Oct 27 04:31:00.217 INFO checking fudini/neurust against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 04:31:00.219 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 04:31:00.635 INFO blam! 87b27c08e6af10d6db61e2f6214e42dc268df1f125a7426b1b5933587f2fe00f
Oct 27 04:31:00.643 INFO running `"docker" "start" "-a" "87b27c08e6af10d6db61e2f6214e42dc268df1f125a7426b1b5933587f2fe00f"`
Oct 27 04:31:01.180 INFO kablam! usermod: no changes
Oct 27 04:31:01.239 INFO kablam!     Checking neurust v0.1.0 (/source)
Oct 27 04:31:02.360 INFO kablam! warning: unused import: `Neuron`
Oct 27 04:31:02.360 INFO kablam!  --> src/main.rs:9:30
Oct 27 04:31:02.361 INFO kablam!   |
Oct 27 04:31:02.361 INFO kablam! 9 | use neural::{ NeuralNetwork, Neuron };
Oct 27 04:31:02.361 INFO kablam!   |                              ^^^^^^
Oct 27 04:31:02.362 INFO kablam!   |
Oct 27 04:31:02.362 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 04:31:02.362 INFO kablam! 
Oct 27 04:31:02.487 INFO kablam! warning: unused import: `Neuron`
Oct 27 04:31:02.487 INFO kablam!  --> src/main.rs:9:30
Oct 27 04:31:02.487 INFO kablam!   |
Oct 27 04:31:02.487 INFO kablam! 9 | use neural::{ NeuralNetwork, Neuron };
Oct 27 04:31:02.487 INFO kablam!   |                              ^^^^^^
Oct 27 04:31:02.487 INFO kablam!   |
Oct 27 04:31:02.487 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 04:31:02.487 INFO kablam! 
Oct 27 04:31:02.631 INFO kablam! warning: value assigned to `error` is never read
Oct 27 04:31:02.631 INFO kablam!   --> src/main.rs:36:13
Oct 27 04:31:02.631 INFO kablam!    |
Oct 27 04:31:02.631 INFO kablam! 36 |     let mut error = 0.0;
Oct 27 04:31:02.631 INFO kablam!    |             ^^^^^
Oct 27 04:31:02.631 INFO kablam!    |
Oct 27 04:31:02.631 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 04:31:02.631 INFO kablam! 
Oct 27 04:31:02.643 INFO kablam! warning: value assigned to `error` is never read
Oct 27 04:31:02.643 INFO kablam!   --> src/main.rs:36:13
Oct 27 04:31:02.643 INFO kablam!    |
Oct 27 04:31:02.643 INFO kablam! 36 |     let mut error = 0.0;
Oct 27 04:31:02.643 INFO kablam!    |             ^^^^^
Oct 27 04:31:02.643 INFO kablam!    |
Oct 27 04:31:02.643 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 04:31:02.644 INFO kablam! 
Oct 27 04:31:02.687 INFO kablam! warning: struct is never constructed: `Data`
Oct 27 04:31:02.687 INFO kablam!   --> src/neural.rs:36:1
Oct 27 04:31:02.687 INFO kablam!    |
Oct 27 04:31:02.687 INFO kablam! 36 | pub struct Data {
Oct 27 04:31:02.687 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 27 04:31:02.687 INFO kablam!    |
Oct 27 04:31:02.687 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 04:31:02.687 INFO kablam! 
Oct 27 04:31:02.687 INFO kablam! warning: method is never used: `import`
Oct 27 04:31:02.687 INFO kablam!    --> src/neural.rs:180:5
Oct 27 04:31:02.687 INFO kablam!     |
Oct 27 04:31:02.687 INFO kablam! 180 |     pub fn import(data: Data) -> NeuralNetwork {
Oct 27 04:31:02.688 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: method is never used: `export`
Oct 27 04:31:02.688 INFO kablam!    --> src/neural.rs:198:5
Oct 27 04:31:02.688 INFO kablam!     |
Oct 27 04:31:02.688 INFO kablam! 198 |     pub fn export(&self) -> Data { 
Oct 27 04:31:02.688 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: function is never used: `render_digit`
Oct 27 04:31:02.688 INFO kablam!    --> src/mnist.rs:136:1
Oct 27 04:31:02.688 INFO kablam!     |
Oct 27 04:31:02.688 INFO kablam! 136 | pub fn render_digit(pixels: &Vec<f64>) {
Oct 27 04:31:02.688 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: function is never used: `tanh_activation`
Oct 27 04:31:02.688 INFO kablam!   --> src/functions.rs:16:5
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam! 16 |     fn tanh_activation(x: f64) -> f64 {
Oct 27 04:31:02.688 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: function is never used: `tanh_derivative`
Oct 27 04:31:02.688 INFO kablam!   --> src/functions.rs:20:5
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam! 20 |     fn tanh_derivative(o: f64) -> f64 {
Oct 27 04:31:02.688 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: static item is never used: `TANH`
Oct 27 04:31:02.688 INFO kablam!   --> src/functions.rs:26:5
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam! 26 |     pub static TANH: ActivationFn = (tanh_activation, tanh_derivative);
Oct 27 04:31:02.688 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: function is never used: `run_xor`
Oct 27 04:31:02.688 INFO kablam!   --> src/main.rs:88:1
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam! 88 | fn run_xor () {
Oct 27 04:31:02.688 INFO kablam!    | ^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 04:31:02.688 INFO kablam!   --> src/mnist.rs:34:5
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam! 34 |     file.read_exact(&mut buffer);
Oct 27 04:31:02.688 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 04:31:02.688 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 04:31:02.688 INFO kablam!   --> src/mnist.rs:89:9
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam! 89 |         images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64));
Oct 27 04:31:02.688 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.688 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 04:31:02.688 INFO kablam!   --> src/mnist.rs:93:9
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam! 93 |         labels_reader.seek(SeekFrom::Start(8 + i as u64));
Oct 27 04:31:02.688 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.688 INFO kablam!    |
Oct 27 04:31:02.688 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 04:31:02.688 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: struct is never constructed: `Data`
Oct 27 04:31:02.699 INFO kablam!   --> src/neural.rs:36:1
Oct 27 04:31:02.699 INFO kablam!    |
Oct 27 04:31:02.699 INFO kablam! 36 | pub struct Data {
Oct 27 04:31:02.699 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam!    |
Oct 27 04:31:02.699 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: method is never used: `with_layers`
Oct 27 04:31:02.699 INFO kablam!    --> src/neural.rs:128:5
Oct 27 04:31:02.699 INFO kablam!     |
Oct 27 04:31:02.699 INFO kablam! 128 | /     pub fn with_layers(
Oct 27 04:31:02.699 INFO kablam! 129 | |             layers: Vec<Vec<RefCell<Neuron>>>,
Oct 27 04:31:02.699 INFO kablam! 130 | |             learning_rate: f64,
Oct 27 04:31:02.699 INFO kablam! 131 | |             activation_fn: ActivationFn,
Oct 27 04:31:02.699 INFO kablam! ...   |
Oct 27 04:31:02.699 INFO kablam! 144 | |         }
Oct 27 04:31:02.699 INFO kablam! 145 | |     }
Oct 27 04:31:02.699 INFO kablam!     | |_____^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: method is never used: `import`
Oct 27 04:31:02.699 INFO kablam!    --> src/neural.rs:180:5
Oct 27 04:31:02.699 INFO kablam!     |
Oct 27 04:31:02.699 INFO kablam! 180 |     pub fn import(data: Data) -> NeuralNetwork {
Oct 27 04:31:02.699 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: method is never used: `export`
Oct 27 04:31:02.699 INFO kablam!    --> src/neural.rs:198:5
Oct 27 04:31:02.699 INFO kablam!     |
Oct 27 04:31:02.699 INFO kablam! 198 |     pub fn export(&self) -> Data { 
Oct 27 04:31:02.699 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: function is never used: `render_digit`
Oct 27 04:31:02.699 INFO kablam!    --> src/mnist.rs:136:1
Oct 27 04:31:02.699 INFO kablam!     |
Oct 27 04:31:02.699 INFO kablam! 136 | pub fn render_digit(pixels: &Vec<f64>) {
Oct 27 04:31:02.699 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: function is never used: `tanh_activation`
Oct 27 04:31:02.699 INFO kablam!   --> src/functions.rs:16:5
Oct 27 04:31:02.699 INFO kablam!    |
Oct 27 04:31:02.699 INFO kablam! 16 |     fn tanh_activation(x: f64) -> f64 {
Oct 27 04:31:02.699 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: function is never used: `tanh_derivative`
Oct 27 04:31:02.699 INFO kablam!   --> src/functions.rs:20:5
Oct 27 04:31:02.699 INFO kablam!    |
Oct 27 04:31:02.699 INFO kablam! 20 |     fn tanh_derivative(o: f64) -> f64 {
Oct 27 04:31:02.699 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: static item is never used: `TANH`
Oct 27 04:31:02.699 INFO kablam!   --> src/functions.rs:26:5
Oct 27 04:31:02.699 INFO kablam!    |
Oct 27 04:31:02.699 INFO kablam! 26 |     pub static TANH: ActivationFn = (tanh_activation, tanh_derivative);
Oct 27 04:31:02.699 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.699 INFO kablam! warning: function is never used: `run_xor`
Oct 27 04:31:02.699 INFO kablam!   --> src/main.rs:88:1
Oct 27 04:31:02.699 INFO kablam!    |
Oct 27 04:31:02.699 INFO kablam! 88 | fn run_xor () {
Oct 27 04:31:02.699 INFO kablam!    | ^^^^^^^^^^^^^
Oct 27 04:31:02.699 INFO kablam! 
Oct 27 04:31:02.701 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 04:31:02.701 INFO kablam!   --> src/mnist.rs:34:5
Oct 27 04:31:02.701 INFO kablam!    |
Oct 27 04:31:02.701 INFO kablam! 34 |     file.read_exact(&mut buffer);
Oct 27 04:31:02.701 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.701 INFO kablam!    |
Oct 27 04:31:02.701 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 04:31:02.701 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 04:31:02.701 INFO kablam! 
Oct 27 04:31:02.701 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 04:31:02.701 INFO kablam!   --> src/mnist.rs:89:9
Oct 27 04:31:02.701 INFO kablam!    |
Oct 27 04:31:02.701 INFO kablam! 89 |         images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64));
Oct 27 04:31:02.701 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.701 INFO kablam!    |
Oct 27 04:31:02.701 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 04:31:02.701 INFO kablam! 
Oct 27 04:31:02.701 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 04:31:02.701 INFO kablam!   --> src/mnist.rs:93:9
Oct 27 04:31:02.701 INFO kablam!    |
Oct 27 04:31:02.701 INFO kablam! 93 |         labels_reader.seek(SeekFrom::Start(8 + i as u64));
Oct 27 04:31:02.701 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:31:02.701 INFO kablam!    |
Oct 27 04:31:02.701 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 04:31:02.701 INFO kablam! 
Oct 27 04:31:02.719 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Oct 27 04:31:02.720 INFO kablam! su: No module specific data is present
Oct 27 04:31:03.212 INFO running `"docker" "rm" "-f" "87b27c08e6af10d6db61e2f6214e42dc268df1f125a7426b1b5933587f2fe00f"`
Oct 27 04:31:03.327 INFO blam! 87b27c08e6af10d6db61e2f6214e42dc268df1f125a7426b1b5933587f2fe00f