[INFO] cloning repository https://github.com/iofuwisa/learning_rust_dl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iofuwisa/learning_rust_dl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiofuwisa%2Flearning_rust_dl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiofuwisa%2Flearning_rust_dl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8459668244848a9ea2d6d16811c6080ce5d45f54
[INFO] testing iofuwisa/learning_rust_dl against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiofuwisa%2Flearning_rust_dl" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iofuwisa/learning_rust_dl on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iofuwisa/learning_rust_dl
[INFO] finished tweaking git repo https://github.com/iofuwisa/learning_rust_dl
[INFO] tweaked toml for git repo https://github.com/iofuwisa/learning_rust_dl written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iofuwisa/learning_rust_dl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 15cfbb883ee3d27188b94a9950ab0efc7f4789e5cccfb2ad9d7fcfba4742669d
[INFO] running `Command { std: "docker" "start" "-a" "15cfbb883ee3d27188b94a9950ab0efc7f4789e5cccfb2ad9d7fcfba4742669d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15cfbb883ee3d27188b94a9950ab0efc7f4789e5cccfb2ad9d7fcfba4742669d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cfbb883ee3d27188b94a9950ab0efc7f4789e5cccfb2ad9d7fcfba4742669d", kill_on_drop: false }`
[INFO] [stdout] 15cfbb883ee3d27188b94a9950ab0efc7f4789e5cccfb2ad9d7fcfba4742669d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62eba089cb663bb8c0edb50b53b2a7778610713f4a23f1746db1e2b969cc00ae
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[INFO] [stdout] warning: unused import: `crate::deep_learning::statistics::*`
[INFO] [stdout]   --> src/deep_learning/common.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::deep_learning::statistics::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/deep_learning/common.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::deep_learning::*`
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::deep_learning::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView1`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ArrayView1,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     s,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/deep_learning/common.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for i in 0..size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 258 |         return self.weight_sum();
[INFO] [stdout]     |                ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_index`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let col_index = y * filter_w + x;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_rows` is never used
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:382:4
[INFO] [stdout]     |
[INFO] [stdout] 382 | fn broadcast_rows(data: &Array2<f64>, row_num: usize) -> Array2<f64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         plot_loss(losses, "loss");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.last_layer.export(&mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `trn_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             trn_img: trn_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `val_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             val_img: val_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `tst_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             tst_img: tst_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trn_lbl`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let trn_lbl = mnist.get_trn_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_lbl`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let tst_lbl = mnist.get_tst_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut trn_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tst_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DROUPOUT_RATE` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const DROUPOUT_RATE: f64 = 0.15;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SGD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SGD_LEARNING_RATE: f64 = 0.001;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MOMENTUM_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const MOMENTUM_FLICTION: f64 = 0.9;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const RMSPROP_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const RMSPROP_FLICTION: f64 = 0.99;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADAGRAD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const ADAGRAD_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_main` is never used
[INFO] [stdout]    --> src/main.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn guess_main() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.48s
[INFO] running `Command { std: "docker" "inspect" "62eba089cb663bb8c0edb50b53b2a7778610713f4a23f1746db1e2b969cc00ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62eba089cb663bb8c0edb50b53b2a7778610713f4a23f1746db1e2b969cc00ae", kill_on_drop: false }`
[INFO] [stdout] 62eba089cb663bb8c0edb50b53b2a7778610713f4a23f1746db1e2b969cc00ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a35e80be24fb879a208e9b10c838077b3ce23683db58e2a05a4ad7113df2bd
[INFO] running `Command { std: "docker" "start" "-a" "64a35e80be24fb879a208e9b10c838077b3ce23683db58e2a05a4ad7113df2bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.2.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling mockall_double v0.2.0
[INFO] [stdout] warning: unused import: `crate::deep_learning::statistics::*`
[INFO] [stdout]   --> src/deep_learning/common.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::deep_learning::statistics::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/deep_learning/common.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::deep_learning::*`
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::deep_learning::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView1`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ArrayView1,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     s,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/deep_learning/common.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for i in 0..size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 258 |         return self.weight_sum();
[INFO] [stdout]     |                ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_index`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let col_index = y * filter_w + x;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_rows` is never used
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:382:4
[INFO] [stdout]     |
[INFO] [stdout] 382 | fn broadcast_rows(data: &Array2<f64>, row_num: usize) -> Array2<f64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         plot_loss(losses, "loss");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.last_layer.export(&mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `trn_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             trn_img: trn_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `val_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             val_img: val_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `tst_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             tst_img: tst_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.28
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling mockall v0.10.2
[INFO] [stderr]    Compiling deep_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/main.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trn_lbl`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let trn_lbl = mnist.get_trn_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_lbl`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let tst_lbl = mnist.get_tst_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut trn_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tst_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DROUPOUT_RATE` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const DROUPOUT_RATE: f64 = 0.15;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SGD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SGD_LEARNING_RATE: f64 = 0.001;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MOMENTUM_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const MOMENTUM_FLICTION: f64 = 0.9;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const RMSPROP_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const RMSPROP_FLICTION: f64 = 0.99;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADAGRAD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const ADAGRAD_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_main` is never used
[INFO] [stdout]    --> src/main.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn guess_main() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `measure_execute_time` is never used
[INFO] [stdout]    --> src/main.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn measure_execute_time(f: &dyn Fn()) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/deep_learning/common.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::deep_learning::*`
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::deep_learning::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     s,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/image.rs:157:41
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]     |                                         ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 -                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 157 +                     print!("{}", if img[i*width+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/deep_learning/common.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for i in 0..size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lerning_rate`
[INFO] [stdout]    --> src/deep_learning/common.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let lerning_rate = 0.05;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lerning_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let mut x_value = arr2(&
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let mut w_value = arr2(&
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 258 |         return self.weight_sum();
[INFO] [stdout]     |                ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_index`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let col_index = y * filter_w + x;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |         let mut conv = Convolution::new_random(
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_b`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1278:14
[INFO] [stdout]      |
[INFO] [stdout] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_x_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_c`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1278:19
[INFO] [stdout]      |
[INFO] [stdout] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stdout]      |                   ^^^ help: if this is intentional, prefix it with an underscore: `_x_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_b`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1280:14
[INFO] [stdout]      |
[INFO] [stdout] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stdout]      |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_c`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1280:24
[INFO] [stdout]      |
[INFO] [stdout] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/graph_plotter/other.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         plot_rate(data, "test_rate");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let _ = plot_rate(data, "test_rate");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/graph_plotter/other.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         plot_histogram(data, "test_histo");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let _ = plot_histogram(data, "test_histo");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `softmaxLoss` should have a snake case name
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:293:17
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut softmaxLoss= SoftmaxWithLoss::new(x, t.clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `softmax_loss`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         plot_loss(losses, "loss");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.last_layer.export(&mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `trn_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             trn_img: trn_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `val_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             val_img: val_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `tst_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             tst_img: tst_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TRN_IMG_SIZE` should have a snake case name
[INFO] [stdout]    --> src/mnist_images.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let TRN_IMG_SIZE: usize = 5000;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `trn_img_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `VAL_IMG_SIZE` should have a snake case name
[INFO] [stdout]    --> src/mnist_images.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let VAL_IMG_SIZE: usize = 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `val_img_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TST_IMG_SIZE` should have a snake case name
[INFO] [stdout]    --> src/mnist_images.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let TST_IMG_SIZE: usize = 2000;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `tst_img_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 75 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "64a35e80be24fb879a208e9b10c838077b3ce23683db58e2a05a4ad7113df2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a35e80be24fb879a208e9b10c838077b3ce23683db58e2a05a4ad7113df2bd", kill_on_drop: false }`
[INFO] [stdout] 64a35e80be24fb879a208e9b10c838077b3ce23683db58e2a05a4ad7113df2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5244dccf69f02897f111ea3bdd676246475f5fab3c1be1337d9c02506b018432
[INFO] running `Command { std: "docker" "start" "-a" "5244dccf69f02897f111ea3bdd676246475f5fab3c1be1337d9c02506b018432", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::deep_learning::statistics::*`
[INFO] [stderr]   --> src/deep_learning/common.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::deep_learning::statistics::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/deep_learning/common.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr]    |                                  ^      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::deep_learning::*`
[INFO] [stderr]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::deep_learning::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ArrayView1`
[INFO] [stderr]  --> src/deep_learning/layer/pooling.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ArrayView1,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `s`
[INFO] [stderr]  --> src/image.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     s,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/deep_learning/common.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     for i in 0..size {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dw`
[INFO] [stderr]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter`
[INFO] [stderr]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bias`
[INFO] [stderr]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `batch_num`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stderr]     |
[INFO] [stderr] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter_num`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stderr]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `batch_num`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stderr]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 258 |         return self.weight_sum();
[INFO] [stderr]     |                ----------------- recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col_index`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stderr]     |
[INFO] [stderr] 294 |             let col_index = y * filter_w + x;
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `broadcast_rows` is never used
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:382:4
[INFO] [stderr]     |
[INFO] [stderr] 382 | fn broadcast_rows(data: &Array2<f64>, row_num: usize) -> Array2<f64> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         plot_loss(losses, "loss");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         self.last_layer.export(&mut file);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: the `trn_img:` in this pattern is redundant
[INFO] [stderr]   --> src/mnist_images.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             trn_img: trn_img,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `val_img:` in this pattern is redundant
[INFO] [stderr]   --> src/mnist_images.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             val_img: val_img,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stderr] 
[INFO] [stderr] warning: the `tst_img:` in this pattern is redundant
[INFO] [stderr]   --> src/mnist_images.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             tst_img: tst_img,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stderr] 
[INFO] [stderr] warning: `deep_learning` (lib) generated 59 warnings (run `cargo fix --lib -p deep_learning` to apply 47 suggestions)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/main.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trn_lbl`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let trn_lbl = mnist.get_trn_lbl();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_lbl`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let tst_lbl = mnist.get_tst_lbl();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut trn_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut tst_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DROUPOUT_RATE` is never used
[INFO] [stderr]   --> src/main.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | const DROUPOUT_RATE: f64 = 0.15;
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SGD_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 | const SGD_LEARNING_RATE: f64 = 0.001;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MOMENTUM_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 | const MOMENTUM_LEARNING_RATE: f64 = 0.1;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MOMENTUM_FLICTION` is never used
[INFO] [stderr]   --> src/main.rs:23:7
[INFO] [stderr]    |
[INFO] [stderr] 23 | const MOMENTUM_FLICTION: f64 = 0.9;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RMSPROP_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | const RMSPROP_LEARNING_RATE: f64 = 0.1;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RMSPROP_FLICTION` is never used
[INFO] [stderr]   --> src/main.rs:25:7
[INFO] [stderr]    |
[INFO] [stderr] 25 | const RMSPROP_FLICTION: f64 = 0.99;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ADAGRAD_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 | const ADAGRAD_LEARNING_RATE: f64 = 0.1;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `guess_main` is never used
[INFO] [stderr]    --> src/main.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn guess_main() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `measure_execute_time` is never used
[INFO] [stderr]    --> src/main.rs:218:8
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn measure_execute_time(f: &dyn Fn()) -> u128 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/image.rs:157:41
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr]     |                                         ^         ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 157 -                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr] 157 +                     print!("{}", if img[i*width+j] > 0.0 {"*"} else {" "});
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lerning_rate`
[INFO] [stderr]    --> src/deep_learning/common.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let lerning_rate = 0.05;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lerning_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/affine.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut x_value = arr2(&
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/affine.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |         let mut w_value = arr2(&
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:420:13
[INFO] [stderr]     |
[INFO] [stderr] 420 |         let mut conv = Convolution::new_random(
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_b`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1278:14
[INFO] [stderr]      |
[INFO] [stderr] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stderr]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_x_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_c`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1278:19
[INFO] [stderr]      |
[INFO] [stderr] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stderr]      |                   ^^^ help: if this is intentional, prefix it with an underscore: `_x_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter_b`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1280:14
[INFO] [stderr]      |
[INFO] [stderr] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stderr]      |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter_c`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1280:24
[INFO] [stderr]      |
[INFO] [stderr] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stderr]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/graph_plotter/other.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         plot_rate(data, "test_rate");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let _ = plot_rate(data, "test_rate");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/graph_plotter/other.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         plot_histogram(data, "test_histo");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let _ = plot_histogram(data, "test_histo");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `softmaxLoss` should have a snake case name
[INFO] [stderr]    --> src/deep_learning/layer/softmax_with_loss.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let mut softmaxLoss= SoftmaxWithLoss::new(x, t.clone());
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `softmax_loss`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TRN_IMG_SIZE` should have a snake case name
[INFO] [stderr]    --> src/mnist_images.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let TRN_IMG_SIZE: usize = 5000;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `trn_img_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `VAL_IMG_SIZE` should have a snake case name
[INFO] [stderr]    --> src/mnist_images.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let VAL_IMG_SIZE: usize = 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `val_img_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TST_IMG_SIZE` should have a snake case name
[INFO] [stderr]    --> src/mnist_images.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let TST_IMG_SIZE: usize = 2000;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `tst_img_size`
[INFO] [stderr] 
[INFO] [stderr] warning: `deep_learning` (bin "deep_learning" test) generated 14 warnings (run `cargo fix --bin "deep_learning" --tests` to apply 5 suggestions)
[INFO] [stderr] warning: `deep_learning` (lib test) generated 75 warnings (53 duplicates) (run `cargo fix --lib -p deep_learning --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_learning-d9bb50f947938113)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test deep_learning::common::test::test_norm_random_vec ... ok
[INFO] [stdout] test deep_learning::common::test::test_numeric_gradient ... ok
[INFO] [stdout] test deep_learning::common::test::test_numeric_gradient2 ... ok
[INFO] [stdout] test deep_learning::graph_plotter::other::graph_plotters_test::test_aa ... ok
[INFO] [stdout] test deep_learning::common::test::test_round_digit_arr1 ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_forward ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_new_random ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_backword_average ... ok
[INFO] [stdout] test deep_learning::common::test::test_round_digit ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_calc_distribute_and_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::affine_direct_value::test::test_affine_direct_value_backward ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_calc_average_and_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_backward ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_backword_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_bias ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_broadcast_rows ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_filter ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_im2col ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_forward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_col2im ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_x ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_forward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_pad_array4 ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::aa ... ok
[INFO] [stdout] test deep_learning::layer::relu::test_mod::test_backward ... ok
[INFO] [stdout] test deep_learning::layer::sigmoid::test_sigmoid_mod::test_backward ... ok
[INFO] [stdout] test deep_learning::layer::sigmoid::test_sigmoid_mod::test_forward ... ok
[INFO] [stdout] test deep_learning::layer::softmax_with_loss::test_softmax_with_loss_mod::test_backward ... ok
[INFO] [stdout] test deep_learning::layer::softmax_with_loss::test_softmax_with_loss_mod::test_crosss_entropy_error ... ok
[INFO] [stdout] test deep_learning::layer::softmax_with_loss::test_softmax_with_loss_mod::test_softmax ... ok
[INFO] [stdout] test deep_learning::layer::relu::test_mod::test_forward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_new_random ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::test_pooling_backward ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::test_pooling_forward ... ok
[INFO] [stdout] test deep_learning::optimizer::adagrad::test_adagrad_mod::update ... ok
[INFO] [stdout] test deep_learning::optimizer::momentum::test::update ... ok
[INFO] [stdout] test deep_learning::optimizer::sgd::test::update ... ok
[INFO] [stdout] test deep_learning::optimizer::adam::test::update ... ok
[INFO] [stdout] test image::test_trans_image::test_inverse_matrix ... ok
[INFO] [stdout] test deep_learning::optimizer::rmsprop::test::update ... ok
[INFO] [stdout] test mnist_images::test::print_img_and_lbl ... ignored
[INFO] [stdout] test image::test_trans_image::test_new ... ok
[INFO] [stdout] test image::test_trans_image::test_resize ... FAILED
[INFO] [stderr] thread 'deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-bitmap-0.3.1/src/bitmap.rs:359:45:
[INFO] [stderr] misaligned pointer dereference: address must be a multiple of 0x8 but is 0x7f389822d8c1
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55cbb5bc1c6c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]    1:     0x55cbb5bc1c6c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x55cbb5bc1c6c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x55cbb5bc1c6c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x55cbb5becd10 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]    5:     0x55cbb5becd10 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]    6:     0x55cbb5bbf50f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]    7:     0x55cbb5bc1a54 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x55cbb5bc1a54 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x55cbb5bc3717 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stderr]   10:     0x55cbb5bc347f - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stderr]   11:     0x55cbb5a10567 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stderr]   12:     0x55cbb5a10567 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stderr]   13:     0x55cbb5bc3d28 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stderr]   14:     0x55cbb5bc3d28 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stderr]   15:     0x55cbb5bc3a7e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stderr]   16:     0x55cbb5bc2136 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stderr]   17:     0x55cbb5bc37e2 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stderr]   18:     0x55cbb57d2278 - core::panicking::panic_nounwind_fmt::h8767c3f35819d636
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:106:14
[INFO] [stderr]   19:     0x55cbb57d24ea - core::panicking::panic_misaligned_pointer_dereference::h69d5e81334dc0203
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:203:5
[INFO] [stderr]   20:     0x55cbb5a8aec0 - <plotters_bitmap::bitmap::RGBPixel as plotters_bitmap::bitmap::PixelFormat>::blend_rect_fast::h7fb52db05f2d635c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-bitmap-0.3.1/src/bitmap.rs:359:45
[INFO] [stderr]   21:     0x55cbb5925bdb - <plotters_bitmap::bitmap::BitMapBackend<P> as plotters_backend::DrawingBackend>::draw_line::h3c1d59a9140e8cac
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-bitmap-0.3.1/src/bitmap.rs:926:17
[INFO] [stderr]   22:     0x55cbb5947ea7 - plotters::coord::ranged2d::cartesian::MeshLine<X,Y>::draw::h78632d0c9f5828b3
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/coord/ranged2d/cartesian.rs:150:9
[INFO] [stderr]   23:     0x55cbb5958e9b - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh_lines::{{closure}}::hfb3794103fe61d1e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/context.rs:192:21
[INFO] [stderr]   24:     0x55cbb5969638 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::{{closure}}::{{closure}}::hb940d0842fb5e4af
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:200:61
[INFO] [stderr]   25:     0x55cbb5949ebe - plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>::draw_mesh::hf0a1ebe279e57dc4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/coord/ranged2d/cartesian.rs:72:13
[INFO] [stderr]   26:     0x55cbb5969467 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::{{closure}}::hd632e83320a03e8a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:199:13
[INFO] [stderr]   27:     0x55cbb5965092 - plotters::drawing::area::DrawingArea<DB,CT>::backend_ops::h9828652eb5187924
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:277:13
[INFO] [stderr]   28:     0x55cbb5969213 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::hae0955af36306883
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:198:9
[INFO] [stderr]   29:     0x55cbb595811b - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh_lines::hd6dbf922c4afe19f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/context.rs:174:9
[INFO] [stderr]   30:     0x55cbb595fe4c - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::h104e15da0ced1054
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/context.rs:484:13
[INFO] [stderr]   31:     0x55cbb594746e - plotters::chart::mesh::MeshStyle<X,Y,DB>::draw::hff086e57b58ab062
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/mesh.rs:438:9
[INFO] [stderr]   32:     0x55cbb58dbed1 - deep_learning::deep_learning::graph_plotter::other::plot_rate::hfea284ddaed6322f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:39:5
[INFO] [stderr]   33:     0x55cbb591bd46 - deep_learning::deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate::hb02a778a676491ec
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:255:9
[INFO] [stderr]   34:     0x55cbb591bc97 - deep_learning::deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate::{{closure}}::h3fcb59d0ab872718
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:253:24
[INFO] [stderr]   35:     0x55cbb59c12e6 - core::ops::function::FnOnce::call_once::hfc954548b45aa4d0
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   36:     0x55cbb5a15bbf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   37:     0x55cbb5a15bbf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stderr]   38:     0x55cbb5a14bd5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stderr]   39:     0x55cbb5a14bd5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   40:     0x55cbb5a14bd5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]   41:     0x55cbb5a14bd5 - std::panicking::try::h232e535e4744fe31
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]   42:     0x55cbb5a14bd5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]   43:     0x55cbb5a14bd5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stderr]   44:     0x55cbb5a14bd5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stderr]   45:     0x55cbb59dce96 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stderr]   46:     0x55cbb59dce96 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stderr]   47:     0x55cbb59e1f47 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stderr]   48:     0x55cbb59e1f47 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   49:     0x55cbb59e1f47 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]   50:     0x55cbb59e1f47 - std::panicking::try::he3a30b11ee45340c
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]   51:     0x55cbb59e1f47 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]   52:     0x55cbb59e1f47 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stderr]   53:     0x55cbb59e1f47 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   54:     0x55cbb5bc87c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   55:     0x55cbb5bc87c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   56:     0x55cbb5bc87c5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   57:     0x7f38993f0ac3 - <unknown>
[INFO] [stderr]   58:     0x7f3899481bf4 - __clone
[INFO] [stderr]   59:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/deep_learning-d9bb50f947938113` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "5244dccf69f02897f111ea3bdd676246475f5fab3c1be1337d9c02506b018432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5244dccf69f02897f111ea3bdd676246475f5fab3c1be1337d9c02506b018432", kill_on_drop: false }`
[INFO] [stdout] 5244dccf69f02897f111ea3bdd676246475f5fab3c1be1337d9c02506b018432
[INFO] testing iofuwisa/learning_rust_dl against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiofuwisa%2Flearning_rust_dl" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iofuwisa/learning_rust_dl on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iofuwisa/learning_rust_dl
[INFO] finished tweaking git repo https://github.com/iofuwisa/learning_rust_dl
[INFO] tweaked toml for git repo https://github.com/iofuwisa/learning_rust_dl written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iofuwisa/learning_rust_dl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9603bb3ea70528dca8c73610085cb40e4f5561805662f75facc78e13fb90a1ca
[INFO] running `Command { std: "docker" "start" "-a" "9603bb3ea70528dca8c73610085cb40e4f5561805662f75facc78e13fb90a1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9603bb3ea70528dca8c73610085cb40e4f5561805662f75facc78e13fb90a1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9603bb3ea70528dca8c73610085cb40e4f5561805662f75facc78e13fb90a1ca", kill_on_drop: false }`
[INFO] [stdout] 9603bb3ea70528dca8c73610085cb40e4f5561805662f75facc78e13fb90a1ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6c6fcb922f72c2244c230dd1e0823ad5224534a1f83cde5b2eaa5be74f5f4f8
[INFO] running `Command { std: "docker" "start" "-a" "b6c6fcb922f72c2244c230dd1e0823ad5224534a1f83cde5b2eaa5be74f5f4f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling font-kit v0.10.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling plotters-bitmap v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling mnist v0.4.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]    Compiling js-sys v0.3.55
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.28
[INFO] [stderr]    Compiling web-sys v0.3.55
[INFO] [stderr]    Compiling deep_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::deep_learning::statistics::*`
[INFO] [stdout]   --> src/deep_learning/common.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::deep_learning::statistics::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/deep_learning/common.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::deep_learning::*`
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::deep_learning::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView1`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ArrayView1,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     s,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/deep_learning/common.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for i in 0..size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 258 |         return self.weight_sum();
[INFO] [stdout]     |                ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_index`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let col_index = y * filter_w + x;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_rows` is never used
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:382:4
[INFO] [stdout]     |
[INFO] [stdout] 382 | fn broadcast_rows(data: &Array2<f64>, row_num: usize) -> Array2<f64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         plot_loss(losses, "loss");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.last_layer.export(&mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `trn_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             trn_img: trn_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `val_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             val_img: val_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `tst_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             tst_img: tst_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trn_lbl`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let trn_lbl = mnist.get_trn_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_lbl`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let tst_lbl = mnist.get_tst_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut trn_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tst_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DROUPOUT_RATE` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const DROUPOUT_RATE: f64 = 0.15;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SGD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SGD_LEARNING_RATE: f64 = 0.001;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MOMENTUM_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const MOMENTUM_FLICTION: f64 = 0.9;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const RMSPROP_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const RMSPROP_FLICTION: f64 = 0.99;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADAGRAD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const ADAGRAD_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_main` is never used
[INFO] [stdout]    --> src/main.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn guess_main() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.04s
[INFO] running `Command { std: "docker" "inspect" "b6c6fcb922f72c2244c230dd1e0823ad5224534a1f83cde5b2eaa5be74f5f4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c6fcb922f72c2244c230dd1e0823ad5224534a1f83cde5b2eaa5be74f5f4f8", kill_on_drop: false }`
[INFO] [stdout] b6c6fcb922f72c2244c230dd1e0823ad5224534a1f83cde5b2eaa5be74f5f4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f1a84f64939b857dee15a006209e3775dd90dc0b999a57882122773444c72a3
[INFO] running `Command { std: "docker" "start" "-a" "9f1a84f64939b857dee15a006209e3775dd90dc0b999a57882122773444c72a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling termtree v0.2.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling mockall_double v0.2.0
[INFO] [stdout] warning: unused import: `crate::deep_learning::statistics::*`
[INFO] [stdout]   --> src/deep_learning/common.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::deep_learning::statistics::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/deep_learning/common.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::deep_learning::*`
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::deep_learning::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView1`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ArrayView1,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     s,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/deep_learning/common.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for i in 0..size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 258 |         return self.weight_sum();
[INFO] [stdout]     |                ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_index`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let col_index = y * filter_w + x;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_rows` is never used
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:382:4
[INFO] [stdout]     |
[INFO] [stdout] 382 | fn broadcast_rows(data: &Array2<f64>, row_num: usize) -> Array2<f64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         plot_loss(losses, "loss");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.last_layer.export(&mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `trn_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             trn_img: trn_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `val_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             val_img: val_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `tst_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             tst_img: tst_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.28
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling mockall v0.10.2
[INFO] [stderr]    Compiling deep_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/main.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trn_lbl`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let trn_lbl = mnist.get_trn_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_lbl`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let tst_lbl = mnist.get_tst_lbl();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut trn_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tst_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DROUPOUT_RATE` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const DROUPOUT_RATE: f64 = 0.15;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SGD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SGD_LEARNING_RATE: f64 = 0.001;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MOMENTUM_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const MOMENTUM_FLICTION: f64 = 0.9;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const RMSPROP_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RMSPROP_FLICTION` is never used
[INFO] [stdout]   --> src/main.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const RMSPROP_FLICTION: f64 = 0.99;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADAGRAD_LEARNING_RATE` is never used
[INFO] [stdout]   --> src/main.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const ADAGRAD_LEARNING_RATE: f64 = 0.1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_main` is never used
[INFO] [stdout]    --> src/main.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn guess_main() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `measure_execute_time` is never used
[INFO] [stdout]    --> src/main.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn measure_execute_time(f: &dyn Fn()) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/deep_learning/common.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::deep_learning::*`
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::deep_learning::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `s`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     s,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/image.rs:157:41
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout]     |                                         ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 -                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stdout] 157 +                     print!("{}", if img[i*width+j] > 0.0 {"*"} else {" "});
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stdout]   |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/deep_learning/common.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for i in 0..size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lerning_rate`
[INFO] [stdout]    --> src/deep_learning/common.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let lerning_rate = 0.05;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lerning_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let mut x_value = arr2(&
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/affine.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let mut w_value = arr2(&
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bias`
[INFO] [stdout]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 258 |         return self.weight_sum();
[INFO] [stdout]     |                ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_index`
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let col_index = y * filter_w + x;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deep_learning/layer/convolution.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |         let mut conv = Convolution::new_random(
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_b`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1278:14
[INFO] [stdout]      |
[INFO] [stdout] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stdout]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_x_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_c`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1278:19
[INFO] [stdout]      |
[INFO] [stdout] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stdout]      |                   ^^^ help: if this is intentional, prefix it with an underscore: `_x_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_b`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1280:14
[INFO] [stdout]      |
[INFO] [stdout] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stdout]      |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter_c`
[INFO] [stdout]     --> src/deep_learning/layer/convolution.rs:1280:24
[INFO] [stdout]      |
[INFO] [stdout] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/image.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |             for j in 0..width+2 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/graph_plotter/other.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         plot_rate(data, "test_rate");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let _ = plot_rate(data, "test_rate");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/graph_plotter/other.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         plot_histogram(data, "test_histo");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let _ = plot_histogram(data, "test_histo");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `softmaxLoss` should have a snake case name
[INFO] [stdout]    --> src/deep_learning/layer/softmax_with_loss.rs:293:17
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut softmaxLoss= SoftmaxWithLoss::new(x, t.clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `softmax_loss`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         plot_loss(losses, "loss");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.last_layer.export(&mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `trn_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             trn_img: trn_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `val_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             val_img: val_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `tst_img:` in this pattern is redundant
[INFO] [stdout]   --> src/mnist_images.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             tst_img: tst_img,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TRN_IMG_SIZE` should have a snake case name
[INFO] [stdout]    --> src/mnist_images.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let TRN_IMG_SIZE: usize = 5000;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `trn_img_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `VAL_IMG_SIZE` should have a snake case name
[INFO] [stdout]    --> src/mnist_images.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let VAL_IMG_SIZE: usize = 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `val_img_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TST_IMG_SIZE` should have a snake case name
[INFO] [stdout]    --> src/mnist_images.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let TST_IMG_SIZE: usize = 2000;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `tst_img_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 75 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "9f1a84f64939b857dee15a006209e3775dd90dc0b999a57882122773444c72a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1a84f64939b857dee15a006209e3775dd90dc0b999a57882122773444c72a3", kill_on_drop: false }`
[INFO] [stdout] 9f1a84f64939b857dee15a006209e3775dd90dc0b999a57882122773444c72a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d12102f900c202b510751f24b01d083c6d9ee8c5ccaa6bc260cb075e16c2d48
[INFO] running `Command { std: "docker" "start" "-a" "7d12102f900c202b510751f24b01d083c6d9ee8c5ccaa6bc260cb075e16c2d48", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::deep_learning::statistics::*`
[INFO] [stderr]   --> src/deep_learning/common.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::deep_learning::statistics::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/deep_learning/common.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr]    |                                  ^      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 -             print!("{} ", if img[(i*28+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr] 95 +             print!("{} ", if img[i*28+j] > 0.0 {"*"} else {" "});
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::deep_learning::*`
[INFO] [stderr]   --> src/deep_learning/layer/direct_value.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::deep_learning::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/affine.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/affine_direct_value.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^                  ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/relu.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/sigmoid.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/batch_norm.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/softmax_with_loss.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/dropout.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/convolution.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/pooling.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ArrayView1`
[INFO] [stderr]  --> src/deep_learning/layer/pooling.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ArrayView1,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `s`
[INFO] [stderr]  --> src/image.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     s,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/network_layer.rs:21:57
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/direct_value.rs:80:57
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/affine.rs:166:57
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:112:57
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/relu.rs:91:57
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deep_learning/layer/sigmoid.rs:95:57
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/batch_norm.rs:236:57
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/softmax_with_loss.rs:122:57
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/dropout.rs:115:57
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:261:57
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/layer/pooling.rs:173:57
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn export(&self, file: &mut File) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/neural_network.rs:124:75
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<std::error::Error>> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn import_from_file(file_path: &str) -> Result<NeuralNetwork, Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deep_learning/neural_network.rs:148:44
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn export(&self) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn export(&self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/direct_value.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/affine_direct_value.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufRead, BufReader, Lines};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/pooling.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/convolution.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/deep_learning/layer/softmax_with_loss.rs:3:45
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/deep_learning/common.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     for i in 0..size {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/deep_learning/layer/network_layer.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn export(&self, file: &mut File) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dw`
[INFO] [stderr]    --> src/deep_learning/layer/batch_norm.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let dw = backword_broadcast(&(normalized * &dout));
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]    --> src/deep_learning/layer/batch_norm.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let db = dout.sum_axis(Axis(0)).to_shared().reshape((1, w.shape()[1])).to_owned();
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter`
[INFO] [stderr]   --> src/deep_learning/layer/dropout.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let filter = neural_network::import_network_layer(lines);
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bias`
[INFO] [stderr]   --> src/deep_learning/layer/dropout.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let bias = neural_network::import_network_layer(lines);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bias`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `batch_num`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:181:18
[INFO] [stderr]     |
[INFO] [stderr] 181 |             let (batch_num, _channel_num, _data_h, _data_w) = self.x_shape;
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter_num`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:182:18
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let (filter_num, _channel_num, filter_h, filter_w) = self.filter_shape;
[INFO] [stderr]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `batch_num`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:202:14
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let (batch_num, channel_num, x_h, x_w) = self.x_shape;
[INFO] [stderr]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn weight_sum(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 258 |         return self.weight_sum();
[INFO] [stderr]     |                ----------------- recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col_index`
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:294:17
[INFO] [stderr]     |
[INFO] [stderr] 294 |             let col_index = y * filter_w + x;
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/momentum.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/rmsprop.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut velocity = self.velocity.as_mut().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/adagrad.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut grad_squared_sum = self.grad_squared_sum.as_mut().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/adam.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut m = self.m.as_mut().unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/deep_learning/optimizer/adam.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut v = self.v.as_mut().unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `broadcast_rows` is never used
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:382:4
[INFO] [stderr]     |
[INFO] [stderr] 382 | fn broadcast_rows(data: &Array2<f64>, row_num: usize) -> Array2<f64> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let _ = plot_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/deep_learning/neural_network.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         plot_rate(correct_rates, "correct_rate");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let _ = plot_rate(correct_rates, "correct_rate");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/deep_learning/neural_network.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         plot_loss(losses, "loss");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let _ = plot_loss(losses, "loss");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/neural_network.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         self.last_layer.export(&mut file);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let _ = self.last_layer.export(&mut file);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: the `trn_img:` in this pattern is redundant
[INFO] [stderr]   --> src/mnist_images.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             trn_img: trn_img,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `trn_img`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `val_img:` in this pattern is redundant
[INFO] [stderr]   --> src/mnist_images.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             val_img: val_img,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `val_img`
[INFO] [stderr] 
[INFO] [stderr] warning: the `tst_img:` in this pattern is redundant
[INFO] [stderr]   --> src/mnist_images.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             tst_img: tst_img,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `tst_img`
[INFO] [stderr] 
[INFO] [stderr] warning: `deep_learning` (lib) generated 59 warnings (run `cargo fix --lib -p deep_learning` to apply 47 suggestions)
[INFO] [stderr] warning: unused imports: `BufReader`, `Lines`, `Read`, `self`
[INFO] [stderr]  --> src/deep_learning/layer/direct_value.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Read, Write, BufReader, BufRead, Lines};
[INFO] [stderr]   |               ^^^^  ^^^^         ^^^^^^^^^           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/image.rs:157:41
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr]     |                                         ^         ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 157 -                     print!("{}", if img[(i*width+j)] > 0.0 {"*"} else {" "});
[INFO] [stderr] 157 +                     print!("{}", if img[i*width+j] > 0.0 {"*"} else {" "});
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lerning_rate`
[INFO] [stderr]    --> src/deep_learning/common.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let lerning_rate = 0.05;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lerning_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/affine.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut x_value = arr2(&
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/affine.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |         let mut w_value = arr2(&
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut df = col_x_2d.t().dot(&dout_2d).t().to_owned();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/deep_learning/layer/convolution.rs:420:13
[INFO] [stderr]     |
[INFO] [stderr] 420 |         let mut conv = Convolution::new_random(
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_b`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1278:14
[INFO] [stderr]      |
[INFO] [stderr] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stderr]      |              ^^^ help: if this is intentional, prefix it with an underscore: `_x_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_c`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1278:19
[INFO] [stderr]      |
[INFO] [stderr] 1278 |         let (x_b, x_c, x_h, x_w) = x_shape;
[INFO] [stderr]      |                   ^^^ help: if this is intentional, prefix it with an underscore: `_x_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter_b`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1280:14
[INFO] [stderr]      |
[INFO] [stderr] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stderr]      |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filter_c`
[INFO] [stderr]     --> src/deep_learning/layer/convolution.rs:1280:24
[INFO] [stderr]      |
[INFO] [stderr] 1280 |         let (filter_b, filter_c, filter_h, filter_w) = filter_shape;
[INFO] [stderr]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/image.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |             for j in 0..width+2 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/graph_plotter/other.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         plot_rate(data, "test_rate");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let _ = plot_rate(data, "test_rate");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/graph_plotter/other.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         plot_histogram(data, "test_histo");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let _ = plot_histogram(data, "test_histo");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/deep_learning/layer/affine_direct_value.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let _ = plot_bias_histogram(self.value.clone().into_iter().collect(), &self.name);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `softmaxLoss` should have a snake case name
[INFO] [stderr]    --> src/deep_learning/layer/softmax_with_loss.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let mut softmaxLoss= SoftmaxWithLoss::new(x, t.clone());
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `softmax_loss`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TRN_IMG_SIZE` should have a snake case name
[INFO] [stderr]    --> src/mnist_images.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let TRN_IMG_SIZE: usize = 5000;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `trn_img_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `VAL_IMG_SIZE` should have a snake case name
[INFO] [stderr]    --> src/mnist_images.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let VAL_IMG_SIZE: usize = 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `val_img_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TST_IMG_SIZE` should have a snake case name
[INFO] [stderr]    --> src/mnist_images.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let TST_IMG_SIZE: usize = 2000;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `tst_img_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/main.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trn_lbl`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let trn_lbl = mnist.get_trn_lbl();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_lbl`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let tst_lbl = mnist.get_tst_lbl();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut trn_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut tst_img_bi = Array2::<f64>::from_shape_fn(
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DROUPOUT_RATE` is never used
[INFO] [stderr]   --> src/main.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | const DROUPOUT_RATE: f64 = 0.15;
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SGD_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 | const SGD_LEARNING_RATE: f64 = 0.001;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MOMENTUM_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 | const MOMENTUM_LEARNING_RATE: f64 = 0.1;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MOMENTUM_FLICTION` is never used
[INFO] [stderr]   --> src/main.rs:23:7
[INFO] [stderr]    |
[INFO] [stderr] 23 | const MOMENTUM_FLICTION: f64 = 0.9;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RMSPROP_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | const RMSPROP_LEARNING_RATE: f64 = 0.1;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RMSPROP_FLICTION` is never used
[INFO] [stderr]   --> src/main.rs:25:7
[INFO] [stderr]    |
[INFO] [stderr] 25 | const RMSPROP_FLICTION: f64 = 0.99;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ADAGRAD_LEARNING_RATE` is never used
[INFO] [stderr]   --> src/main.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 | const ADAGRAD_LEARNING_RATE: f64 = 0.1;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `guess_main` is never used
[INFO] [stderr]    --> src/main.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn guess_main() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `measure_execute_time` is never used
[INFO] [stderr]    --> src/main.rs:218:8
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn measure_execute_time(f: &dyn Fn()) -> u128 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `deep_learning` (lib test) generated 75 warnings (53 duplicates) (run `cargo fix --lib -p deep_learning --tests` to apply 15 suggestions)
[INFO] [stderr] warning: `deep_learning` (bin "deep_learning" test) generated 14 warnings (run `cargo fix --bin "deep_learning" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_learning-7fe434235edb349b)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test deep_learning::common::test::test_numeric_gradient ... ok
[INFO] [stdout] test deep_learning::common::test::test_numeric_gradient2 ... ok
[INFO] [stdout] test deep_learning::common::test::test_round_digit_arr1 ... ok
[INFO] [stdout] test deep_learning::graph_plotter::other::graph_plotters_test::test_aa ... ok
[INFO] [stdout] test deep_learning::common::test::test_round_digit ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_backward ... ok
[INFO] [stdout] test deep_learning::common::test::test_norm_random_vec ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_backword_average ... ok
[INFO] [stdout] test deep_learning::layer::affine_direct_value::test::test_affine_direct_value_backward ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_forward ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_calc_average_and_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_new_random ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_calc_distribute_and_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_backword_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_x ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_bias ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_col2im ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_filter ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_im2col ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_broadcast_rows ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_forward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_new_random ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::aa ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::test_pooling_forward ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::test_pooling_backward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_pad_array4 ... ok
[INFO] [stdout] test deep_learning::layer::relu::test_mod::test_backward ... ok
[INFO] [stdout] test deep_learning::layer::relu::test_mod::test_forward ... ok
[INFO] [stdout] test deep_learning::layer::sigmoid::test_sigmoid_mod::test_forward ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_forward ... ok
[INFO] [stdout] test deep_learning::layer::sigmoid::test_sigmoid_mod::test_backward ... ok
[INFO] [stdout] test deep_learning::layer::softmax_with_loss::test_softmax_with_loss_mod::test_softmax ... ok
[INFO] [stdout] test deep_learning::layer::softmax_with_loss::test_softmax_with_loss_mod::test_crosss_entropy_error ... ok
[INFO] [stdout] test deep_learning::optimizer::adagrad::test_adagrad_mod::update ... ok
[INFO] [stdout] test deep_learning::layer::softmax_with_loss::test_softmax_with_loss_mod::test_backward ... ok
[INFO] [stdout] test deep_learning::optimizer::momentum::test::update ... ok
[INFO] [stdout] test deep_learning::optimizer::sgd::test::update ... ok
[INFO] [stdout] test image::test_trans_image::test_inverse_matrix ... ok
[INFO] [stdout] test image::test_trans_image::test_new ... ok
[INFO] [stdout] test deep_learning::optimizer::adam::test::update ... ok
[INFO] [stdout] test deep_learning::optimizer::rmsprop::test::update ... ok
[INFO] [stdout] test mnist_images::test::print_img_and_lbl ... ignored
[INFO] [stderr] thread 'deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-bitmap-0.3.1/src/bitmap.rs:359:45:
[INFO] [stderr] misaligned pointer dereference: address must be a multiple of 0x8 but is 0x7fbeceffc8c1
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5578de47cf66 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]    1:     0x5578de47cf66 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x5578de47cf66 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x5578de47cf66 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x5578de4a7310 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]    5:     0x5578de4a7310 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]    6:     0x5578de47a8bf - std::io::Write::write_fmt::hfead1eee52c2e65e
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]    7:     0x5578de47cd44 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x5578de47cd44 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x5578de47eab7 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stderr]   10:     0x5578de47e819 - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:292:9
[INFO] [stderr]   11:     0x5578de2cde27 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stderr]   12:     0x5578de2cde27 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stderr]   13:     0x5578de47f0d6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stderr]   14:     0x5578de47f0d6 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stderr]   15:     0x5578de47ee22 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stderr]   16:     0x5578de47d466 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x5578de47eb80 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stderr]   18:     0x5578de08f27a - core::panicking::panic_nounwind_fmt::runtime::hb5f50ebfb7c183b9
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x5578de08f27a - core::panicking::panic_nounwind_fmt::he516aba6085c9891
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:122:9
[INFO] [stderr]   20:     0x5578de08f4ea - core::panicking::panic_misaligned_pointer_dereference::h288b3a1698e7d035
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:221:5
[INFO] [stderr]   21:     0x5578de348110 - <plotters_bitmap::bitmap::RGBPixel as plotters_bitmap::bitmap::PixelFormat>::blend_rect_fast::he272d12f7db21f05
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-bitmap-0.3.1/src/bitmap.rs:359:45
[INFO] [stderr]   22:     0x5578de192e5b - <plotters_bitmap::bitmap::BitMapBackend<P> as plotters_backend::DrawingBackend>::draw_line::h884b791511890e77
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-bitmap-0.3.1/src/bitmap.rs:926:17
[INFO] [stderr]   23:     0x5578de1dd1a7 - plotters::coord::ranged2d::cartesian::MeshLine<X,Y>::draw::h0a655cdefdc0e530
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/coord/ranged2d/cartesian.rs:150:9
[INFO] [stderr]   24:     0x5578de17cc73 - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh_lines::{{closure}}::h8cdce2bcede109c6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/context.rs:192:21
[INFO] [stderr]   25:     0x5578de18d798 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::{{closure}}::{{closure}}::h92abdcfc021bc038
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:200:61
[INFO] [stderr]   26:     0x5578de1de29e - plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>::draw_mesh::h3a6f5c804e02460a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/coord/ranged2d/cartesian.rs:72:13
[INFO] [stderr]   27:     0x5578de18d4d7 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::{{closure}}::h17229d298e1547a7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:199:13
[INFO] [stderr]   28:     0x5578de189c22 - plotters::drawing::area::DrawingArea<DB,CT>::backend_ops::hf28b075dd9da1054
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:277:13
[INFO] [stderr]   29:     0x5578de18d2d3 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::h3f175163be62791d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/drawing/area.rs:198:9
[INFO] [stderr]   30:     0x5578de17bd4f - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh_lines::h9e632f95a96331b8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/context.rs:174:9
[INFO] [stderr]   31:     0x5578de1841ac - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::h1d88af226a8eced0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/context.rs:484:13
[INFO] [stderr]   32:     0x5578de295a7e - plotters::chart::mesh::MeshStyle<X,Y,DB>::draw::h70a73b146d205615
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/plotters-0.3.1/src/chart/mesh.rs:438:9
[INFO] [stderr]   33:     0x5578de18e267 - deep_learning::deep_learning::graph_plotter::other::plot_rate::h68694ad83b880b76
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:39:5
[INFO] [stderr]   34:     0x5578de241126 - deep_learning::deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate::h5b514404a05d9a9e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:255:9
[INFO] [stderr]   35:     0x5578de241077 - deep_learning::deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate::{{closure}}::h8716d5d63d52b279
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:253:24
[INFO] [stderr]   36:     0x5578de19c596 - core::ops::function::FnOnce::call_once::hece8106dbf102588
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   37:     0x5578de2d36ff - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   38:     0x5578de2d36ff - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stderr]   39:     0x5578de2d2481 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stderr]   40:     0x5578de2d2481 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   41:     0x5578de2d2481 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stderr]   42:     0x5578de2d2481 - std::panicking::try::h7309da130f906eb7
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stderr]   43:     0x5578de2d2481 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stderr]   44:     0x5578de2d2481 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stderr]   45:     0x5578de2d2481 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stderr]   46:     0x5578de2997b6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stderr]   47:     0x5578de2997b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   48:     0x5578de29e817 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stderr]   49:     0x5578de29e817 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   50:     0x5578de29e817 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stderr]   51:     0x5578de29e817 - std::panicking::try::h978244d04646189f
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stderr]   52:     0x5578de29e817 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stderr]   53:     0x5578de29e817 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stderr]   54:     0x5578de29e817 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   55:     0x5578de483b95 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stderr]   56:     0x5578de483b95 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stderr]   57:     0x5578de483b95 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   58:     0x7fbed498eac3 - <unknown>
[INFO] [stderr]   59:     0x7fbed4a1fbf4 - __clone
[INFO] [stderr]   60:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/deep_learning-7fe434235edb349b` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "7d12102f900c202b510751f24b01d083c6d9ee8c5ccaa6bc260cb075e16c2d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d12102f900c202b510751f24b01d083c6d9ee8c5ccaa6bc260cb075e16c2d48", kill_on_drop: false }`
[INFO] [stdout] 7d12102f900c202b510751f24b01d083c6d9ee8c5ccaa6bc260cb075e16c2d48
