[INFO] cloning repository https://github.com/evanmcclure/digits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evanmcclure/digits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanmcclure%2Fdigits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanmcclure%2Fdigits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fecb61bdcfb5bb232618ef536e2516926c6b7723
[INFO] testing evanmcclure/digits against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanmcclure%2Fdigits" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evanmcclure/digits on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evanmcclure/digits
[INFO] finished tweaking git repo https://github.com/evanmcclure/digits
[INFO] tweaked toml for git repo https://github.com/evanmcclure/digits written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/evanmcclure/digits 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-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 623149a7dcf111810164e1d6359a4093df79f2b5de8960bec843fb9a6d6f0b4c
[INFO] running `Command { std: "docker" "start" "-a" "623149a7dcf111810164e1d6359a4093df79f2b5de8960bec843fb9a6d6f0b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623149a7dcf111810164e1d6359a4093df79f2b5de8960bec843fb9a6d6f0b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623149a7dcf111810164e1d6359a4093df79f2b5de8960bec843fb9a6d6f0b4c", kill_on_drop: false }`
[INFO] [stdout] 623149a7dcf111810164e1d6359a4093df79f2b5de8960bec843fb9a6d6f0b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5a5c3da050a3d36d3d18978f34098ebb85329f4fbad02de700af01d60a087fe
[INFO] running `Command { std: "docker" "start" "-a" "e5a5c3da050a3d36d3d18978f34098ebb85329f4fbad02de700af01d60a087fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling clap v4.5.21
[INFO] [stderr]    Compiling digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `outputs`
[INFO] [stdout]   --> src/infer.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let outputs = nn.query();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_input_filename`
[INFO] [stdout]  --> src/infer.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_input_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `png_input_filename`
[INFO] [stdout]  --> src/infer.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_png_input_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `processor`
[INFO] [stdout]  --> src/infer.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/neural_network.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn from_model(model: Model) -> Self {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nn`
[INFO] [stdout]  --> src/test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let nn = NeuralNetwork::from_model(model);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_input_filename`
[INFO] [stdout]  --> src/test.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test(mnist_test_data_csv_filename: &str, model_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_input_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `processor`
[INFO] [stdout]  --> src/test.rs:4:73
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test(mnist_test_data_csv_filename: &str, model_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/train.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     for e in 0..num_training_epochs {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_output_filename`
[INFO] [stdout]   --> src/train.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     model_output_filename: &str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_output_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `processor`
[INFO] [stdout]   --> src/train.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     processor: Processor) -> Result<(), Error> {
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_nodes`, `hidden_nodes`, `output_nodes`, and `learning_rate` are never read
[INFO] [stdout]   --> src/neural_network.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct NeuralNetwork {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 8  |     input_nodes: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 9  |     hidden_nodes: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     output_nodes: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     learning_rate: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "e5a5c3da050a3d36d3d18978f34098ebb85329f4fbad02de700af01d60a087fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a5c3da050a3d36d3d18978f34098ebb85329f4fbad02de700af01d60a087fe", kill_on_drop: false }`
[INFO] [stdout] e5a5c3da050a3d36d3d18978f34098ebb85329f4fbad02de700af01d60a087fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e137473ea16d0f9ef8b58847f2a6ccc85f6ca2372892aea15f426f09e5138999
[INFO] running `Command { std: "docker" "start" "-a" "e137473ea16d0f9ef8b58847f2a6ccc85f6ca2372892aea15f426f09e5138999", kill_on_drop: false }`
[INFO] [stderr]    Compiling digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `outputs`
[INFO] [stdout]   --> src/infer.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let outputs = nn.query();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_input_filename`
[INFO] [stdout]  --> src/infer.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_input_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `png_input_filename`
[INFO] [stdout]  --> src/infer.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_png_input_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `processor`
[INFO] [stdout]  --> src/infer.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/neural_network.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn from_model(model: Model) -> Self {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nn`
[INFO] [stdout]  --> src/test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let nn = NeuralNetwork::from_model(model);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_input_filename`
[INFO] [stdout]  --> src/test.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test(mnist_test_data_csv_filename: &str, model_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_input_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `processor`
[INFO] [stdout]  --> src/test.rs:4:73
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test(mnist_test_data_csv_filename: &str, model_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stdout]   |                                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/train.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     for e in 0..num_training_epochs {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_output_filename`
[INFO] [stdout]   --> src/train.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     model_output_filename: &str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_output_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `processor`
[INFO] [stdout]   --> src/train.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     processor: Processor) -> Result<(), Error> {
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_nodes`, `hidden_nodes`, `output_nodes`, and `learning_rate` are never read
[INFO] [stdout]   --> src/neural_network.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct NeuralNetwork {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 8  |     input_nodes: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 9  |     hidden_nodes: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     output_nodes: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     learning_rate: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "e137473ea16d0f9ef8b58847f2a6ccc85f6ca2372892aea15f426f09e5138999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e137473ea16d0f9ef8b58847f2a6ccc85f6ca2372892aea15f426f09e5138999", kill_on_drop: false }`
[INFO] [stdout] e137473ea16d0f9ef8b58847f2a6ccc85f6ca2372892aea15f426f09e5138999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c7c4b33c59e380fa712146d9ee46898e4baf34dd557276543238bf3a6b8edb7
[INFO] running `Command { std: "docker" "start" "-a" "1c7c4b33c59e380fa712146d9ee46898e4baf34dd557276543238bf3a6b8edb7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `outputs`
[INFO] [stderr]   --> src/infer.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let outputs = nn.query();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model_input_filename`
[INFO] [stderr]  --> src/infer.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_input_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `png_input_filename`
[INFO] [stderr]  --> src/infer.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_png_input_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `processor`
[INFO] [stderr]  --> src/infer.rs:4:64
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn infer(model_input_filename: &str, png_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stderr]   |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model`
[INFO] [stderr]   --> src/neural_network.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn from_model(model: Model) -> Self {
[INFO] [stderr]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nn`
[INFO] [stderr]  --> src/test.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let nn = NeuralNetwork::from_model(model);
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model_input_filename`
[INFO] [stderr]  --> src/test.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn test(mnist_test_data_csv_filename: &str, model_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_input_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `processor`
[INFO] [stderr]  --> src/test.rs:4:73
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn test(mnist_test_data_csv_filename: &str, model_input_filename: &str, processor: Processor) -> Result<(), Error> {
[INFO] [stderr]   |                                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/train.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     for e in 0..num_training_epochs {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model_output_filename`
[INFO] [stderr]   --> src/train.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     model_output_filename: &str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_output_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `processor`
[INFO] [stderr]   --> src/train.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     processor: Processor) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `input_nodes`, `hidden_nodes`, `output_nodes`, and `learning_rate` are never read
[INFO] [stderr]   --> src/neural_network.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 7  | struct NeuralNetwork {
[INFO] [stderr]    |        ------------- fields in this struct
[INFO] [stderr] 8  |     input_nodes: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 9  |     hidden_nodes: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 10 |     output_nodes: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 11 |     learning_rate: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `digits` (bin "digits" test) generated 12 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/digits-f8a4b48b1a705e77)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c7c4b33c59e380fa712146d9ee46898e4baf34dd557276543238bf3a6b8edb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c7c4b33c59e380fa712146d9ee46898e4baf34dd557276543238bf3a6b8edb7", kill_on_drop: false }`
[INFO] [stdout] 1c7c4b33c59e380fa712146d9ee46898e4baf34dd557276543238bf3a6b8edb7