[INFO] cloning repository https://github.com/LukeRichardson-dev/NeuralNetwork [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LukeRichardson-dev/NeuralNetwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukeRichardson-dev%2FNeuralNetwork", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukeRichardson-dev%2FNeuralNetwork'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 901c648e77581d0b9a6513682f7048566b01250a [INFO] checking LukeRichardson-dev/NeuralNetwork/901c648e77581d0b9a6513682f7048566b01250a against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukeRichardson-dev%2FNeuralNetwork" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LukeRichardson-dev/NeuralNetwork 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 git repo https://github.com/LukeRichardson-dev/NeuralNetwork [INFO] finished tweaking git repo https://github.com/LukeRichardson-dev/NeuralNetwork [INFO] tweaked toml for git repo https://github.com/LukeRichardson-dev/NeuralNetwork written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LukeRichardson-dev/NeuralNetwork 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-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] 1d692e7298a148d7dbc41e9d7cece41331509ec23663c32beff37729792d2a5c [INFO] running `Command { std: "docker" "start" "-a" "1d692e7298a148d7dbc41e9d7cece41331509ec23663c32beff37729792d2a5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d692e7298a148d7dbc41e9d7cece41331509ec23663c32beff37729792d2a5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d692e7298a148d7dbc41e9d7cece41331509ec23663c32beff37729792d2a5c", kill_on_drop: false }` [INFO] [stdout] 1d692e7298a148d7dbc41e9d7cece41331509ec23663c32beff37729792d2a5c [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] cccc77c67fb205b33fbe67533c1747d9e45c5a6e297ef6eaaa2f5083ccce008a [INFO] running `Command { std: "docker" "start" "-a" "cccc77c67fb205b33fbe67533c1747d9e45c5a6e297ef6eaaa2f5083ccce008a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking neural-network v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `random` and `thread_rng` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{random, prelude::{thread_rng}}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `random` and `thread_rng` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{random, prelude::{thread_rng}}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layer1` [INFO] [stdout] --> src/main.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | let layer1 = Layer { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layer2` [INFO] [stdout] --> src/main.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | let layer2 = Layer { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `cost` is never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Network { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 10 | layers: Vec>, [INFO] [stdout] 11 | cost: C, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/maths.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub trait Differentiable { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 43 | fn apply(&self, x: &Array1) -> Array1; [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/main.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 15 | fn from_layout(shape: Vec, cost: C, activation: A) -> Self { [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] 16 | Self { [INFO] [stdout] 17 | layers: shape[..shape.len() - 1] [INFO] [stdout] | _____________________^ [INFO] [stdout] 18 | | .iter() [INFO] [stdout] 19 | | .zip(shape[1..].iter()) [INFO] [stdout] 20 | | .map(|(a, b)| { [INFO] [stdout] ... | [INFO] [stdout] 32 | | }) [INFO] [stdout] 33 | | .collect(), [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; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layer1` [INFO] [stdout] --> src/main.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | let layer1 = Layer { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layer2` [INFO] [stdout] --> src/main.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | let layer2 = Layer { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `cost` is never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Network { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 10 | layers: Vec>, [INFO] [stdout] 11 | cost: C, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/maths.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub trait Differentiable { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 43 | fn apply(&self, x: &Array1) -> Array1; [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/main.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 15 | fn from_layout(shape: Vec, cost: C, activation: A) -> Self { [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] 16 | Self { [INFO] [stdout] 17 | layers: shape[..shape.len() - 1] [INFO] [stdout] | _____________________^ [INFO] [stdout] 18 | | .iter() [INFO] [stdout] 19 | | .zip(shape[1..].iter()) [INFO] [stdout] 20 | | .map(|(a, b)| { [INFO] [stdout] ... | [INFO] [stdout] 32 | | }) [INFO] [stdout] 33 | | .collect(), [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; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neural-network` (bin "neural-network" test) due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `neural-network` (bin "neural-network") due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cccc77c67fb205b33fbe67533c1747d9e45c5a6e297ef6eaaa2f5083ccce008a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cccc77c67fb205b33fbe67533c1747d9e45c5a6e297ef6eaaa2f5083ccce008a", kill_on_drop: false }` [INFO] [stdout] cccc77c67fb205b33fbe67533c1747d9e45c5a6e297ef6eaaa2f5083ccce008a