[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#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanmcclure%2Fdigits" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/evanmcclure/digits on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "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-4-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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a423fbbecd6bb11823230df59e2603b265726b05e0c25857b9ea7a277b6fed66 [INFO] running `Command { std: "docker" "start" "-a" "a423fbbecd6bb11823230df59e2603b265726b05e0c25857b9ea7a277b6fed66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a423fbbecd6bb11823230df59e2603b265726b05e0c25857b9ea7a277b6fed66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a423fbbecd6bb11823230df59e2603b265726b05e0c25857b9ea7a277b6fed66", kill_on_drop: false }` [INFO] [stdout] a423fbbecd6bb11823230df59e2603b265726b05e0c25857b9ea7a277b6fed66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12bb65ca64c4418fd9b07337f52d19cd43ba8fc2cbfb66bcab8b711917e1cbf4 [INFO] running `Command { std: "docker" "start" "-a" "12bb65ca64c4418fd9b07337f52d19cd43ba8fc2cbfb66bcab8b711917e1cbf4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Checking anstyle-query v1.1.2 [INFO] [stderr] Checking colorchoice v1.0.3 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking clap_lex v0.7.3 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking itoa v1.0.14 [INFO] [stderr] Checking anstyle-parse v0.2.6 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Checking clap_builder v4.5.21 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.89 [INFO] [stderr] Checking csv v1.3.1 [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: `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: `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: `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_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: `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: `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: 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] [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 4.25s [INFO] running `Command { std: "docker" "inspect" "12bb65ca64c4418fd9b07337f52d19cd43ba8fc2cbfb66bcab8b711917e1cbf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12bb65ca64c4418fd9b07337f52d19cd43ba8fc2cbfb66bcab8b711917e1cbf4", kill_on_drop: false }` [INFO] [stdout] 12bb65ca64c4418fd9b07337f52d19cd43ba8fc2cbfb66bcab8b711917e1cbf4