[INFO] fetching crate matrixlab 0.1.5... [INFO] checking matrixlab-0.1.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate matrixlab 0.1.5 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate matrixlab 0.1.5 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 matrixlab 0.1.5 [INFO] finished tweaking crates.io crate matrixlab 0.1.5 [INFO] tweaked toml for crates.io crate matrixlab 0.1.5 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 57 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.3.0) [INFO] [stderr] Adding bit-set v0.5.3 (latest: v0.8.0) [INFO] [stderr] Adding bit-vec v0.6.3 (latest: v0.8.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding proptest v0.9.6 (latest: v1.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.4) [INFO] [stderr] Adding rusty-fork v0.2.2 (latest: v0.3.0) [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] 2865ca26e3a58476afc49514c86495af68aee06c5be4437b46f845ed60c836b3 [INFO] running `Command { std: "docker" "start" "-a" "2865ca26e3a58476afc49514c86495af68aee06c5be4437b46f845ed60c836b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2865ca26e3a58476afc49514c86495af68aee06c5be4437b46f845ed60c836b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2865ca26e3a58476afc49514c86495af68aee06c5be4437b46f845ed60c836b3", kill_on_drop: false }` [INFO] [stdout] 2865ca26e3a58476afc49514c86495af68aee06c5be4437b46f845ed60c836b3 [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] 1d648ab56e053251bbc2de761cf85e67ab8dd1c56fd24403da7eb2d268caadf2 [INFO] running `Command { std: "docker" "start" "-a" "1d648ab56e053251bbc2de761cf85e67ab8dd1c56fd24403da7eb2d268caadf2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Checking matrixlab v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/matrix/dense.rs:157:100 [INFO] [stdout] | [INFO] [stdout] 157 | let r = q_transpose.safe_mul(self).expect("Error in least squares, multiplication failed");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [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/matrix/dense.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn from_rows(rows: Vec>) -> DenseMatrix { [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 72 | / DenseMatrix { [INFO] [stdout] 73 | | columns: rows [INFO] [stdout] 74 | | }.transpose() [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: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/dense.rs:105:21 [INFO] [stdout] | [INFO] [stdout] 105 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 105 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 104 | || IntoIterator::into_iter([Default::default()]) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/sparse.rs:406:43 [INFO] [stdout] | [INFO] [stdout] 406 | let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 406 | let mut x: Vector = [0.0f64].iter().cycle() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 406 | let mut x: Vector = IntoIterator::into_iter([0.0f64]).cycle() [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `matrixlab` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1d648ab56e053251bbc2de761cf85e67ab8dd1c56fd24403da7eb2d268caadf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d648ab56e053251bbc2de761cf85e67ab8dd1c56fd24403da7eb2d268caadf2", kill_on_drop: false }` [INFO] [stdout] 1d648ab56e053251bbc2de761cf85e67ab8dd1c56fd24403da7eb2d268caadf2