Dec 19 07:00:19.610 INFO checking tkyk0317/deeplearning_by_rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:00:19.611 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/tkyk0317/deeplearning_by_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:00:20.148 INFO [stdout] b7f9f91d4a667bdfde76048abfa5ebb50a05215efd30cf3f0119ecdf7263978c
Dec 19 07:00:20.156 INFO running `"docker" "start" "-a" "b7f9f91d4a667bdfde76048abfa5ebb50a05215efd30cf3f0119ecdf7263978c"`
Dec 19 07:00:21.976 INFO [stderr]     Checking gnuplot v0.0.22
Dec 19 07:00:21.976 INFO [stderr]     Checking mnist v0.4.0
Dec 19 07:00:21.992 INFO [stderr]     Checking alga v0.5.2
Dec 19 07:00:26.603 INFO [stderr]     Checking nalgebra v0.12.3
Dec 19 07:00:50.513 INFO [stderr]     Checking deeplearning_from_scratch v0.1.0 (/opt/crater/workdir)
Dec 19 07:00:50.664 INFO [stderr] warning: unused imports: `AxesCommon`, `Caption`, `Color`, `Figure`, `Fix`
Dec 19 07:00:50.664 INFO [stderr]  --> src/main.rs:7:15
Dec 19 07:00:50.664 INFO [stderr]   |
Dec 19 07:00:50.664 INFO [stderr] 7 | use gnuplot::{Figure, Caption, Color, AxesCommon, Fix};
Dec 19 07:00:50.664 INFO [stderr]   |               ^^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^^^^  ^^^
Dec 19 07:00:50.664 INFO [stderr]   |
Dec 19 07:00:50.664 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:00:50.664 INFO [stderr] 
Dec 19 07:00:50.664 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 19 07:00:50.664 INFO [stderr]  --> src/main.rs:8:5
Dec 19 07:00:50.664 INFO [stderr]   |
Dec 19 07:00:50.664 INFO [stderr] 8 | use std::vec::Vec;
Dec 19 07:00:50.664 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 07:00:50.664 INFO [stderr] 
Dec 19 07:00:50.664 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 07:00:50.664 INFO [stderr]  --> src/neuron.rs:3:5
Dec 19 07:00:50.664 INFO [stderr]   |
Dec 19 07:00:50.664 INFO [stderr] 3 | use std::rc::Rc;
Dec 19 07:00:50.664 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 07:00:50.664 INFO [stderr] 
Dec 19 07:00:50.665 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 19 07:00:50.665 INFO [stderr]  --> src/neuron.rs:4:5
Dec 19 07:00:50.665 INFO [stderr]   |
Dec 19 07:00:50.665 INFO [stderr] 4 | use std::cell::RefCell;
Dec 19 07:00:50.665 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 07:00:50.665 INFO [stderr] 
Dec 19 07:00:50.776 INFO [stderr] warning: unused variable: `rows`
Dec 19 07:00:50.776 INFO [stderr]   --> src/main.rs:87:16
Dec 19 07:00:50.776 INFO [stderr]    |
Dec 19 07:00:50.776 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:50.776 INFO [stderr]    |                ^^^^ help: consider using `_rows` instead
Dec 19 07:00:50.776 INFO [stderr]    |
Dec 19 07:00:50.776 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 07:00:50.776 INFO [stderr] 
Dec 19 07:00:50.776 INFO [stderr] warning: unused variable: `cols`
Dec 19 07:00:50.776 INFO [stderr]   --> src/main.rs:87:22
Dec 19 07:00:50.776 INFO [stderr]    |
Dec 19 07:00:50.776 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:50.776 INFO [stderr]    |                      ^^^^ help: consider using `_cols` instead
Dec 19 07:00:50.776 INFO [stderr] 
Dec 19 07:00:50.776 INFO [stderr] warning: unused variable: `trn_lbl`
Dec 19 07:00:50.776 INFO [stderr]   --> src/main.rs:88:26
Dec 19 07:00:50.776 INFO [stderr]    |
Dec 19 07:00:50.777 INFO [stderr] 88 |     let Mnist { trn_img, trn_lbl, .. } = MnistBuilder::new().label_format_digit()
Dec 19 07:00:50.777 INFO [stderr]    |                          ^^^^^^^ help: try ignoring the field: `trn_lbl: _`
Dec 19 07:00:50.777 INFO [stderr] 
Dec 19 07:00:50.803 INFO [stderr] warning: method is never used: `step`
Dec 19 07:00:50.803 INFO [stderr]   --> src/neuron.rs:26:5
Dec 19 07:00:50.803 INFO [stderr]    |
Dec 19 07:00:50.803 INFO [stderr] 26 |     pub fn step(&self) -> DMatrix<f64> {
Dec 19 07:00:50.803 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:50.803 INFO [stderr]    |
Dec 19 07:00:50.803 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:00:50.803 INFO [stderr] 
Dec 19 07:00:50.803 INFO [stderr] warning: method is never used: `relu`
Dec 19 07:00:50.803 INFO [stderr]   --> src/neuron.rs:41:5
Dec 19 07:00:50.803 INFO [stderr]    |
Dec 19 07:00:50.803 INFO [stderr] 41 |     pub fn relu(&self) -> DMatrix<f64> {
Dec 19 07:00:50.803 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:50.803 INFO [stderr] 
Dec 19 07:00:50.803 INFO [stderr] warning: method is never used: `numerical_diff`
Dec 19 07:00:50.803 INFO [stderr]   --> src/gradient.rs:57:5
Dec 19 07:00:50.803 INFO [stderr]    |
Dec 19 07:00:50.803 INFO [stderr] 57 |     pub fn numerical_diff<F: ::std::ops::Fn(f64) -> f64>(x: f64, func: F) -> f64 {
Dec 19 07:00:50.803 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:50.803 INFO [stderr] 
Dec 19 07:00:50.803 INFO [stderr] warning: function is never used: `sum_of_square`
Dec 19 07:00:50.803 INFO [stderr]  --> src/loss_func.rs:6:1
Dec 19 07:00:50.803 INFO [stderr]   |
Dec 19 07:00:50.803 INFO [stderr] 6 | pub fn sum_of_square(result: &DMatrix<f64>, reference: &DMatrix<f64>) -> f64 {
Dec 19 07:00:50.803 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:50.803 INFO [stderr] 
Dec 19 07:00:50.817 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 07:00:50.817 INFO [stderr]  --> src/neuron.rs:3:5
Dec 19 07:00:50.817 INFO [stderr]   |
Dec 19 07:00:50.817 INFO [stderr] 3 | use std::rc::Rc;
Dec 19 07:00:50.817 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 07:00:50.817 INFO [stderr]   |
Dec 19 07:00:50.817 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:00:50.817 INFO [stderr] 
Dec 19 07:00:50.817 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 19 07:00:50.817 INFO [stderr]  --> src/neuron.rs:4:5
Dec 19 07:00:50.817 INFO [stderr]   |
Dec 19 07:00:50.817 INFO [stderr] 4 | use std::cell::RefCell;
Dec 19 07:00:50.817 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 07:00:50.817 INFO [stderr] 
Dec 19 07:00:50.966 INFO [stderr] warning: unused variable: `rows`
Dec 19 07:00:50.966 INFO [stderr]   --> src/main.rs:87:16
Dec 19 07:00:50.966 INFO [stderr]    |
Dec 19 07:00:50.966 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:50.967 INFO [stderr]    |                ^^^^ help: consider using `_rows` instead
Dec 19 07:00:50.967 INFO [stderr]    |
Dec 19 07:00:50.967 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 07:00:50.967 INFO [stderr] 
Dec 19 07:00:50.967 INFO [stderr] warning: unused variable: `cols`
Dec 19 07:00:50.968 INFO [stderr]   --> src/main.rs:87:22
Dec 19 07:00:50.968 INFO [stderr]    |
Dec 19 07:00:50.968 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:50.968 INFO [stderr]    |                      ^^^^ help: consider using `_cols` instead
Dec 19 07:00:50.968 INFO [stderr] 
Dec 19 07:00:50.968 INFO [stderr] warning: unused variable: `trn_lbl`
Dec 19 07:00:50.968 INFO [stderr]   --> src/main.rs:88:26
Dec 19 07:00:50.968 INFO [stderr]    |
Dec 19 07:00:50.968 INFO [stderr] 88 |     let Mnist { trn_img, trn_lbl, .. } = MnistBuilder::new().label_format_digit()
Dec 19 07:00:50.968 INFO [stderr]    |                          ^^^^^^^ help: try ignoring the field: `trn_lbl: _`
Dec 19 07:00:50.969 INFO [stderr] 
Dec 19 07:00:51.000 INFO [stderr] warning: method is never used: `step`
Dec 19 07:00:51.000 INFO [stderr]   --> src/neuron.rs:26:5
Dec 19 07:00:51.000 INFO [stderr]    |
Dec 19 07:00:51.000 INFO [stderr] 26 |     pub fn step(&self) -> DMatrix<f64> {
Dec 19 07:00:51.000 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:51.000 INFO [stderr]    |
Dec 19 07:00:51.000 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:00:51.000 INFO [stderr] 
Dec 19 07:00:51.000 INFO [stderr] warning: method is never used: `relu`
Dec 19 07:00:51.001 INFO [stderr]   --> src/neuron.rs:41:5
Dec 19 07:00:51.001 INFO [stderr]    |
Dec 19 07:00:51.001 INFO [stderr] 41 |     pub fn relu(&self) -> DMatrix<f64> {
Dec 19 07:00:51.001 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:51.001 INFO [stderr] 
Dec 19 07:00:51.001 INFO [stderr] warning: method is never used: `numerical_diff`
Dec 19 07:00:51.001 INFO [stderr]   --> src/gradient.rs:57:5
Dec 19 07:00:51.001 INFO [stderr]    |
Dec 19 07:00:51.001 INFO [stderr] 57 |     pub fn numerical_diff<F: ::std::ops::Fn(f64) -> f64>(x: f64, func: F) -> f64 {
Dec 19 07:00:51.001 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:51.001 INFO [stderr] 
Dec 19 07:00:51.001 INFO [stderr] warning: function is never used: `sum_of_square`
Dec 19 07:00:51.002 INFO [stderr]  --> src/loss_func.rs:6:1
Dec 19 07:00:51.002 INFO [stderr]   |
Dec 19 07:00:51.002 INFO [stderr] 6 | pub fn sum_of_square(result: &DMatrix<f64>, reference: &DMatrix<f64>) -> f64 {
Dec 19 07:00:51.002 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:51.002 INFO [stderr] 
Dec 19 07:00:51.030 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.17s
Dec 19 07:00:52.452 INFO running `"docker" "inspect" "b7f9f91d4a667bdfde76048abfa5ebb50a05215efd30cf3f0119ecdf7263978c"`
Dec 19 07:00:52.762 INFO running `"docker" "rm" "-f" "b7f9f91d4a667bdfde76048abfa5ebb50a05215efd30cf3f0119ecdf7263978c"`
Dec 19 07:00:53.164 INFO [stdout] b7f9f91d4a667bdfde76048abfa5ebb50a05215efd30cf3f0119ecdf7263978c