Dec 19 07:00:21.616 INFO checking tkyk0317/deeplearning_by_rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:00:21.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:00:22.032 INFO [stdout] 9a85464ebb19858b708b9e5ad404833f6133b99a4e427fc78d8a4e61e29afc2c
Dec 19 07:00:22.038 INFO running `"docker" "start" "-a" "9a85464ebb19858b708b9e5ad404833f6133b99a4e427fc78d8a4e61e29afc2c"`
Dec 19 07:00:24.676 INFO [stderr]     Checking gnuplot v0.0.22
Dec 19 07:00:24.676 INFO [stderr]     Checking num-complex v0.1.40
Dec 19 07:00:24.684 INFO [stderr]     Checking mnist v0.4.0
Dec 19 07:00:24.696 INFO [stderr]     Checking generic-array v0.2.1
Dec 19 07:00:26.795 INFO [stderr]     Checking alga v0.5.2
Dec 19 07:00:30.362 INFO [stderr]     Checking nalgebra v0.12.3
Dec 19 07:00:53.696 INFO [stderr]     Checking deeplearning_from_scratch v0.1.0 (/opt/crater/workdir)
Dec 19 07:00:53.916 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 07:00:53.916 INFO [stderr]  --> src/neuron.rs:3:5
Dec 19 07:00:53.916 INFO [stderr]   |
Dec 19 07:00:53.916 INFO [stderr] 3 | use std::rc::Rc;
Dec 19 07:00:53.916 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 07:00:53.916 INFO [stderr]   |
Dec 19 07:00:53.916 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:00:53.916 INFO [stderr] 
Dec 19 07:00:53.916 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 19 07:00:53.916 INFO [stderr]  --> src/neuron.rs:4:5
Dec 19 07:00:53.916 INFO [stderr]   |
Dec 19 07:00:53.916 INFO [stderr] 4 | use std::cell::RefCell;
Dec 19 07:00:53.916 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 07:00:53.916 INFO [stderr] 
Dec 19 07:00:54.000 INFO [stderr] warning: unused imports: `AxesCommon`, `Caption`, `Color`, `Figure`, `Fix`
Dec 19 07:00:54.000 INFO [stderr]  --> src/main.rs:7:15
Dec 19 07:00:54.000 INFO [stderr]   |
Dec 19 07:00:54.000 INFO [stderr] 7 | use gnuplot::{Figure, Caption, Color, AxesCommon, Fix};
Dec 19 07:00:54.000 INFO [stderr]   |               ^^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^^^^  ^^^
Dec 19 07:00:54.000 INFO [stderr]   |
Dec 19 07:00:54.000 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:00:54.000 INFO [stderr] 
Dec 19 07:00:54.000 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 19 07:00:54.000 INFO [stderr]  --> src/main.rs:8:5
Dec 19 07:00:54.000 INFO [stderr]   |
Dec 19 07:00:54.000 INFO [stderr] 8 | use std::vec::Vec;
Dec 19 07:00:54.000 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 07:00:54.000 INFO [stderr] 
Dec 19 07:00:54.000 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 07:00:54.000 INFO [stderr]  --> src/neuron.rs:3:5
Dec 19 07:00:54.000 INFO [stderr]   |
Dec 19 07:00:54.000 INFO [stderr] 3 | use std::rc::Rc;
Dec 19 07:00:54.000 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 07:00:54.000 INFO [stderr] 
Dec 19 07:00:54.000 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 19 07:00:54.000 INFO [stderr]  --> src/neuron.rs:4:5
Dec 19 07:00:54.000 INFO [stderr]   |
Dec 19 07:00:54.000 INFO [stderr] 4 | use std::cell::RefCell;
Dec 19 07:00:54.000 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.000 INFO [stderr] 
Dec 19 07:00:54.036 INFO [stderr] warning: unused variable: `rows`
Dec 19 07:00:54.036 INFO [stderr]   --> src/main.rs:87:16
Dec 19 07:00:54.036 INFO [stderr]    |
Dec 19 07:00:54.036 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:54.036 INFO [stderr]    |                ^^^^ help: consider using `_rows` instead
Dec 19 07:00:54.036 INFO [stderr]    |
Dec 19 07:00:54.036 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 07:00:54.036 INFO [stderr] 
Dec 19 07:00:54.036 INFO [stderr] warning: unused variable: `cols`
Dec 19 07:00:54.036 INFO [stderr]   --> src/main.rs:87:22
Dec 19 07:00:54.036 INFO [stderr]    |
Dec 19 07:00:54.036 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:54.036 INFO [stderr]    |                      ^^^^ help: consider using `_cols` instead
Dec 19 07:00:54.036 INFO [stderr] 
Dec 19 07:00:54.036 INFO [stderr] warning: unused variable: `trn_lbl`
Dec 19 07:00:54.037 INFO [stderr]   --> src/main.rs:88:26
Dec 19 07:00:54.037 INFO [stderr]    |
Dec 19 07:00:54.037 INFO [stderr] 88 |     let Mnist { trn_img, trn_lbl, .. } = MnistBuilder::new().label_format_digit()
Dec 19 07:00:54.037 INFO [stderr]    |                          ^^^^^^^ help: try ignoring the field: `trn_lbl: _`
Dec 19 07:00:54.037 INFO [stderr] 
Dec 19 07:00:54.068 INFO [stderr] warning: method is never used: `step`
Dec 19 07:00:54.068 INFO [stderr]   --> src/neuron.rs:26:5
Dec 19 07:00:54.068 INFO [stderr]    |
Dec 19 07:00:54.068 INFO [stderr] 26 |     pub fn step(&self) -> DMatrix<f64> {
Dec 19 07:00:54.068 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.068 INFO [stderr]    |
Dec 19 07:00:54.068 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:00:54.068 INFO [stderr] 
Dec 19 07:00:54.068 INFO [stderr] warning: method is never used: `relu`
Dec 19 07:00:54.068 INFO [stderr]   --> src/neuron.rs:41:5
Dec 19 07:00:54.068 INFO [stderr]    |
Dec 19 07:00:54.068 INFO [stderr] 41 |     pub fn relu(&self) -> DMatrix<f64> {
Dec 19 07:00:54.068 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.068 INFO [stderr] 
Dec 19 07:00:54.068 INFO [stderr] warning: method is never used: `numerical_diff`
Dec 19 07:00:54.068 INFO [stderr]   --> src/gradient.rs:57:5
Dec 19 07:00:54.068 INFO [stderr]    |
Dec 19 07:00:54.068 INFO [stderr] 57 |     pub fn numerical_diff<F: ::std::ops::Fn(f64) -> f64>(x: f64, func: F) -> f64 {
Dec 19 07:00:54.068 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.068 INFO [stderr] 
Dec 19 07:00:54.068 INFO [stderr] warning: function is never used: `sum_of_square`
Dec 19 07:00:54.068 INFO [stderr]  --> src/loss_func.rs:6:1
Dec 19 07:00:54.068 INFO [stderr]   |
Dec 19 07:00:54.068 INFO [stderr] 6 | pub fn sum_of_square(result: &DMatrix<f64>, reference: &DMatrix<f64>) -> f64 {
Dec 19 07:00:54.068 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.068 INFO [stderr] 
Dec 19 07:00:54.145 INFO [stderr] warning: unused variable: `rows`
Dec 19 07:00:54.145 INFO [stderr]   --> src/main.rs:87:16
Dec 19 07:00:54.145 INFO [stderr]    |
Dec 19 07:00:54.145 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:54.145 INFO [stderr]    |                ^^^^ help: consider using `_rows` instead
Dec 19 07:00:54.145 INFO [stderr]    |
Dec 19 07:00:54.145 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 07:00:54.145 INFO [stderr] 
Dec 19 07:00:54.145 INFO [stderr] warning: unused variable: `cols`
Dec 19 07:00:54.145 INFO [stderr]   --> src/main.rs:87:22
Dec 19 07:00:54.145 INFO [stderr]    |
Dec 19 07:00:54.145 INFO [stderr] 87 |     let (size, rows, cols) = (50_000, 28, 28);
Dec 19 07:00:54.145 INFO [stderr]    |                      ^^^^ help: consider using `_cols` instead
Dec 19 07:00:54.145 INFO [stderr] 
Dec 19 07:00:54.145 INFO [stderr] warning: unused variable: `trn_lbl`
Dec 19 07:00:54.145 INFO [stderr]   --> src/main.rs:88:26
Dec 19 07:00:54.145 INFO [stderr]    |
Dec 19 07:00:54.145 INFO [stderr] 88 |     let Mnist { trn_img, trn_lbl, .. } = MnistBuilder::new().label_format_digit()
Dec 19 07:00:54.145 INFO [stderr]    |                          ^^^^^^^ help: try ignoring the field: `trn_lbl: _`
Dec 19 07:00:54.145 INFO [stderr] 
Dec 19 07:00:54.180 INFO [stderr] warning: method is never used: `step`
Dec 19 07:00:54.180 INFO [stderr]   --> src/neuron.rs:26:5
Dec 19 07:00:54.180 INFO [stderr]    |
Dec 19 07:00:54.180 INFO [stderr] 26 |     pub fn step(&self) -> DMatrix<f64> {
Dec 19 07:00:54.180 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.180 INFO [stderr]    |
Dec 19 07:00:54.180 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:00:54.180 INFO [stderr] 
Dec 19 07:00:54.180 INFO [stderr] warning: method is never used: `relu`
Dec 19 07:00:54.180 INFO [stderr]   --> src/neuron.rs:41:5
Dec 19 07:00:54.180 INFO [stderr]    |
Dec 19 07:00:54.180 INFO [stderr] 41 |     pub fn relu(&self) -> DMatrix<f64> {
Dec 19 07:00:54.180 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.180 INFO [stderr] 
Dec 19 07:00:54.180 INFO [stderr] warning: method is never used: `numerical_diff`
Dec 19 07:00:54.180 INFO [stderr]   --> src/gradient.rs:57:5
Dec 19 07:00:54.180 INFO [stderr]    |
Dec 19 07:00:54.180 INFO [stderr] 57 |     pub fn numerical_diff<F: ::std::ops::Fn(f64) -> f64>(x: f64, func: F) -> f64 {
Dec 19 07:00:54.180 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.180 INFO [stderr] 
Dec 19 07:00:54.180 INFO [stderr] warning: function is never used: `sum_of_square`
Dec 19 07:00:54.180 INFO [stderr]  --> src/loss_func.rs:6:1
Dec 19 07:00:54.180 INFO [stderr]   |
Dec 19 07:00:54.180 INFO [stderr] 6 | pub fn sum_of_square(result: &DMatrix<f64>, reference: &DMatrix<f64>) -> f64 {
Dec 19 07:00:54.180 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:54.180 INFO [stderr] 
Dec 19 07:00:54.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.59s
Dec 19 07:00:54.910 INFO running `"docker" "inspect" "9a85464ebb19858b708b9e5ad404833f6133b99a4e427fc78d8a4e61e29afc2c"`
Dec 19 07:00:55.200 INFO running `"docker" "rm" "-f" "9a85464ebb19858b708b9e5ad404833f6133b99a4e427fc78d8a4e61e29afc2c"`
Dec 19 07:00:55.532 INFO [stdout] 9a85464ebb19858b708b9e5ad404833f6133b99a4e427fc78d8a4e61e29afc2c