Nov 28 05:07:17.367 INFO checking fudini/neurust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 05:07:17.367 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 05:07:17.627 INFO [stdout] c89c8e0e91a55f1c5051b96744d933ba115b2b6047474aa91b104dadcb9eaf8d
Nov 28 05:07:17.634 INFO running `"docker" "start" "-a" "c89c8e0e91a55f1c5051b96744d933ba115b2b6047474aa91b104dadcb9eaf8d"`
Nov 28 05:07:18.281 INFO [stderr] usermod: no changes
Nov 28 05:07:18.330 INFO [stderr]     Checking neurust v0.1.0 (/source)
Nov 28 05:07:19.105 INFO [stderr] warning: unused import: `Neuron`
Nov 28 05:07:19.106 INFO [stderr]  --> src/main.rs:9:30
Nov 28 05:07:19.106 INFO [stderr]   |
Nov 28 05:07:19.106 INFO [stderr] 9 | use neural::{ NeuralNetwork, Neuron };
Nov 28 05:07:19.106 INFO [stderr]   |                              ^^^^^^
Nov 28 05:07:19.106 INFO [stderr]   |
Nov 28 05:07:19.106 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 05:07:19.106 INFO [stderr] 
Nov 28 05:07:19.168 INFO [stderr] warning: unused import: `Neuron`
Nov 28 05:07:19.168 INFO [stderr]  --> src/main.rs:9:30
Nov 28 05:07:19.168 INFO [stderr]   |
Nov 28 05:07:19.168 INFO [stderr] 9 | use neural::{ NeuralNetwork, Neuron };
Nov 28 05:07:19.168 INFO [stderr]   |                              ^^^^^^
Nov 28 05:07:19.168 INFO [stderr]   |
Nov 28 05:07:19.168 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 05:07:19.168 INFO [stderr] 
Nov 28 05:07:19.287 INFO [stderr] warning: value assigned to `error` is never read
Nov 28 05:07:19.287 INFO [stderr]   --> src/main.rs:36:13
Nov 28 05:07:19.288 INFO [stderr]    |
Nov 28 05:07:19.288 INFO [stderr] 36 |     let mut error = 0.0;
Nov 28 05:07:19.288 INFO [stderr]    |             ^^^^^
Nov 28 05:07:19.289 INFO [stderr]    |
Nov 28 05:07:19.289 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 05:07:19.289 INFO [stderr] 
Nov 28 05:07:19.349 INFO [stderr] warning: value assigned to `error` is never read
Nov 28 05:07:19.349 INFO [stderr]   --> src/main.rs:36:13
Nov 28 05:07:19.349 INFO [stderr]    |
Nov 28 05:07:19.349 INFO [stderr] 36 |     let mut error = 0.0;
Nov 28 05:07:19.350 INFO [stderr]    |             ^^^^^
Nov 28 05:07:19.350 INFO [stderr]    |
Nov 28 05:07:19.350 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 05:07:19.350 INFO [stderr] 
Nov 28 05:07:19.393 INFO [stderr] warning: struct is never constructed: `Data`
Nov 28 05:07:19.393 INFO [stderr]   --> src/neural.rs:36:1
Nov 28 05:07:19.394 INFO [stderr]    |
Nov 28 05:07:19.394 INFO [stderr] 36 | pub struct Data {
Nov 28 05:07:19.394 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 28 05:07:19.394 INFO [stderr]    |
Nov 28 05:07:19.395 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 05:07:19.395 INFO [stderr] 
Nov 28 05:07:19.395 INFO [stderr] warning: method is never used: `with_layers`
Nov 28 05:07:19.396 INFO [stderr]    --> src/neural.rs:128:5
Nov 28 05:07:19.396 INFO [stderr]     |
Nov 28 05:07:19.396 INFO [stderr] 128 | /     pub fn with_layers(
Nov 28 05:07:19.396 INFO [stderr] 129 | |             layers: Vec<Vec<RefCell<Neuron>>>,
Nov 28 05:07:19.397 INFO [stderr] 130 | |             learning_rate: f64,
Nov 28 05:07:19.397 INFO [stderr] 131 | |             activation_fn: ActivationFn,
Nov 28 05:07:19.397 INFO [stderr] ...   |
Nov 28 05:07:19.398 INFO [stderr] 144 | |         }
Nov 28 05:07:19.398 INFO [stderr] 145 | |     }
Nov 28 05:07:19.398 INFO [stderr]     | |_____^
Nov 28 05:07:19.398 INFO [stderr] 
Nov 28 05:07:19.399 INFO [stderr] warning: method is never used: `import`
Nov 28 05:07:19.399 INFO [stderr]    --> src/neural.rs:180:5
Nov 28 05:07:19.399 INFO [stderr]     |
Nov 28 05:07:19.400 INFO [stderr] 180 |     pub fn import(data: Data) -> NeuralNetwork {
Nov 28 05:07:19.400 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.400 INFO [stderr] 
Nov 28 05:07:19.400 INFO [stderr] warning: method is never used: `export`
Nov 28 05:07:19.401 INFO [stderr]    --> src/neural.rs:198:5
Nov 28 05:07:19.401 INFO [stderr]     |
Nov 28 05:07:19.401 INFO [stderr] 198 |     pub fn export(&self) -> Data { 
Nov 28 05:07:19.401 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.402 INFO [stderr] 
Nov 28 05:07:19.402 INFO [stderr] warning: function is never used: `render_digit`
Nov 28 05:07:19.402 INFO [stderr]    --> src/mnist.rs:136:1
Nov 28 05:07:19.403 INFO [stderr]     |
Nov 28 05:07:19.403 INFO [stderr] 136 | pub fn render_digit(pixels: &Vec<f64>) {
Nov 28 05:07:19.403 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.403 INFO [stderr] 
Nov 28 05:07:19.404 INFO [stderr] warning: function is never used: `tanh_activation`
Nov 28 05:07:19.404 INFO [stderr]   --> src/functions.rs:16:5
Nov 28 05:07:19.404 INFO [stderr]    |
Nov 28 05:07:19.404 INFO [stderr] 16 |     fn tanh_activation(x: f64) -> f64 {
Nov 28 05:07:19.405 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.405 INFO [stderr] 
Nov 28 05:07:19.405 INFO [stderr] warning: function is never used: `tanh_derivative`
Nov 28 05:07:19.405 INFO [stderr]   --> src/functions.rs:20:5
Nov 28 05:07:19.405 INFO [stderr]    |
Nov 28 05:07:19.405 INFO [stderr] 20 |     fn tanh_derivative(o: f64) -> f64 {
Nov 28 05:07:19.406 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.406 INFO [stderr] 
Nov 28 05:07:19.406 INFO [stderr] warning: static item is never used: `TANH`
Nov 28 05:07:19.406 INFO [stderr]   --> src/functions.rs:26:5
Nov 28 05:07:19.406 INFO [stderr]    |
Nov 28 05:07:19.406 INFO [stderr] 26 |     pub static TANH: ActivationFn = (tanh_activation, tanh_derivative);
Nov 28 05:07:19.406 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.407 INFO [stderr] 
Nov 28 05:07:19.407 INFO [stderr] warning: function is never used: `run_xor`
Nov 28 05:07:19.407 INFO [stderr]   --> src/main.rs:88:1
Nov 28 05:07:19.407 INFO [stderr]    |
Nov 28 05:07:19.407 INFO [stderr] 88 | fn run_xor () {
Nov 28 05:07:19.407 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 28 05:07:19.407 INFO [stderr] 
Nov 28 05:07:19.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:07:19.408 INFO [stderr]   --> src/mnist.rs:34:5
Nov 28 05:07:19.408 INFO [stderr]    |
Nov 28 05:07:19.408 INFO [stderr] 34 |     file.read_exact(&mut buffer);
Nov 28 05:07:19.408 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.408 INFO [stderr]    |
Nov 28 05:07:19.409 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 05:07:19.409 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:07:19.409 INFO [stderr] 
Nov 28 05:07:19.409 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:07:19.409 INFO [stderr]   --> src/mnist.rs:89:9
Nov 28 05:07:19.409 INFO [stderr]    |
Nov 28 05:07:19.409 INFO [stderr] 89 |         images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64));
Nov 28 05:07:19.410 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.410 INFO [stderr]    |
Nov 28 05:07:19.410 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:07:19.410 INFO [stderr] 
Nov 28 05:07:19.410 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:07:19.410 INFO [stderr]   --> src/mnist.rs:93:9
Nov 28 05:07:19.410 INFO [stderr]    |
Nov 28 05:07:19.411 INFO [stderr] 93 |         labels_reader.seek(SeekFrom::Start(8 + i as u64));
Nov 28 05:07:19.411 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.411 INFO [stderr]    |
Nov 28 05:07:19.411 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:07:19.411 INFO [stderr] 
Nov 28 05:07:19.452 INFO [stderr] warning: struct is never constructed: `Data`
Nov 28 05:07:19.453 INFO [stderr]   --> src/neural.rs:36:1
Nov 28 05:07:19.453 INFO [stderr]    |
Nov 28 05:07:19.453 INFO [stderr] 36 | pub struct Data {
Nov 28 05:07:19.453 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 28 05:07:19.453 INFO [stderr]    |
Nov 28 05:07:19.453 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 05:07:19.454 INFO [stderr] 
Nov 28 05:07:19.454 INFO [stderr] warning: method is never used: `import`
Nov 28 05:07:19.454 INFO [stderr]    --> src/neural.rs:180:5
Nov 28 05:07:19.454 INFO [stderr]     |
Nov 28 05:07:19.454 INFO [stderr] 180 |     pub fn import(data: Data) -> NeuralNetwork {
Nov 28 05:07:19.454 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.454 INFO [stderr] 
Nov 28 05:07:19.455 INFO [stderr] warning: method is never used: `export`
Nov 28 05:07:19.455 INFO [stderr]    --> src/neural.rs:198:5
Nov 28 05:07:19.455 INFO [stderr]     |
Nov 28 05:07:19.455 INFO [stderr] 198 |     pub fn export(&self) -> Data { 
Nov 28 05:07:19.455 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.455 INFO [stderr] 
Nov 28 05:07:19.456 INFO [stderr] warning: function is never used: `render_digit`
Nov 28 05:07:19.456 INFO [stderr]    --> src/mnist.rs:136:1
Nov 28 05:07:19.456 INFO [stderr]     |
Nov 28 05:07:19.456 INFO [stderr] 136 | pub fn render_digit(pixels: &Vec<f64>) {
Nov 28 05:07:19.456 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.456 INFO [stderr] 
Nov 28 05:07:19.457 INFO [stderr] warning: function is never used: `tanh_activation`
Nov 28 05:07:19.457 INFO [stderr]   --> src/functions.rs:16:5
Nov 28 05:07:19.457 INFO [stderr]    |
Nov 28 05:07:19.457 INFO [stderr] 16 |     fn tanh_activation(x: f64) -> f64 {
Nov 28 05:07:19.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.457 INFO [stderr] 
Nov 28 05:07:19.458 INFO [stderr] warning: function is never used: `tanh_derivative`
Nov 28 05:07:19.458 INFO [stderr]   --> src/functions.rs:20:5
Nov 28 05:07:19.458 INFO [stderr]    |
Nov 28 05:07:19.458 INFO [stderr] 20 |     fn tanh_derivative(o: f64) -> f64 {
Nov 28 05:07:19.458 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.458 INFO [stderr] 
Nov 28 05:07:19.458 INFO [stderr] warning: static item is never used: `TANH`
Nov 28 05:07:19.459 INFO [stderr]   --> src/functions.rs:26:5
Nov 28 05:07:19.459 INFO [stderr]    |
Nov 28 05:07:19.459 INFO [stderr] 26 |     pub static TANH: ActivationFn = (tanh_activation, tanh_derivative);
Nov 28 05:07:19.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.459 INFO [stderr] 
Nov 28 05:07:19.459 INFO [stderr] warning: function is never used: `run_xor`
Nov 28 05:07:19.459 INFO [stderr]   --> src/main.rs:88:1
Nov 28 05:07:19.460 INFO [stderr]    |
Nov 28 05:07:19.460 INFO [stderr] 88 | fn run_xor () {
Nov 28 05:07:19.460 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 28 05:07:19.460 INFO [stderr] 
Nov 28 05:07:19.465 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:07:19.466 INFO [stderr]   --> src/mnist.rs:34:5
Nov 28 05:07:19.466 INFO [stderr]    |
Nov 28 05:07:19.466 INFO [stderr] 34 |     file.read_exact(&mut buffer);
Nov 28 05:07:19.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.466 INFO [stderr]    |
Nov 28 05:07:19.466 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 05:07:19.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:07:19.466 INFO [stderr] 
Nov 28 05:07:19.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:07:19.466 INFO [stderr]   --> src/mnist.rs:89:9
Nov 28 05:07:19.466 INFO [stderr]    |
Nov 28 05:07:19.466 INFO [stderr] 89 |         images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64));
Nov 28 05:07:19.466 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.466 INFO [stderr]    |
Nov 28 05:07:19.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:07:19.466 INFO [stderr] 
Nov 28 05:07:19.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:07:19.466 INFO [stderr]   --> src/mnist.rs:93:9
Nov 28 05:07:19.466 INFO [stderr]    |
Nov 28 05:07:19.466 INFO [stderr] 93 |         labels_reader.seek(SeekFrom::Start(8 + i as u64));
Nov 28 05:07:19.466 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:07:19.466 INFO [stderr]    |
Nov 28 05:07:19.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:07:19.466 INFO [stderr] 
Nov 28 05:07:19.487 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Nov 28 05:07:19.487 INFO [stderr] su: No module specific data is present
Nov 28 05:07:20.007 INFO running `"docker" "inspect" "c89c8e0e91a55f1c5051b96744d933ba115b2b6047474aa91b104dadcb9eaf8d"`
Nov 28 05:07:20.147 INFO running `"docker" "rm" "-f" "c89c8e0e91a55f1c5051b96744d933ba115b2b6047474aa91b104dadcb9eaf8d"`
Nov 28 05:07:20.480 INFO [stdout] c89c8e0e91a55f1c5051b96744d933ba115b2b6047474aa91b104dadcb9eaf8d