[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] checking crsiwf/mnist_classifier against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrsiwf%2Fmnist_classifier" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/crsiwf/mnist_classifier on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53230b786567c0e82e553b56d04269f15c53f491c8a2c5c8b66289158358e918 [INFO] running `Command { std: "docker" "start" "-a" "53230b786567c0e82e553b56d04269f15c53f491c8a2c5c8b66289158358e918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53230b786567c0e82e553b56d04269f15c53f491c8a2c5c8b66289158358e918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53230b786567c0e82e553b56d04269f15c53f491c8a2c5c8b66289158358e918", kill_on_drop: false }` [INFO] [stdout] 53230b786567c0e82e553b56d04269f15c53f491c8a2c5c8b66289158358e918 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc5137dfe93129968c1e7a43f3034d172783b6658c757cae9e1573e36d533b7d [INFO] running `Command { std: "docker" "start" "-a" "dc5137dfe93129968c1e7a43f3034d172783b6658c757cae9e1573e36d533b7d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking 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] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mnist_classifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "dc5137dfe93129968c1e7a43f3034d172783b6658c757cae9e1573e36d533b7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc5137dfe93129968c1e7a43f3034d172783b6658c757cae9e1573e36d533b7d", kill_on_drop: false }` [INFO] [stdout] dc5137dfe93129968c1e7a43f3034d172783b6658c757cae9e1573e36d533b7d