[INFO] cloning repository https://github.com/iofuwisa/zerotsukudl_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iofuwisa/zerotsukudl_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiofuwisa%2Fzerotsukudl_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiofuwisa%2Fzerotsukudl_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed7f1d8c30618f8f43054270d73430a2cc4badbd
[INFO] testing iofuwisa/zerotsukudl_rust against 1.85.0 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiofuwisa%2Fzerotsukudl_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iofuwisa/zerotsukudl_rust on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iofuwisa/zerotsukudl_rust
[INFO] finished tweaking git repo https://github.com/iofuwisa/zerotsukudl_rust
[INFO] tweaked toml for git repo https://github.com/iofuwisa/zerotsukudl_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iofuwisa/zerotsukudl_rust 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.7.1
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.28
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded termtree v0.2.1
[INFO] [stderr]   Downloaded mnist v0.4.1
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.70
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded ttf-parser v0.12.3
[INFO] [stderr]   Downloaded font-kit v0.10.1
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded gif v0.11.2
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.22
[INFO] [stderr]   Downloaded image v0.23.14
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded weezl v0.1.5
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded png v0.16.8
[INFO] [stderr]   Downloaded rulinalg v0.4.2
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded core-foundation v0.9.1
[INFO] [stderr]   Downloaded core-graphics v0.22.2
[INFO] [stderr]   Downloaded dirs-next v2.0.0
[INFO] [stderr]   Downloaded pkg-config v0.3.19
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded expat-sys v2.1.6
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.102
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded mockall v0.10.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.2
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.2
[INFO] [stderr]   Downloaded freetype v0.7.0
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded core-text v19.2.0
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded dwrote v0.11.0
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.1
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.4
[INFO] [stderr]   Downloaded mockall_double v0.2.0
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded color_quant v1.1.0
[INFO] [stderr]   Downloaded freetype-sys v0.13.1
[INFO] [stderr]   Downloaded servo-fontconfig-sys v5.1.0
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f146221009e2e2366caf1dceef60a545eb78efca2fd51d0b1d195aecf2db36b
[INFO] running `Command { std: "docker" "start" "-a" "1f146221009e2e2366caf1dceef60a545eb78efca2fd51d0b1d195aecf2db36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f146221009e2e2366caf1dceef60a545eb78efca2fd51d0b1d195aecf2db36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f146221009e2e2366caf1dceef60a545eb78efca2fd51d0b1d195aecf2db36b", kill_on_drop: false }`
[INFO] [stdout] 1f146221009e2e2366caf1dceef60a545eb78efca2fd51d0b1d195aecf2db36b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec8b6d84fa1ac1c807cf776debc42f27757ecbf66d1c1973fd6963dd9f42af9b
[INFO] running `Command { std: "docker" "start" "-a" "ec8b6d84fa1ac1c807cf776debc42f27757ecbf66d1c1973fd6963dd9f42af9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cc v1.0.70
[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 wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling mnist v0.4.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling font-kit v0.10.1
[INFO] [stderr]    Compiling plotters-bitmap v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 11`
[INFO] running `Command { std: "docker" "inspect" "ec8b6d84fa1ac1c807cf776debc42f27757ecbf66d1c1973fd6963dd9f42af9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8b6d84fa1ac1c807cf776debc42f27757ecbf66d1c1973fd6963dd9f42af9b", kill_on_drop: false }`
[INFO] [stdout] ec8b6d84fa1ac1c807cf776debc42f27757ecbf66d1c1973fd6963dd9f42af9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cebbe3045d9573b834331353a4cd0d5333e7ec2d49619bba2ecdcbf2edf1a8
[INFO] running `Command { std: "docker" "start" "-a" "29cebbe3045d9573b834331353a4cd0d5333e7ec2d49619bba2ecdcbf2edf1a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[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 normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling termtree v0.2.1
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling mockall_double v0.2.0
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.28
[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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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/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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 11`
[INFO] running `Command { std: "docker" "inspect" "29cebbe3045d9573b834331353a4cd0d5333e7ec2d49619bba2ecdcbf2edf1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cebbe3045d9573b834331353a4cd0d5333e7ec2d49619bba2ecdcbf2edf1a8", kill_on_drop: false }`
[INFO] [stdout] 29cebbe3045d9573b834331353a4cd0d5333e7ec2d49619bba2ecdcbf2edf1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84bcdea6a2b2726a044a11e6e54953c6a9fbce5830e5c5c9c53f1eb279603310
[INFO] running `Command { std: "docker" "start" "-a" "84bcdea6a2b2726a044a11e6e54953c6a9fbce5830e5c5c9c53f1eb279603310", 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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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`, and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: unused imports: `BufReader`, `Lines`, `Read`, and `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` (lib) generated 59 warnings (run `cargo fix --lib -p deep_learning` to apply 37 suggestions)
[INFO] [stderr] warning: `deep_learning` (lib test) generated 75 warnings (53 duplicates) (run `cargo fix --lib -p deep_learning --tests` to apply 6 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: `deep_learning` (bin "deep_learning" test) generated 14 warnings (run `cargo fix --bin "deep_learning" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 11`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_learning-9112bfa60c7adfdf)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test deep_learning::common::test::test_round_digit_arr1 ... ok
[INFO] [stdout] test deep_learning::common::test::test_round_digit ... ok
[INFO] [stdout] test deep_learning::common::test::test_numeric_gradient ... ok
[INFO] [stdout] test deep_learning::graph_plotter::other::graph_plotters_test::test_aa ... ok
[INFO] [stdout] test deep_learning::common::test::test_numeric_gradient2 ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_new_random ... ok
[INFO] [stdout] test deep_learning::layer::affine_direct_value::test::test_affine_direct_value_backward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_broadcast_rows ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_col2im ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_backword_average ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_backword_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_forward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_pad_array4 ... 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_calc_average_and_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_calc_distribute_and_broadcast ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_filter ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_new_random ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_x ... 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::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::common::test::test_norm_random_vec ... ok
[INFO] [stdout] test deep_learning::layer::relu::test_mod::test_forward ... ok
[INFO] [stdout] test deep_learning::layer::softmax_with_loss::test_softmax_with_loss_mod::test_softmax ... ok
[INFO] [stdout] test deep_learning::layer::sigmoid::test_sigmoid_mod::test_forward ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::test_pooling_forward ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_forward ... ok
[INFO] [stdout] test deep_learning::optimizer::adam::test::update ... ok
[INFO] [stdout] test deep_learning::layer::pooling::test::test_pooling_backward ... ok
[INFO] [stdout] test deep_learning::optimizer::adagrad::test_adagrad_mod::update ... ok
[INFO] [stdout] test deep_learning::layer::convolution::test::test_convolution_backword_bias ... ok
[INFO] [stdout] test deep_learning::layer::sigmoid::test_sigmoid_mod::test_backward ... ok
[INFO] [stdout] test deep_learning::layer::affine::test::test_affine_backward ... ok
[INFO] [stdout] test deep_learning::optimizer::rmsprop::test::update ... ok
[INFO] [stdout] test deep_learning::optimizer::momentum::test::update ... ok
[INFO] [stdout] test image::test_trans_image::test_inverse_matrix ... 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 deep_learning::optimizer::sgd::test::update ... ok
[INFO] [stdout] test deep_learning::layer::batch_norm::test::test_batch_norm_forward ... ok
[INFO] [stdout] test image::test_trans_image::test_resize ... FAILED
[INFO] [stderr] 
[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-1949cf8c6b5b557f/plotters-bitmap-0.3.1/src/bitmap.rs:359:45:
[INFO] [stderr] misaligned pointer dereference: address must be a multiple of 0x8 but is 0x7e4ed36178c1
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5d411d03656a - std::backtrace_rs::backtrace::libunwind::trace::h88deb10bd0145eb8
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]    1:     0x5d411d03656a - std::backtrace_rs::backtrace::trace_unsynchronized::he1036f5481c14dff
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x5d411d03656a - std::sys::backtrace::_print_fmt::hecc345b6e70c4b20
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5d411d03656a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he089f96442833f67
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5d411d05db33 - core::fmt::rt::Argument::fmt::h1f77cded99c71a14
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]    5:     0x5d411d05db33 - core::fmt::write::h2f210ed4c94745cb
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/mod.rs:1440:21
[INFO] [stderr]    6:     0x5d411d0332d3 - std::io::Write::write_fmt::h7de08171ab770fb2
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]    7:     0x5d411d0363b2 - std::sys::backtrace::BacktraceLock::print::h810fbd31421329e6
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    8:     0x5d411d037aa0 - std::panicking::default_hook::{{closure}}::hbaad47ed9dc6356d
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:295:22
[INFO] [stderr]    9:     0x5d411d037880 - std::panicking::default_hook::h24e207139139d40a
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:322:9
[INFO] [stderr]   10:     0x5d411ceafbd3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h63353c459bb27956
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   11:     0x5d411ceafbd3 - test::test_main::{{closure}}::hd5af4d6c4e32fe08
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:134:21
[INFO] [stderr]   12:     0x5d411d0382d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3af32c23caf5c679
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   13:     0x5d411d0382d3 - std::panicking::rust_panic_with_hook::ha9131beeb2ddc506
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:836:13
[INFO] [stderr]   14:     0x5d411d037faa - std::panicking::begin_panic_handler::{{closure}}::h1bba0eaeb6da506f
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:701:13
[INFO] [stderr]   15:     0x5d411d036a69 - std::sys::backtrace::__rust_end_short_backtrace::h1d1ca3eade483f4c
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]   16:     0x5d411d037c3d - rust_begin_unwind
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:692:5
[INFO] [stderr]   17:     0x5d411cc8832d - core::panicking::panic_nounwind_fmt::runtime::hdd2d1a56a8b6cee7
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:117:22
[INFO] [stderr]   18:     0x5d411cc8832d - core::panicking::panic_nounwind_fmt::h0d5ff668f956fac4
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/intrinsics/mod.rs:3869:9
[INFO] [stderr]   19:     0x5d411cc88511 - core::panicking::panic_misaligned_pointer_dereference::h4193c61286f97faf
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:286:5
[INFO] [stderr]   20:     0x5d411cf15161 - <plotters_bitmap::bitmap::RGBPixel as plotters_bitmap::bitmap::PixelFormat>::blend_rect_fast::h730bd0858254e64c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-bitmap-0.3.1/src/bitmap.rs:359:45
[INFO] [stderr]   21:     0x5d411cd8f052 - <plotters_bitmap::bitmap::BitMapBackend<P> as plotters_backend::DrawingBackend>::draw_line::h92da570c84078d5d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-bitmap-0.3.1/src/bitmap.rs:926:17
[INFO] [stderr]   22:     0x5d411ce2bd77 - plotters::coord::ranged2d::cartesian::MeshLine<X,Y>::draw::h5c7452d193dcb66b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/coord/ranged2d/cartesian.rs:150:9
[INFO] [stderr]   23:     0x5d411cdab7e4 - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh_lines::{{closure}}::h106eb1488aa35cc7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/chart/context.rs:192:21
[INFO] [stderr]   24:     0x5d411cd77ee8 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::{{closure}}::{{closure}}::hb4ba40e527102783
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/drawing/area.rs:200:61
[INFO] [stderr]   25:     0x5d411ce2cdc0 - plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>::draw_mesh::h532e8ba6312bbac3
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/coord/ranged2d/cartesian.rs:72:13
[INFO] [stderr]   26:     0x5d411cd77ca3 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::{{closure}}::h64e78329174d9c90
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/drawing/area.rs:199:13
[INFO] [stderr]   27:     0x5d411cd72e05 - plotters::drawing::area::DrawingArea<DB,CT>::backend_ops::ha6080a0cb04379f8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/drawing/area.rs:277:13
[INFO] [stderr]   28:     0x5d411cd77a73 - plotters::drawing::area::DrawingArea<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::h63f0262c9466f2aa
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/drawing/area.rs:198:9
[INFO] [stderr]   29:     0x5d411cdaabcf - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh_lines::h5d8d8b1d2df58939
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/chart/context.rs:174:9
[INFO] [stderr]   30:     0x5d411cdb3013 - plotters::chart::context::ChartContext<DB,plotters::coord::ranged2d::cartesian::Cartesian2d<X,Y>>::draw_mesh::h413d833f1260714d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/chart/context.rs:484:13
[INFO] [stderr]   31:     0x5d411cdfbff8 - plotters::chart::mesh::MeshStyle<X,Y,DB>::draw::h41d52975456d6f55
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.1/src/chart/mesh.rs:438:9
[INFO] [stderr]   32:     0x5d411cdb56fc - deep_learning::deep_learning::graph_plotter::other::plot_rate::h3fa9a6e1d702dfba
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:39:5
[INFO] [stderr]   33:     0x5d411cde7e19 - deep_learning::deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate::hc597d2405b28928a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:255:9
[INFO] [stderr]   34:     0x5d411cde7d67 - deep_learning::deep_learning::graph_plotter::other::graph_plotters_test::test_plot_rate::{{closure}}::hcf63368648dabf88
[INFO] [stderr]                                at /opt/rustwide/workdir/src/deep_learning/graph_plotter/other.rs:253:24
[INFO] [stderr]   35:     0x5d411cd46536 - core::ops::function::FnOnce::call_once::ha4d6f4c15b7eb03b
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   36:     0x5d411ceb537b - core::ops::function::FnOnce::call_once::h8acc80b5a33ff319
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   37:     0x5d411ceb537b - test::__rust_begin_short_backtrace::h52b6da716ad42b7d
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:632:18
[INFO] [stderr]   38:     0x5d411ceb42b3 - test::run_test_in_process::{{closure}}::h2580047890abbefe
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:60
[INFO] [stderr]   39:     0x5d411ceb42b3 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h936f8c89d0a99c40
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   40:     0x5d411ceb42b3 - std::panicking::try::do_call::h868682cc368697f9
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40
[INFO] [stderr]   41:     0x5d411ceb42b3 - std::panicking::try::h0356ffc38cbb5501
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19
[INFO] [stderr]   42:     0x5d411ceb42b3 - std::panic::catch_unwind::h74edf102a3082536
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14
[INFO] [stderr]   43:     0x5d411ceb42b3 - test::run_test_in_process::hc27d69576b7224e4
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:27
[INFO] [stderr]   44:     0x5d411ceb42b3 - test::run_test::{{closure}}::h9f3bfaf910429adb
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:576:43
[INFO] [stderr]   45:     0x5d411ce77fe5 - test::run_test::{{closure}}::h3d537cdce8ec5816
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:606:41
[INFO] [stderr]   46:     0x5d411ce77fe5 - std::sys::backtrace::__rust_begin_short_backtrace::hb51d9a6c67ec382d
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]   47:     0x5d411ce7ba26 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5738f3abb9603fe6
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:564:17
[INFO] [stderr]   48:     0x5d411ce7ba26 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5e9f4b56e45e8108
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   49:     0x5d411ce7ba26 - std::panicking::try::do_call::ha36db853b2f34e23
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40
[INFO] [stderr]   50:     0x5d411ce7ba26 - std::panicking::try::h57e1aa33a0efb1be
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19
[INFO] [stderr]   51:     0x5d411ce7ba26 - std::panic::catch_unwind::hdb71a6103024936e
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14
[INFO] [stderr]   52:     0x5d411ce7ba26 - std::thread::Builder::spawn_unchecked_::{{closure}}::h8caa22218f423ab1
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:562:30
[INFO] [stderr]   53:     0x5d411ce7ba26 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb3b44780e9c053e5
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   54:     0x5d411d03c14b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2649f14f1b1c150d
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9
[INFO] [stderr]   55:     0x5d411d03c14b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb2ade58cb34e1bc4
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9
[INFO] [stderr]   56:     0x5d411d03c14b - std::sys::pal::unix::thread::Thread::new::thread_start::ha07e360225fa3528
[INFO] [stderr]                                at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stderr]   57:     0x7e4eda662ac3 - <unknown>
[INFO] [stderr]   58:     0x7e4eda6f3a04 - 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-9112bfa60c7adfdf` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "84bcdea6a2b2726a044a11e6e54953c6a9fbce5830e5c5c9c53f1eb279603310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84bcdea6a2b2726a044a11e6e54953c6a9fbce5830e5c5c9c53f1eb279603310", kill_on_drop: false }`
[INFO] [stdout] 84bcdea6a2b2726a044a11e6e54953c6a9fbce5830e5c5c9c53f1eb279603310
