[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] checking evanmcclure/digits against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanmcclure%2Fdigits" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/evanmcclure/digits on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.7.3
[INFO] [stderr]   Downloaded clap v4.5.21
[INFO] [stderr]   Downloaded clap_builder v4.5.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac947d432b599609a39cc955a254b95e06d22c512b959555ef0aa7e43bff04c
[INFO] running `Command { std: "docker" "start" "-a" "5ac947d432b599609a39cc955a254b95e06d22c512b959555ef0aa7e43bff04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac947d432b599609a39cc955a254b95e06d22c512b959555ef0aa7e43bff04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac947d432b599609a39cc955a254b95e06d22c512b959555ef0aa7e43bff04c", kill_on_drop: false }`
[INFO] [stdout] 5ac947d432b599609a39cc955a254b95e06d22c512b959555ef0aa7e43bff04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8088e5525a098c63c8dfb81117e86f8c3be3442731f7a281e763f5f151790e72
[INFO] running `Command { std: "docker" "start" "-a" "8088e5525a098c63c8dfb81117e86f8c3be3442731f7a281e763f5f151790e72", kill_on_drop: false }`
[INFO] [stderr]     Checking colorchoice v1.0.3
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[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.21
[INFO] [stderr]     Checking csv-core v0.1.11
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[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking clap v4.5.21
[INFO] [stderr]     Checking digits v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: `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] 
[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: `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: `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_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: 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: 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)]` (part of `#[warn(unused)]`) 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]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: `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] 
[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: `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: `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_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: 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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "8088e5525a098c63c8dfb81117e86f8c3be3442731f7a281e763f5f151790e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8088e5525a098c63c8dfb81117e86f8c3be3442731f7a281e763f5f151790e72", kill_on_drop: false }`
[INFO] [stdout] 8088e5525a098c63c8dfb81117e86f8c3be3442731f7a281e763f5f151790e72
