[INFO] fetching crate arcrs 0.1.1-alpha.7... [INFO] checking arcrs-0.1.1-alpha.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate arcrs 0.1.1-alpha.7 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate arcrs 0.1.1-alpha.7 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 arcrs 0.1.1-alpha.7 [INFO] finished tweaking crates.io crate arcrs 0.1.1-alpha.7 [INFO] tweaked toml for crates.io crate arcrs 0.1.1-alpha.7 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 33 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding ctor v0.1.26 (latest: v0.2.8) [INFO] [stderr] Adding indoc v0.3.6 (latest: v2.0.5) [INFO] [stderr] Adding indoc-impl v0.3.6 (latest: v0.3.7) [INFO] [stderr] Adding inventory v0.1.11 (latest: v0.3.15) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.10) [INFO] [stderr] Adding paste v0.1.18 (latest: v1.0.15) [INFO] [stderr] Adding pyo3 v0.12.4 (latest: v0.22.2) [INFO] [stderr] Adding pyo3-derive-backend v0.12.4 (latest: v0.12.5) [INFO] [stderr] Adding pyo3cls v0.12.4 (latest: v0.12.5) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.3) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding unindent v0.1.11 (latest: v0.2.3) [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] 7b5f25712e42e6bd9deccb543a5ca09dff6e2580e8767c999a3c2a3d48b39945 [INFO] running `Command { std: "docker" "start" "-a" "7b5f25712e42e6bd9deccb543a5ca09dff6e2580e8767c999a3c2a3d48b39945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b5f25712e42e6bd9deccb543a5ca09dff6e2580e8767c999a3c2a3d48b39945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b5f25712e42e6bd9deccb543a5ca09dff6e2580e8767c999a3c2a3d48b39945", kill_on_drop: false }` [INFO] [stdout] 7b5f25712e42e6bd9deccb543a5ca09dff6e2580e8767c999a3c2a3d48b39945 [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] 27941c5fc3993c203923286e4eb6e9ecab7899cf97fa93863dd9ac07dae60133 [INFO] running `Command { std: "docker" "start" "-a" "27941c5fc3993c203923286e4eb6e9ecab7899cf97fa93863dd9ac07dae60133", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling unindent v0.1.11 [INFO] [stderr] Compiling inventory v0.1.11 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling pyo3 v0.12.4 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking parking_lot_core v0.8.6 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling ghost v0.1.17 [INFO] [stderr] Compiling pyo3-derive-backend v0.12.4 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling inventory-impl v0.1.11 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Compiling pyo3cls v0.12.4 [INFO] [stderr] Checking arcrs v0.1.1-alpha.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `create_features_input_parameter` is never used [INFO] [stdout] --> src/gp.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_features_output_parameter` is never used [INFO] [stdout] --> src/gp.rs:147:4 [INFO] [stdout] | [INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/gp.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | Ok(parameter.to_object(py)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/gp.rs:156:8 [INFO] [stdout] | [INFO] [stdout] 156 | Ok(parameter.to_object(py)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_features_input_parameter` is never used [INFO] [stdout] --> src/gp.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn create_features_input_parameter(py: Python) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_features_output_parameter` is never used [INFO] [stdout] --> src/gp.rs:147:4 [INFO] [stdout] | [INFO] [stdout] 147 | fn create_features_output_parameter(py: Python) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/gp.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | Ok(parameter.to_object(py)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/gp.rs:156:8 [INFO] [stdout] | [INFO] [stdout] 156 | Ok(parameter.to_object(py)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will 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] [INFO] [stdout] [INFO] [stderr] error: could not compile `arcrs` (lib) due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arcrs` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "27941c5fc3993c203923286e4eb6e9ecab7899cf97fa93863dd9ac07dae60133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27941c5fc3993c203923286e4eb6e9ecab7899cf97fa93863dd9ac07dae60133", kill_on_drop: false }` [INFO] [stdout] 27941c5fc3993c203923286e4eb6e9ecab7899cf97fa93863dd9ac07dae60133