Oct 12 12:05:21.686 INFO checking tkyk0317/deeplearning_by_rust against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 12:05:21.687 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12:05:22.197 INFO blam! bcf1b93992f48d1b437624e7e6e4d51496cb4092df6647691f7d091662b93841
Oct 12 12:05:22.198 INFO running `"docker" "start" "-a" "bcf1b93992f48d1b437624e7e6e4d51496cb4092df6647691f7d091662b93841"`
Oct 12 12:05:24.507 INFO kablam! usermod: no changes
Oct 12 12:05:24.636 INFO kablam!     Checking gnuplot v0.0.22
Oct 12 12:05:24.636 INFO kablam!     Checking num-complex v0.1.40
Oct 12 12:05:24.636 INFO kablam!     Checking mnist v0.4.0
Oct 12 12:05:24.648 INFO kablam!     Checking generic-array v0.2.1
Oct 12 12:05:26.780 INFO kablam!     Checking alga v0.5.2
Oct 12 12:05:30.987 INFO kablam!     Checking nalgebra v0.12.3
Oct 12 12:05:56.456 INFO kablam!     Checking deeplearning_from_scratch v0.1.0 (/source)
Oct 12 12:05:56.932 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 12 12:05:56.932 INFO kablam!  --> src/neuron.rs:3:5
Oct 12 12:05:56.932 INFO kablam!   |
Oct 12 12:05:56.932 INFO kablam! 3 | use std::rc::Rc;
Oct 12 12:05:56.932 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 12:05:56.932 INFO kablam!   |
Oct 12 12:05:56.932 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 12:05:56.932 INFO kablam! 
Oct 12 12:05:56.932 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 12:05:56.932 INFO kablam!  --> src/neuron.rs:4:5
Oct 12 12:05:56.932 INFO kablam!   |
Oct 12 12:05:56.932 INFO kablam! 4 | use std::cell::RefCell;
Oct 12 12:05:56.932 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 12:05:56.932 INFO kablam! 
Oct 12 12:05:57.140 INFO kablam! warning: unused variable: `rows`
Oct 12 12:05:57.140 INFO kablam!   --> src/main.rs:87:16
Oct 12 12:05:57.140 INFO kablam!    |
Oct 12 12:05:57.140 INFO kablam! 87 |     let (size, rows, cols) = (50_000, 28, 28);
Oct 12 12:05:57.140 INFO kablam!    |                ^^^^ help: consider using `_rows` instead
Oct 12 12:05:57.140 INFO kablam!    |
Oct 12 12:05:57.140 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 12:05:57.140 INFO kablam! 
Oct 12 12:05:57.140 INFO kablam! warning: unused variable: `cols`
Oct 12 12:05:57.140 INFO kablam!   --> src/main.rs:87:22
Oct 12 12:05:57.140 INFO kablam!    |
Oct 12 12:05:57.140 INFO kablam! 87 |     let (size, rows, cols) = (50_000, 28, 28);
Oct 12 12:05:57.140 INFO kablam!    |                      ^^^^ help: consider using `_cols` instead
Oct 12 12:05:57.140 INFO kablam! 
Oct 12 12:05:57.140 INFO kablam! warning: unused variable: `trn_lbl`
Oct 12 12:05:57.140 INFO kablam!   --> src/main.rs:88:26
Oct 12 12:05:57.140 INFO kablam!    |
Oct 12 12:05:57.140 INFO kablam! 88 |     let Mnist { trn_img, trn_lbl, .. } = MnistBuilder::new().label_format_digit()
Oct 12 12:05:57.140 INFO kablam!    |                          ^^^^^^^ help: try ignoring the field: `trn_lbl: _`
Oct 12 12:05:57.140 INFO kablam! 
Oct 12 12:05:57.172 INFO kablam! warning: method is never used: `step`
Oct 12 12:05:57.172 INFO kablam!   --> src/neuron.rs:26:5
Oct 12 12:05:57.172 INFO kablam!    |
Oct 12 12:05:57.172 INFO kablam! 26 |     pub fn step(&self) -> DMatrix<f64> {
Oct 12 12:05:57.172 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.172 INFO kablam!    |
Oct 12 12:05:57.172 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 12:05:57.172 INFO kablam! 
Oct 12 12:05:57.172 INFO kablam! warning: method is never used: `relu`
Oct 12 12:05:57.172 INFO kablam!   --> src/neuron.rs:41:5
Oct 12 12:05:57.172 INFO kablam!    |
Oct 12 12:05:57.172 INFO kablam! 41 |     pub fn relu(&self) -> DMatrix<f64> {
Oct 12 12:05:57.172 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.172 INFO kablam! 
Oct 12 12:05:57.172 INFO kablam! warning: method is never used: `numerical_diff`
Oct 12 12:05:57.172 INFO kablam!   --> src/gradient.rs:57:5
Oct 12 12:05:57.172 INFO kablam!    |
Oct 12 12:05:57.172 INFO kablam! 57 |     pub fn numerical_diff<F: ::std::ops::Fn(f64) -> f64>(x: f64, func: F) -> f64 {
Oct 12 12:05:57.172 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.172 INFO kablam! 
Oct 12 12:05:57.173 INFO kablam! warning: function is never used: `sum_of_square`
Oct 12 12:05:57.173 INFO kablam!  --> src/loss_func.rs:6:1
Oct 12 12:05:57.173 INFO kablam!   |
Oct 12 12:05:57.173 INFO kablam! 6 | pub fn sum_of_square(result: &DMatrix<f64>, reference: &DMatrix<f64>) -> f64 {
Oct 12 12:05:57.173 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.173 INFO kablam! 
Oct 12 12:05:57.196 INFO kablam! warning: unused imports: `AxesCommon`, `Caption`, `Color`, `Figure`, `Fix`
Oct 12 12:05:57.196 INFO kablam!  --> src/main.rs:7:15
Oct 12 12:05:57.196 INFO kablam!   |
Oct 12 12:05:57.196 INFO kablam! 7 | use gnuplot::{Figure, Caption, Color, AxesCommon, Fix};
Oct 12 12:05:57.196 INFO kablam!   |               ^^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^^^^  ^^^
Oct 12 12:05:57.196 INFO kablam!   |
Oct 12 12:05:57.196 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 12:05:57.196 INFO kablam! 
Oct 12 12:05:57.196 INFO kablam! warning: unused import: `std::vec::Vec`
Oct 12 12:05:57.196 INFO kablam!  --> src/main.rs:8:5
Oct 12 12:05:57.196 INFO kablam!   |
Oct 12 12:05:57.196 INFO kablam! 8 | use std::vec::Vec;
Oct 12 12:05:57.196 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 12:05:57.196 INFO kablam! 
Oct 12 12:05:57.196 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 12 12:05:57.196 INFO kablam!  --> src/neuron.rs:3:5
Oct 12 12:05:57.197 INFO kablam!   |
Oct 12 12:05:57.197 INFO kablam! 3 | use std::rc::Rc;
Oct 12 12:05:57.197 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 12:05:57.197 INFO kablam! 
Oct 12 12:05:57.197 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 12:05:57.197 INFO kablam!  --> src/neuron.rs:4:5
Oct 12 12:05:57.197 INFO kablam!   |
Oct 12 12:05:57.197 INFO kablam! 4 | use std::cell::RefCell;
Oct 12 12:05:57.197 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.197 INFO kablam! 
Oct 12 12:05:57.356 INFO kablam! warning: unused variable: `rows`
Oct 12 12:05:57.356 INFO kablam!   --> src/main.rs:87:16
Oct 12 12:05:57.356 INFO kablam!    |
Oct 12 12:05:57.356 INFO kablam! 87 |     let (size, rows, cols) = (50_000, 28, 28);
Oct 12 12:05:57.356 INFO kablam!    |                ^^^^ help: consider using `_rows` instead
Oct 12 12:05:57.356 INFO kablam!    |
Oct 12 12:05:57.356 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 12:05:57.356 INFO kablam! 
Oct 12 12:05:57.356 INFO kablam! warning: unused variable: `cols`
Oct 12 12:05:57.356 INFO kablam!   --> src/main.rs:87:22
Oct 12 12:05:57.356 INFO kablam!    |
Oct 12 12:05:57.356 INFO kablam! 87 |     let (size, rows, cols) = (50_000, 28, 28);
Oct 12 12:05:57.356 INFO kablam!    |                      ^^^^ help: consider using `_cols` instead
Oct 12 12:05:57.356 INFO kablam! 
Oct 12 12:05:57.356 INFO kablam! warning: unused variable: `trn_lbl`
Oct 12 12:05:57.356 INFO kablam!   --> src/main.rs:88:26
Oct 12 12:05:57.356 INFO kablam!    |
Oct 12 12:05:57.356 INFO kablam! 88 |     let Mnist { trn_img, trn_lbl, .. } = MnistBuilder::new().label_format_digit()
Oct 12 12:05:57.356 INFO kablam!    |                          ^^^^^^^ help: try ignoring the field: `trn_lbl: _`
Oct 12 12:05:57.357 INFO kablam! 
Oct 12 12:05:57.376 INFO kablam! warning: method is never used: `step`
Oct 12 12:05:57.376 INFO kablam!   --> src/neuron.rs:26:5
Oct 12 12:05:57.376 INFO kablam!    |
Oct 12 12:05:57.376 INFO kablam! 26 |     pub fn step(&self) -> DMatrix<f64> {
Oct 12 12:05:57.376 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.376 INFO kablam!    |
Oct 12 12:05:57.376 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 12:05:57.376 INFO kablam! 
Oct 12 12:05:57.376 INFO kablam! warning: method is never used: `relu`
Oct 12 12:05:57.376 INFO kablam!   --> src/neuron.rs:41:5
Oct 12 12:05:57.376 INFO kablam!    |
Oct 12 12:05:57.376 INFO kablam! 41 |     pub fn relu(&self) -> DMatrix<f64> {
Oct 12 12:05:57.376 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.376 INFO kablam! 
Oct 12 12:05:57.376 INFO kablam! warning: method is never used: `numerical_diff`
Oct 12 12:05:57.376 INFO kablam!   --> src/gradient.rs:57:5
Oct 12 12:05:57.376 INFO kablam!    |
Oct 12 12:05:57.377 INFO kablam! 57 |     pub fn numerical_diff<F: ::std::ops::Fn(f64) -> f64>(x: f64, func: F) -> f64 {
Oct 12 12:05:57.377 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.377 INFO kablam! 
Oct 12 12:05:57.377 INFO kablam! warning: function is never used: `sum_of_square`
Oct 12 12:05:57.377 INFO kablam!  --> src/loss_func.rs:6:1
Oct 12 12:05:57.377 INFO kablam!   |
Oct 12 12:05:57.377 INFO kablam! 6 | pub fn sum_of_square(result: &DMatrix<f64>, reference: &DMatrix<f64>) -> f64 {
Oct 12 12:05:57.377 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:05:57.377 INFO kablam! 
Oct 12 12:05:57.424 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 32.87s
Oct 12 12:05:57.424 INFO kablam! su: No module specific data is present
Oct 12 12:05:58.501 INFO running `"docker" "rm" "-f" "bcf1b93992f48d1b437624e7e6e4d51496cb4092df6647691f7d091662b93841"`
Oct 12 12:05:58.756 INFO blam! bcf1b93992f48d1b437624e7e6e4d51496cb4092df6647691f7d091662b93841