[INFO] cloning repository https://github.com/xDimGG/nn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xDimGG/nn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxDimGG%2Fnn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxDimGG%2Fnn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 94496c2d64b6ef9a8ab422f307f15026d1be0ddc [INFO] testing xDimGG/nn-rust against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxDimGG%2Fnn-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/xDimGG/nn-rust [INFO] finished tweaking git repo https://github.com/xDimGG/nn-rust [INFO] tweaked toml for git repo https://github.com/xDimGG/nn-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/xDimGG/nn-rust on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/xDimGG/nn-rust 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74e1d8dacd5a4d6123620f328cc1a26637b58faff49834bbca9020c4bc0f3aa1 [INFO] running `Command { std: "docker" "start" "-a" "74e1d8dacd5a4d6123620f328cc1a26637b58faff49834bbca9020c4bc0f3aa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74e1d8dacd5a4d6123620f328cc1a26637b58faff49834bbca9020c4bc0f3aa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74e1d8dacd5a4d6123620f328cc1a26637b58faff49834bbca9020c4bc0f3aa1", kill_on_drop: false }` [INFO] [stdout] 74e1d8dacd5a4d6123620f328cc1a26637b58faff49834bbca9020c4bc0f3aa1 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa649dd79b5c5c60ef435de118112ad91a2de5415de42e161a6f0e0a82d1782e [INFO] running `Command { std: "docker" "start" "-a" "aa649dd79b5c5c60ef435de118112ad91a2de5415de42e161a6f0e0a82d1782e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling mnist v0.5.0 [INFO] [stderr] Compiling getrandom v0.2.9 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mnist::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use mnist::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next_neuron` [INFO] [stdout] --> src/main.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | for (j, next_neuron) in next.neurons.iter().enumerate() { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_neuron` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Sigmoid`, `Linear`, and `Softmax` are never constructed [INFO] [stdout] --> src/main.rs:8:2 [INFO] [stdout] | [INFO] [stdout] 7 | enum Activation { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 8 | Sigmoid, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | ReLU, [INFO] [stdout] 10 | Linear, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | Softmax, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `learn` is never used [INFO] [stdout] --> src/main.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 137 | impl Network { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 188 | fn learn(&mut self, data: &Vec<(Vec, Vec)>, epochs: usize, alpha: f64, beta: f64, batch_size: usize, log: bool) -> Re... [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `one_hot` is never used [INFO] [stdout] --> src/main.rs:364:4 [INFO] [stdout] | [INFO] [stdout] 364 | fn one_hot(value: u8) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/main.rs:371:4 [INFO] [stdout] | [INFO] [stdout] 371 | fn largest(arr: Vec) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s [INFO] running `Command { std: "docker" "inspect" "aa649dd79b5c5c60ef435de118112ad91a2de5415de42e161a6f0e0a82d1782e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa649dd79b5c5c60ef435de118112ad91a2de5415de42e161a6f0e0a82d1782e", kill_on_drop: false }` [INFO] [stdout] aa649dd79b5c5c60ef435de118112ad91a2de5415de42e161a6f0e0a82d1782e [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6391c3d280824f103c46db5baa3c7464afe4617ab38454b22c3fc86341737019 [INFO] running `Command { std: "docker" "start" "-a" "6391c3d280824f103c46db5baa3c7464afe4617ab38454b22c3fc86341737019", kill_on_drop: false }` [INFO] [stderr] Compiling nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mnist::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use mnist::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next_neuron` [INFO] [stdout] --> src/main.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | for (j, next_neuron) in next.neurons.iter().enumerate() { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_neuron` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Sigmoid`, `Linear`, and `Softmax` are never constructed [INFO] [stdout] --> src/main.rs:8:2 [INFO] [stdout] | [INFO] [stdout] 7 | enum Activation { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 8 | Sigmoid, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | ReLU, [INFO] [stdout] 10 | Linear, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | Softmax, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `learn` is never used [INFO] [stdout] --> src/main.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 137 | impl Network { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 188 | fn learn(&mut self, data: &Vec<(Vec, Vec)>, epochs: usize, alpha: f64, beta: f64, batch_size: usize, log: bool) -> Re... [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `one_hot` is never used [INFO] [stdout] --> src/main.rs:364:4 [INFO] [stdout] | [INFO] [stdout] 364 | fn one_hot(value: u8) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/main.rs:371:4 [INFO] [stdout] | [INFO] [stdout] 371 | fn largest(arr: Vec) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "6391c3d280824f103c46db5baa3c7464afe4617ab38454b22c3fc86341737019", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6391c3d280824f103c46db5baa3c7464afe4617ab38454b22c3fc86341737019", kill_on_drop: false }` [INFO] [stdout] 6391c3d280824f103c46db5baa3c7464afe4617ab38454b22c3fc86341737019 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] df272e15d39200f0592a7acde1f09fb5015814df66932bcf50399a7bd5ab0279 [INFO] running `Command { std: "docker" "start" "-a" "df272e15d39200f0592a7acde1f09fb5015814df66932bcf50399a7bd5ab0279", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `mnist::*` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use mnist::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] running 0 tests [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unused variable: `next_neuron` [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] --> src/main.rs:287:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 287 | for (j, next_neuron) in next.neurons.iter().enumerate() { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_neuron` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variants `Sigmoid`, `Linear`, and `Softmax` are never constructed [INFO] [stderr] --> src/main.rs:8:2 [INFO] [stderr] | [INFO] [stderr] 7 | enum Activation { [INFO] [stderr] | ---------- variants in this enum [INFO] [stderr] 8 | Sigmoid, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 9 | ReLU, [INFO] [stderr] 10 | Linear, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 11 | Softmax, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `learn` is never used [INFO] [stderr] --> src/main.rs:188:5 [INFO] [stderr] | [INFO] [stderr] 137 | impl Network { [INFO] [stderr] | ------------ method in this implementation [INFO] [stderr] ... [INFO] [stderr] 188 | fn learn(&mut self, data: &Vec<(Vec, Vec)>, epochs: usize, alpha: f64, beta: f64, batch_size: usize, log: bool) -> Re... [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `one_hot` is never used [INFO] [stderr] --> src/main.rs:364:4 [INFO] [stderr] | [INFO] [stderr] 364 | fn one_hot(value: u8) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `largest` is never used [INFO] [stderr] --> src/main.rs:371:4 [INFO] [stderr] | [INFO] [stderr] 371 | fn largest(arr: Vec) -> usize { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `nn` (bin "nn" test) generated 6 warnings (run `cargo fix --bin "nn" -p nn --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nn-2b9124b2819d5dcc) [INFO] running `Command { std: "docker" "inspect" "df272e15d39200f0592a7acde1f09fb5015814df66932bcf50399a7bd5ab0279", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df272e15d39200f0592a7acde1f09fb5015814df66932bcf50399a7bd5ab0279", kill_on_drop: false }` [INFO] [stdout] df272e15d39200f0592a7acde1f09fb5015814df66932bcf50399a7bd5ab0279