Oct 12 21:21:17.511 INFO checking fudini/neurust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:21:17.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 21:21:17.955 INFO blam! fc3b8833dcdd9157bcac13468135f332fbc8903c40c4bd3ffb94278a4a10d164
Oct 12 21:21:17.957 INFO running `"docker" "start" "-a" "fc3b8833dcdd9157bcac13468135f332fbc8903c40c4bd3ffb94278a4a10d164"`
Oct 12 21:21:19.132 INFO kablam! usermod: no changes
Oct 12 21:21:19.195 INFO kablam!     Checking neurust v0.1.0 (/source)
Oct 12 21:21:20.157 INFO kablam! warning: unused import: `Neuron`
Oct 12 21:21:20.157 INFO kablam!  --> src/main.rs:9:30
Oct 12 21:21:20.157 INFO kablam!   |
Oct 12 21:21:20.157 INFO kablam! 9 | use neural::{ NeuralNetwork, Neuron };
Oct 12 21:21:20.157 INFO kablam!   |                              ^^^^^^
Oct 12 21:21:20.157 INFO kablam!   |
Oct 12 21:21:20.157 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 21:21:20.157 INFO kablam! 
Oct 12 21:21:20.238 INFO kablam! warning: unused import: `Neuron`
Oct 12 21:21:20.238 INFO kablam!  --> src/main.rs:9:30
Oct 12 21:21:20.238 INFO kablam!   |
Oct 12 21:21:20.238 INFO kablam! 9 | use neural::{ NeuralNetwork, Neuron };
Oct 12 21:21:20.238 INFO kablam!   |                              ^^^^^^
Oct 12 21:21:20.238 INFO kablam!   |
Oct 12 21:21:20.238 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 21:21:20.238 INFO kablam! 
Oct 12 21:21:20.359 INFO kablam! warning: value assigned to `error` is never read
Oct 12 21:21:20.360 INFO kablam!   --> src/main.rs:36:13
Oct 12 21:21:20.360 INFO kablam!    |
Oct 12 21:21:20.361 INFO kablam! 36 |     let mut error = 0.0;
Oct 12 21:21:20.361 INFO kablam!    |             ^^^^^
Oct 12 21:21:20.361 INFO kablam!    |
Oct 12 21:21:20.362 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 21:21:20.362 INFO kablam! 
Oct 12 21:21:20.449 INFO kablam! warning: struct is never constructed: `Data`
Oct 12 21:21:20.451 INFO kablam!   --> src/neural.rs:36:1
Oct 12 21:21:20.451 INFO kablam!    |
Oct 12 21:21:20.452 INFO kablam! 36 | pub struct Data {
Oct 12 21:21:20.452 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 12 21:21:20.453 INFO kablam!    |
Oct 12 21:21:20.453 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:21:20.453 INFO kablam! 
Oct 12 21:21:20.454 INFO kablam! warning: method is never used: `with_layers`
Oct 12 21:21:20.454 INFO kablam!    --> src/neural.rs:128:5
Oct 12 21:21:20.454 INFO kablam!     |
Oct 12 21:21:20.455 INFO kablam! 128 | /     pub fn with_layers(
Oct 12 21:21:20.455 INFO kablam! 129 | |             layers: Vec<Vec<RefCell<Neuron>>>,
Oct 12 21:21:20.455 INFO kablam! 130 | |             learning_rate: f64,
Oct 12 21:21:20.456 INFO kablam! 131 | |             activation_fn: ActivationFn,
Oct 12 21:21:20.457 INFO kablam! ...   |
Oct 12 21:21:20.457 INFO kablam! 144 | |         }
Oct 12 21:21:20.458 INFO kablam! 145 | |     }
Oct 12 21:21:20.458 INFO kablam!     | |_____^
Oct 12 21:21:20.458 INFO kablam! 
Oct 12 21:21:20.459 INFO kablam! warning: method is never used: `import`
Oct 12 21:21:20.459 INFO kablam!    --> src/neural.rs:180:5
Oct 12 21:21:20.459 INFO kablam!     |
Oct 12 21:21:20.459 INFO kablam! 180 |     pub fn import(data: Data) -> NeuralNetwork {
Oct 12 21:21:20.460 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.460 INFO kablam! 
Oct 12 21:21:20.461 INFO kablam! warning: method is never used: `export`
Oct 12 21:21:20.461 INFO kablam!    --> src/neural.rs:198:5
Oct 12 21:21:20.461 INFO kablam!     |
Oct 12 21:21:20.461 INFO kablam! 198 |     pub fn export(&self) -> Data { 
Oct 12 21:21:20.462 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.462 INFO kablam! 
Oct 12 21:21:20.462 INFO kablam! warning: function is never used: `render_digit`
Oct 12 21:21:20.463 INFO kablam!    --> src/mnist.rs:136:1
Oct 12 21:21:20.463 INFO kablam!     |
Oct 12 21:21:20.463 INFO kablam! 136 | pub fn render_digit(pixels: &Vec<f64>) {
Oct 12 21:21:20.463 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.464 INFO kablam! 
Oct 12 21:21:20.464 INFO kablam! warning: function is never used: `tanh_activation`
Oct 12 21:21:20.464 INFO kablam!   --> src/functions.rs:16:5
Oct 12 21:21:20.465 INFO kablam!    |
Oct 12 21:21:20.465 INFO kablam! 16 |     fn tanh_activation(x: f64) -> f64 {
Oct 12 21:21:20.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.465 INFO kablam! 
Oct 12 21:21:20.466 INFO kablam! warning: function is never used: `tanh_derivative`
Oct 12 21:21:20.466 INFO kablam!   --> src/functions.rs:20:5
Oct 12 21:21:20.466 INFO kablam!    |
Oct 12 21:21:20.467 INFO kablam! 20 |     fn tanh_derivative(o: f64) -> f64 {
Oct 12 21:21:20.467 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.467 INFO kablam! 
Oct 12 21:21:20.468 INFO kablam! warning: static item is never used: `TANH`
Oct 12 21:21:20.468 INFO kablam!   --> src/functions.rs:26:5
Oct 12 21:21:20.468 INFO kablam!    |
Oct 12 21:21:20.469 INFO kablam! 26 |     pub static TANH: ActivationFn = (tanh_activation, tanh_derivative);
Oct 12 21:21:20.469 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.469 INFO kablam! 
Oct 12 21:21:20.469 INFO kablam! warning: function is never used: `run_xor`
Oct 12 21:21:20.470 INFO kablam!   --> src/main.rs:88:1
Oct 12 21:21:20.470 INFO kablam!    |
Oct 12 21:21:20.470 INFO kablam! 88 | fn run_xor () {
Oct 12 21:21:20.471 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 21:21:20.471 INFO kablam! 
Oct 12 21:21:20.471 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:21:20.472 INFO kablam!   --> src/mnist.rs:34:5
Oct 12 21:21:20.472 INFO kablam!    |
Oct 12 21:21:20.472 INFO kablam! 34 |     file.read_exact(&mut buffer);
Oct 12 21:21:20.472 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.473 INFO kablam!    |
Oct 12 21:21:20.473 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:21:20.473 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:21:20.474 INFO kablam! 
Oct 12 21:21:20.474 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:21:20.474 INFO kablam!   --> src/mnist.rs:89:9
Oct 12 21:21:20.474 INFO kablam!    |
Oct 12 21:21:20.475 INFO kablam! 89 |         images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64));
Oct 12 21:21:20.475 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.475 INFO kablam!    |
Oct 12 21:21:20.475 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:21:20.476 INFO kablam! 
Oct 12 21:21:20.476 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:21:20.476 INFO kablam!   --> src/mnist.rs:93:9
Oct 12 21:21:20.476 INFO kablam!    |
Oct 12 21:21:20.477 INFO kablam! 93 |         labels_reader.seek(SeekFrom::Start(8 + i as u64));
Oct 12 21:21:20.477 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.477 INFO kablam!    |
Oct 12 21:21:20.477 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:21:20.478 INFO kablam! 
Oct 12 21:21:20.513 INFO kablam! warning: value assigned to `error` is never read
Oct 12 21:21:20.516 INFO kablam!   --> src/main.rs:36:13
Oct 12 21:21:20.516 INFO kablam!    |
Oct 12 21:21:20.516 INFO kablam! 36 |     let mut error = 0.0;
Oct 12 21:21:20.516 INFO kablam!    |             ^^^^^
Oct 12 21:21:20.516 INFO kablam!    |
Oct 12 21:21:20.516 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 21:21:20.516 INFO kablam! 
Oct 12 21:21:20.612 INFO kablam! warning: struct is never constructed: `Data`
Oct 12 21:21:20.613 INFO kablam!   --> src/neural.rs:36:1
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 36 | pub struct Data {
Oct 12 21:21:20.613 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: method is never used: `import`
Oct 12 21:21:20.613 INFO kablam!    --> src/neural.rs:180:5
Oct 12 21:21:20.613 INFO kablam!     |
Oct 12 21:21:20.613 INFO kablam! 180 |     pub fn import(data: Data) -> NeuralNetwork {
Oct 12 21:21:20.613 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: method is never used: `export`
Oct 12 21:21:20.613 INFO kablam!    --> src/neural.rs:198:5
Oct 12 21:21:20.613 INFO kablam!     |
Oct 12 21:21:20.613 INFO kablam! 198 |     pub fn export(&self) -> Data { 
Oct 12 21:21:20.613 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: function is never used: `render_digit`
Oct 12 21:21:20.613 INFO kablam!    --> src/mnist.rs:136:1
Oct 12 21:21:20.613 INFO kablam!     |
Oct 12 21:21:20.613 INFO kablam! 136 | pub fn render_digit(pixels: &Vec<f64>) {
Oct 12 21:21:20.613 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: function is never used: `tanh_activation`
Oct 12 21:21:20.613 INFO kablam!   --> src/functions.rs:16:5
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 16 |     fn tanh_activation(x: f64) -> f64 {
Oct 12 21:21:20.613 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: function is never used: `tanh_derivative`
Oct 12 21:21:20.613 INFO kablam!   --> src/functions.rs:20:5
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 20 |     fn tanh_derivative(o: f64) -> f64 {
Oct 12 21:21:20.613 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: static item is never used: `TANH`
Oct 12 21:21:20.613 INFO kablam!   --> src/functions.rs:26:5
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 26 |     pub static TANH: ActivationFn = (tanh_activation, tanh_derivative);
Oct 12 21:21:20.613 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: function is never used: `run_xor`
Oct 12 21:21:20.613 INFO kablam!   --> src/main.rs:88:1
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 88 | fn run_xor () {
Oct 12 21:21:20.613 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:21:20.613 INFO kablam!   --> src/mnist.rs:34:5
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 34 |     file.read_exact(&mut buffer);
Oct 12 21:21:20.613 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:21:20.613 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:21:20.613 INFO kablam!   --> src/mnist.rs:89:9
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 89 |         images_reader.seek(SeekFrom::Start(16 + (i * image_size) as u64));
Oct 12 21:21:20.613 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.613 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:21:20.613 INFO kablam!   --> src/mnist.rs:93:9
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam! 93 |         labels_reader.seek(SeekFrom::Start(8 + i as u64));
Oct 12 21:21:20.613 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:20.613 INFO kablam!    |
Oct 12 21:21:20.613 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:21:20.613 INFO kablam! 
Oct 12 21:21:20.633 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Oct 12 21:21:20.633 INFO kablam! su: No module specific data is present
Oct 12 21:21:21.057 INFO running `"docker" "rm" "-f" "fc3b8833dcdd9157bcac13468135f332fbc8903c40c4bd3ffb94278a4a10d164"`
Oct 12 21:21:21.200 INFO blam! fc3b8833dcdd9157bcac13468135f332fbc8903c40c4bd3ffb94278a4a10d164