[INFO] fetching crate libsvm 0.4.0... [INFO] checking libsvm-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate libsvm 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate libsvm 0.4.0 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 libsvm 0.4.0 [INFO] finished tweaking crates.io crate libsvm 0.4.0 [INFO] tweaked toml for crates.io crate libsvm 0.4.0 written to /workspace/builds/worker-0-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 75 packages to latest compatible versions [INFO] [stderr] Adding bindgen v0.59.2 (latest: v0.70.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding ctor v0.1.26 (latest: v0.2.8) [INFO] [stderr] Adding env_logger v0.9.3 (latest: v0.11.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.3) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.6) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.6) [INFO] [stderr] Adding num-derive v0.3.3 (latest: v0.4.2) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.2) [INFO] [stderr] Adding peeking_take_while v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (latest: v2.0.0) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.3) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5710ca764b7a7d3fed23410980a7a31b9030f8c46b325ce86fc09b6689d8be0f [INFO] running `Command { std: "docker" "start" "-a" "5710ca764b7a7d3fed23410980a7a31b9030f8c46b325ce86fc09b6689d8be0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5710ca764b7a7d3fed23410980a7a31b9030f8c46b325ce86fc09b6689d8be0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5710ca764b7a7d3fed23410980a7a31b9030f8c46b325ce86fc09b6689d8be0f", kill_on_drop: false }` [INFO] [stdout] 5710ca764b7a7d3fed23410980a7a31b9030f8c46b325ce86fc09b6689d8be0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8e7c2a144f1c22a4adbfb759cdeec8552cc62f76b46573e8e71aad6bd9fe2c5c [INFO] running `Command { std: "docker" "start" "-a" "8e7c2a144f1c22a4adbfb759cdeec8552cc62f76b46573e8e71aad6bd9fe2c5c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling libsvm-sys2 v4.0.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Checking libsvm v0.4.0 (/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/model.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn fit(&self, x: X, y: Y) -> Result [INFO] [stdout] | ---- ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 120 | Ok(SvmPredictor { [INFO] [stdout] | ____________^ [INFO] [stdout] 121 | | model_ptr, [INFO] [stdout] 122 | | // nodes_opt: Some(x_nodes), [INFO] [stdout] 123 | | }) [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/model.rs:238:12 [INFO] [stdout] | [INFO] [stdout] 214 | pub fn load

(path: P) -> Result [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | let cstring = CString::new( [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 238 | Ok(SvmPredictor { [INFO] [stdout] | ____________^ [INFO] [stdout] 239 | | model_ptr, [INFO] [stdout] 240 | | // nodes_opt: None, [INFO] [stdout] 241 | | }) [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 `libsvm` (lib) 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/model.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn fit(&self, x: X, y: Y) -> Result [INFO] [stdout] | ---- ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 120 | Ok(SvmPredictor { [INFO] [stdout] | ____________^ [INFO] [stdout] 121 | | model_ptr, [INFO] [stdout] 122 | | // nodes_opt: Some(x_nodes), [INFO] [stdout] 123 | | }) [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/model.rs:238:12 [INFO] [stdout] | [INFO] [stdout] 214 | pub fn load

(path: P) -> Result [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | let cstring = CString::new( [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 238 | Ok(SvmPredictor { [INFO] [stdout] | ____________^ [INFO] [stdout] 239 | | model_ptr, [INFO] [stdout] 240 | | // nodes_opt: None, [INFO] [stdout] 241 | | }) [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 `libsvm` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "8e7c2a144f1c22a4adbfb759cdeec8552cc62f76b46573e8e71aad6bd9fe2c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e7c2a144f1c22a4adbfb759cdeec8552cc62f76b46573e8e71aad6bd9fe2c5c", kill_on_drop: false }` [INFO] [stdout] 8e7c2a144f1c22a4adbfb759cdeec8552cc62f76b46573e8e71aad6bd9fe2c5c