[INFO] fetching crate smartcore 0.3.2... [INFO] checking smartcore-0.3.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate smartcore 0.3.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate smartcore 0.3.2 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 smartcore 0.3.2 [INFO] finished tweaking crates.io crate smartcore 0.3.2 [INFO] tweaked toml for crates.io crate smartcore 0.3.2 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 74 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73a1207e12977f981c92f5a0ca14ecaef6e79c24c2d1a7cce9e230993ea076af [INFO] running `Command { std: "docker" "start" "-a" "73a1207e12977f981c92f5a0ca14ecaef6e79c24c2d1a7cce9e230993ea076af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73a1207e12977f981c92f5a0ca14ecaef6e79c24c2d1a7cce9e230993ea076af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73a1207e12977f981c92f5a0ca14ecaef6e79c24c2d1a7cce9e230993ea076af", kill_on_drop: false }` [INFO] [stdout] 73a1207e12977f981c92f5a0ca14ecaef6e79c24c2d1a7cce9e230993ea076af [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c812865ecbd686be6044c6639f85a4f9b37f1f342ad4c91d570cb13dee7b730 [INFO] running `Command { std: "docker" "start" "-a" "5c812865ecbd686be6044c6639f85a4f9b37f1f342ad4c91d570cb13dee7b730", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking smartcore v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/linalg/basic/matrix.rs:143:72 [INFO] [stdout] | [INFO] [stdout] 143 | fn iter_mut<'b>(&'b mut self, axis: u8) -> Box + 'b> { [INFO] [stdout] | -- lifetime `'b` declared here ^ this elided lifetime gets resolved as `'b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/linalg/basic/matrix.rs:143:72 [INFO] [stdout] | [INFO] [stdout] 143 | fn iter_mut<'b>(&'b mut self, axis: u8) -> Box + 'b> { [INFO] [stdout] | -- lifetime `'b` declared here ^ this elided lifetime gets resolved as `'b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/preprocessing/numerical.rs:175:34 [INFO] [stdout] | [INFO] [stdout] 170 | fn build_matrix_from_columns(columns: Vec) -> Option [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 175 | if let Some(output_matrix) = columns.first().cloned() { [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] warning: method `quick_argsort` is never used [INFO] [stdout] --> src/algorithm/sort/quick_sort.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait QuickArgSort { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 6 | fn quick_argsort(&self) -> Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smartcore` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/preprocessing/numerical.rs:175:34 [INFO] [stdout] | [INFO] [stdout] 170 | fn build_matrix_from_columns(columns: Vec) -> Option [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 175 | if let Some(output_matrix) = columns.first().cloned() { [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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smartcore` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5c812865ecbd686be6044c6639f85a4f9b37f1f342ad4c91d570cb13dee7b730", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c812865ecbd686be6044c6639f85a4f9b37f1f342ad4c91d570cb13dee7b730", kill_on_drop: false }` [INFO] [stdout] 5c812865ecbd686be6044c6639f85a4f9b37f1f342ad4c91d570cb13dee7b730