[INFO] fetching crate fast-neural-network 0.6.2... [INFO] checking fast-neural-network-0.6.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fast-neural-network 0.6.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate fast-neural-network 0.6.2 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 fast-neural-network 0.6.2 [INFO] finished tweaking crates.io crate fast-neural-network 0.6.2 [INFO] tweaked toml for crates.io crate fast-neural-network 0.6.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate fast-neural-network 0.6.2 already has a lockfile, it will not be regenerated [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 404157f05e24274381e968887339776fb52c205a1e2de2acd7a3e90455d8f04e [INFO] running `Command { std: "docker" "start" "-a" "404157f05e24274381e968887339776fb52c205a1e2de2acd7a3e90455d8f04e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "404157f05e24274381e968887339776fb52c205a1e2de2acd7a3e90455d8f04e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "404157f05e24274381e968887339776fb52c205a1e2de2acd7a3e90455d8f04e", kill_on_drop: false }` [INFO] [stdout] 404157f05e24274381e968887339776fb52c205a1e2de2acd7a3e90455d8f04e [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3e15c2678bbdd2305a3ad4e97845cf88859b64afa54c8a1bf824679498ea296 [INFO] running `Command { std: "docker" "start" "-a" "f3e15c2678bbdd2305a3ad4e97845cf88859b64afa54c8a1bf824679498ea296", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling serde v1.0.166 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling serde_json v1.0.99 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Compiling portable-atomic v1.4.3 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling rustix v0.38.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking clap_builder v4.3.21 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking thread-tree v0.3.3 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling matrixmultiply v0.3.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling syn v2.0.23 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex-automata v0.3.6 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking clap v4.3.21 [INFO] [stderr] Checking regex v1.9.3 [INFO] [stderr] Checking indicatif v0.17.7 [INFO] [stderr] Compiling serde_derive v1.0.166 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking fast-neural-network v0.6.2 (/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/neural_network.rs:314:13 [INFO] [stdout] | [INFO] [stdout] 309 | let dw = dz.dot(&a.t()) / m; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 310 | let db = &dz.column(0) / m; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 311 | let da = weights.t().dot(dz); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 314 | Array::from_shape_vec((da.len(), 1), da.into_raw_vec()).unwrap(), [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/neural_network.rs:387:9 [INFO] [stdout] | [INFO] [stdout] 374 | let mut output = input.clone().into_shape((self.inputs.size, 1)).unwrap(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 387 | output.into_shape((self.outputs.size, 1)).unwrap() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/activation.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug, Serialize, Deserialize, Clone)] [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: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fast-neural-network` (lib) due to 4 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/neural_network.rs:314:13 [INFO] [stdout] | [INFO] [stdout] 309 | let dw = dz.dot(&a.t()) / m; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 310 | let db = &dz.column(0) / m; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 311 | let da = weights.t().dot(dz); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 314 | Array::from_shape_vec((da.len(), 1), da.into_raw_vec()).unwrap(), [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/neural_network.rs:387:9 [INFO] [stdout] | [INFO] [stdout] 374 | let mut output = input.clone().into_shape((self.inputs.size, 1)).unwrap(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 387 | output.into_shape((self.outputs.size, 1)).unwrap() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/activation.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug, Serialize, Deserialize, Clone)] [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: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fast-neural-network` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "f3e15c2678bbdd2305a3ad4e97845cf88859b64afa54c8a1bf824679498ea296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3e15c2678bbdd2305a3ad4e97845cf88859b64afa54c8a1bf824679498ea296", kill_on_drop: false }` [INFO] [stdout] f3e15c2678bbdd2305a3ad4e97845cf88859b64afa54c8a1bf824679498ea296