[INFO] cloning repository https://github.com/crsiwf/mnist_classifier [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crsiwf/mnist_classifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrsiwf%2Fmnist_classifier", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrsiwf%2Fmnist_classifier'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3f12db11fa232a260c29adec3c3413212bd62a11 [INFO] testing crsiwf/mnist_classifier against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrsiwf%2Fmnist_classifier" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/crsiwf/mnist_classifier [INFO] finished tweaking git repo https://github.com/crsiwf/mnist_classifier [INFO] tweaked toml for git repo https://github.com/crsiwf/mnist_classifier written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/crsiwf/mnist_classifier on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/crsiwf/mnist_classifier 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c36f0cea8820c5806edd9ae3d6b029bc49a9ae421ebaeb39e1702bf338499f9 [INFO] running `Command { std: "docker" "start" "-a" "6c36f0cea8820c5806edd9ae3d6b029bc49a9ae421ebaeb39e1702bf338499f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c36f0cea8820c5806edd9ae3d6b029bc49a9ae421ebaeb39e1702bf338499f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c36f0cea8820c5806edd9ae3d6b029bc49a9ae421ebaeb39e1702bf338499f9", kill_on_drop: false }` [INFO] [stdout] 6c36f0cea8820c5806edd9ae3d6b029bc49a9ae421ebaeb39e1702bf338499f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 51f0e775d8423ca83d4703c3cd464b105514bdde632bd0b89a778a2be51cf1e7 [INFO] running `Command { std: "docker" "start" "-a" "51f0e775d8423ca83d4703c3cd464b105514bdde632bd0b89a778a2be51cf1e7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rand_distr v0.4.3 [INFO] [stderr] Compiling neural_net v0.1.0 (/opt/rustwide/workdir/neural_net) [INFO] [stdout] warning: unused variable: `batch_size` [INFO] [stdout] --> neural_net/src/lib.rs:240:9 [INFO] [stdout] | [INFO] [stdout] 240 | batch_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> neural_net/src/lib.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | learning_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> neural_net/src/lib.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | data: &[Matrix2D], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> neural_net/src/lib.rs:243:9 [INFO] [stdout] | [INFO] [stdout] 243 | labels: &[Matrix2D], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `batch_size` [INFO] [stdout] --> neural_net/src/lib.rs:250:9 [INFO] [stdout] | [INFO] [stdout] 250 | batch_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> neural_net/src/lib.rs:251:9 [INFO] [stdout] | [INFO] [stdout] 251 | learning_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> neural_net/src/lib.rs:252:9 [INFO] [stdout] | [INFO] [stdout] 252 | data: &[Matrix2D], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> neural_net/src/lib.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | labels: &[Matrix2D], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `batch_size` [INFO] [stdout] --> neural_net/src/lib.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 260 | batch_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> neural_net/src/lib.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | learning_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> neural_net/src/lib.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | data: &[Matrix2D], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> neural_net/src/lib.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | labels: &[Matrix2D], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mnist_classifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s [INFO] running `Command { std: "docker" "inspect" "51f0e775d8423ca83d4703c3cd464b105514bdde632bd0b89a778a2be51cf1e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51f0e775d8423ca83d4703c3cd464b105514bdde632bd0b89a778a2be51cf1e7", kill_on_drop: false }` [INFO] [stdout] 51f0e775d8423ca83d4703c3cd464b105514bdde632bd0b89a778a2be51cf1e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] fdcb154b874b86598b58835d8da6d8f7d0a5ae3522141215d1ee3191344d9878 [INFO] running `Command { std: "docker" "start" "-a" "fdcb154b874b86598b58835d8da6d8f7d0a5ae3522141215d1ee3191344d9878", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `batch_size` [INFO] [stdout] --> neural_net/src/lib.rs:240:9 [INFO] [stdout] | [INFO] [stdout] 240 | batch_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> neural_net/src/lib.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | learning_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> neural_net/src/lib.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | data: &[Matrix2D], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> neural_net/src/lib.rs:243:9 [INFO] [stdout] | [INFO] [stdout] 243 | labels: &[Matrix2D], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `batch_size` [INFO] [stdout] --> neural_net/src/lib.rs:250:9 [INFO] [stdout] | [INFO] [stdout] 250 | batch_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mnist_classifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> neural_net/src/lib.rs:251:9 [INFO] [stdout] | [INFO] [stdout] 251 | learning_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> neural_net/src/lib.rs:252:9 [INFO] [stdout] | [INFO] [stdout] 252 | data: &[Matrix2D], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> neural_net/src/lib.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | labels: &[Matrix2D], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `batch_size` [INFO] [stdout] --> neural_net/src/lib.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 260 | batch_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> neural_net/src/lib.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | learning_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> neural_net/src/lib.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | data: &[Matrix2D], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> neural_net/src/lib.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | labels: &[Matrix2D], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "fdcb154b874b86598b58835d8da6d8f7d0a5ae3522141215d1ee3191344d9878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdcb154b874b86598b58835d8da6d8f7d0a5ae3522141215d1ee3191344d9878", kill_on_drop: false }` [INFO] [stdout] fdcb154b874b86598b58835d8da6d8f7d0a5ae3522141215d1ee3191344d9878 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 7caf7be7d0ee6274a2c40e4fdd3e8f8a6ce3b4427286405cc6dc70de2c01fee2 [INFO] running `Command { std: "docker" "start" "-a" "7caf7be7d0ee6274a2c40e4fdd3e8f8a6ce3b4427286405cc6dc70de2c01fee2", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `batch_size` [INFO] [stdout] [INFO] [stderr] --> neural_net/src/lib.rs:240:9 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 240 | batch_size: usize, [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `learning_rate` [INFO] [stderr] --> neural_net/src/lib.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | learning_rate: f32, [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> neural_net/src/lib.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | data: &[Matrix2D], [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> neural_net/src/lib.rs:243:9 [INFO] [stderr] | [INFO] [stderr] 243 | labels: &[Matrix2D], [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `batch_size` [INFO] [stderr] --> neural_net/src/lib.rs:250:9 [INFO] [stderr] | [INFO] [stderr] 250 | batch_size: usize, [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `learning_rate` [INFO] [stderr] --> neural_net/src/lib.rs:251:9 [INFO] [stderr] | [INFO] [stderr] 251 | learning_rate: f32, [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> neural_net/src/lib.rs:252:9 [INFO] [stderr] | [INFO] [stderr] 252 | data: &[Matrix2D], [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> neural_net/src/lib.rs:253:9 [INFO] [stderr] | [INFO] [stderr] 253 | labels: &[Matrix2D], [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `batch_size` [INFO] [stderr] --> neural_net/src/lib.rs:260:9 [INFO] [stderr] | [INFO] [stderr] 260 | batch_size: usize, [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `learning_rate` [INFO] [stderr] --> neural_net/src/lib.rs:261:9 [INFO] [stderr] | [INFO] [stderr] 261 | learning_rate: f32, [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> neural_net/src/lib.rs:262:9 [INFO] [stderr] | [INFO] [stderr] 262 | data: &[Matrix2D], [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> neural_net/src/lib.rs:263:9 [INFO] [stderr] | [INFO] [stderr] 263 | labels: &[Matrix2D], [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stderr] [INFO] [stderr] warning: `neural_net` (lib) generated 12 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mnist_classifier-516d2cf21774bb8f) [INFO] running `Command { std: "docker" "inspect" "7caf7be7d0ee6274a2c40e4fdd3e8f8a6ce3b4427286405cc6dc70de2c01fee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7caf7be7d0ee6274a2c40e4fdd3e8f8a6ce3b4427286405cc6dc70de2c01fee2", kill_on_drop: false }` [INFO] [stdout] 7caf7be7d0ee6274a2c40e4fdd3e8f8a6ce3b4427286405cc6dc70de2c01fee2