66ad739698