[INFO] cloning repository https://github.com/Mikndesu/O-reilly-Deep-Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mikndesu/O-reilly-Deep-Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikndesu%2FO-reilly-Deep-Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikndesu%2FO-reilly-Deep-Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18896afd6745f485b5be1c9f0418a0b5decfdcc1
[INFO] testing Mikndesu/O-reilly-Deep-Learning against beta-2025-02-28 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikndesu%2FO-reilly-Deep-Learning" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mikndesu/O-reilly-Deep-Learning on toolchain beta-2025-02-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Mikndesu/O-reilly-Deep-Learning
[INFO] finished tweaking git repo https://github.com/Mikndesu/O-reilly-Deep-Learning
[INFO] tweaked toml for git repo https://github.com/Mikndesu/O-reilly-Deep-Learning written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mikndesu/O-reilly-Deep-Learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da3dfd859dd5fabfa1f54c7f91e9f4218b04f8e0c8a0e383d43b03e98027773
[INFO] running `Command { std: "docker" "start" "-a" "6da3dfd859dd5fabfa1f54c7f91e9f4218b04f8e0c8a0e383d43b03e98027773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da3dfd859dd5fabfa1f54c7f91e9f4218b04f8e0c8a0e383d43b03e98027773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da3dfd859dd5fabfa1f54c7f91e9f4218b04f8e0c8a0e383d43b03e98027773", kill_on_drop: false }`
[INFO] [stdout] 6da3dfd859dd5fabfa1f54c7f91e9f4218b04f8e0c8a0e383d43b03e98027773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9da5ba75fcfbb07c464c189353950b4a821a7bc216b26fc0c20741902d1e17a
[INFO] running `Command { std: "docker" "start" "-a" "c9da5ba75fcfbb07c464c189353950b4a821a7bc216b26fc0c20741902d1e17a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling wide v0.7.13
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling exr v1.71.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling const-cstr v0.3.0
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling tiff v0.9.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling ttf-parser v0.17.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling image v0.24.7
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling h2 v0.3.22
[INFO] [stderr]    Compiling plotters-bitmap v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling nalgebra v0.32.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.23
[INFO] [stderr]    Compiling mylib v0.1.0 (/opt/rustwide/workdir/mylib)
[INFO] [stderr]    Compiling multi_layer_net v0.1.0 (/opt/rustwide/workdir/multi_layer_net)
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]   --> multi_layer_net/src/layers/affine_layer.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/relu_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/sigmoid_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> multi_layer_net/src/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_vector_rowwise` is never used
[INFO] [stdout]   --> multi_layer_net/src/lib.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn broadcast_vector_rowwise<T: Scalar + Copy + Debug + rand_distr::num_traits::Zero>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size`, `hidden_size_list`, and `output_size` are never read
[INFO] [stdout]   --> multi_layer_net/src/multi_layer_net_extended.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct MultiLayerNetExtended {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] 17 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     hidden_size_list: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling oreilly_deep_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `and` is never used
[INFO] [stdout]  --> src/chapter2/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn and(x1: f64, x2: f64) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nand` is never used
[INFO] [stdout]   --> src/chapter2/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn nand(x1: f64, x2: f64) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `or` is never used
[INFO] [stdout]   --> src/chapter2/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn or(x1: f64, x2: f64) -> i32 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor` is never used
[INFO] [stdout]   --> src/chapter2/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn xor(x1: f64, x2: f64) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `na::dmatrix`
[INFO] [stdout]  --> src/chapter6/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use na::dmatrix;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoParallelRefIterator` and `ParallelBridge`
[INFO] [stdout]   --> src/chapter6/main.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multi_layer_net::multi_layer_net`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use multi_layer_net::multi_layer_net;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sgd`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     optimiser::{sgd, sgd_ext},
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoFont`, `RED`, `WHITE`, `backend::BitMapBackend`, `chart::ChartBuilder`, `drawing::IntoDrawingArea`, and `series::LineSeries`
[INFO] [stdout]   --> src/chapter3/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     backend::BitMapBackend,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7  |     chart::ChartBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  |     drawing::IntoDrawingArea,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     series::LineSeries,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     style::{IntoFont, RED, WHITE},
[INFO] [stdout]    |             ^^^^^^^^  ^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::{Ref, RefCell},
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DatasetType`, `load_label`, `load_normalised_image`, and `self`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mylib::mnist::{self, load_label, load_normalised_image, DatasetType};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dmatrix`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use na::{dmatrix, DMatrix, Scalar};
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DMatrix`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nalgebra::{DMatrix, DVector};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DatasetType`, `load_label`, `load_normalised_image`, and `self`
[INFO] [stdout]  --> src/chapter4/two_layer_net.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mylib::mnist::{self, load_label, load_normalised_image, DatasetType};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OMatrix`
[INFO] [stdout]  --> src/chapter4/main.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use na::{DVector, Dyn, OMatrix};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_img_label`
[INFO] [stdout]   --> src/chapter3/show_mnist.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let train_img_label = mnist::load_label(mnist::DatasetType::TestLabel, &dataset_dir);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_img_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Network` is never constructed
[INFO] [stdout]   --> src/chapter3/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Network {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Network {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_function` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn step_function(x: na::RowDVector<f64>) -> na::RowDVector<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn sigmoid(x: na::RowDVector<f64>) -> na::RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn relu(x: na::RowDVector<f64>) -> na::RowDVector<f64> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `softmax` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn softmax(x: na::RowDVector<f64>) -> RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identity_fucntion` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn identity_fucntion(x: na::RowDVector<f64>) -> na::RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `forward` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn forward() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_layer` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn first_layer(x: na::RowVector2<f64>, network: &Network) -> na::RowVector3<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `second_layer` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn second_layer(z1: na::RowVector3<f64>, network: &Network) -> na::RowVector2<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `output_layer` is never used
[INFO] [stdout]    --> src/chapter3/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn output_layer(z2: na::RowVector2<f64>, network: &Network) -> na::RowDVector<f64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `img_show` is never used
[INFO] [stdout]  --> src/chapter3/show_mnist.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn img_show() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_img_from_matrix` is never used
[INFO] [stdout]   --> src/chapter3/show_mnist.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn save_img_from_matrix(matrix: na::OMatrix<u8, Const<28>, Const<28>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedParallelIterator`
[INFO] [stdout]   --> src/chapter6/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParallelIterator`
[INFO] [stdout]   --> src/chapter6/main.rs:13:71
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradient_descent` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn gradient_descent(f: fn(&na::DVector<f64>) -> f64, init_x: na::DVector<f64>) -> na::DVector<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `numerical_diff` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn numerical_diff(f: fn(f64) -> f64, x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `numerical_gradient` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn numerical_gradient(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_squared_error` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn sum_squared_error(y: na::DVector<f64>, t: na::DVector<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cross_entropy_error` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn cross_entropy_error(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cross_entropy_error_from_label` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn cross_entropy_error_from_label(y: na::OMatrix<f64, Dyn, na::Const<10>>, t: Label) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mini_batch` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mini_batch() -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleNet` is never constructed
[INFO] [stdout]  --> src/chapter4/simple_net.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct SimpleNet {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/chapter4/simple_net.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SimpleNet {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn predict(&self, x: na::Vector2<f64>) -> na::Vector3<f64> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn softmax(&self, x: na::Vector3<f64>) -> na::DVector<f64> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn cross_entropy_error(&self, y: na::DVector<f64>, t: &na::DVector<u8>) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn loss(&self, x: na::Vector2<f64>, t: &na::DVector<u8>) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn numerical_gradient(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn numerical_gradient_vec(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> src/chapter5/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdaGrad` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct AdaGrad {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `H` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct H {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl H {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl AdaGrad {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 29 |     pub fn new(lr: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Momentum` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/momentum.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Momentum {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `V` is never constructed
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct V {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Momentum {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(lr: f64, momentum: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl V {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 61 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter5/layers/sigmoid_layer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Sigmoid {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 22 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `numerical_gradient` is never used
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl TwoLayerNet {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub fn numerical_gradient(&mut self, x: &na::DMatrix<f64>, t: &na::DMatrix<u8>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "c9da5ba75fcfbb07c464c189353950b4a821a7bc216b26fc0c20741902d1e17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9da5ba75fcfbb07c464c189353950b4a821a7bc216b26fc0c20741902d1e17a", kill_on_drop: false }`
[INFO] [stdout] c9da5ba75fcfbb07c464c189353950b4a821a7bc216b26fc0c20741902d1e17a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf75aea050f7a0eaa4e2afd2b579443c533a91460bde756fa3ab5a9f7c89b46
[INFO] running `Command { std: "docker" "start" "-a" "adf75aea050f7a0eaa4e2afd2b579443c533a91460bde756fa3ab5a9f7c89b46", kill_on_drop: false }`
[INFO] [stderr]    Compiling oreilly_deep_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]   --> multi_layer_net/src/layers/affine_layer.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/relu_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/sigmoid_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> multi_layer_net/src/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_vector_rowwise` is never used
[INFO] [stdout]   --> multi_layer_net/src/lib.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn broadcast_vector_rowwise<T: Scalar + Copy + Debug + rand_distr::num_traits::Zero>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size`, `hidden_size_list`, and `output_size` are never read
[INFO] [stdout]   --> multi_layer_net/src/multi_layer_net_extended.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct MultiLayerNetExtended {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] 17 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     hidden_size_list: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `na::dmatrix`
[INFO] [stdout]  --> src/chapter6/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use na::dmatrix;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParallelBridge`
[INFO] [stdout]   --> src/chapter6/main.rs:13:55
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multi_layer_net::multi_layer_net`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use multi_layer_net::multi_layer_net;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sgd`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     optimiser::{sgd, sgd_ext},
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DMatrix`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nalgebra::{DMatrix, DVector};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DatasetType`, `load_label`, `load_normalised_image`, and `self`
[INFO] [stdout]  --> src/chapter4/two_layer_net.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mylib::mnist::{self, load_label, load_normalised_image, DatasetType};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OMatrix`
[INFO] [stdout]  --> src/chapter4/main.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use na::{DVector, Dyn, OMatrix};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::{Ref, RefCell},
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_img_label`
[INFO] [stdout]   --> src/chapter3/show_mnist.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let train_img_label = mnist::load_label(mnist::DatasetType::TestLabel, &dataset_dir);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_img_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `softmax` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn softmax(x: na::RowDVector<f64>) -> RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> src/chapter5/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `net`
[INFO] [stdout]    --> src/chapter4/simple_net.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let net = SimpleNet::new();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_img`
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let test_img = load_normalised_image(DatasetType::TestImg, &dataset_dir).flatten();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_label`
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let test_label = load_label(DatasetType::TestLabel, &dataset_dir).as_one_hot();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |     let mut network = TwoLayerNet::new(784, 50, 10);
[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 `broadcast_vector_rowwise` is never used
[INFO] [stdout]    --> src/chapter6/main.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn broadcast_vector_rowwise<T: na::Scalar + Copy + rand_distr::num_traits::Zero>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdaGrad` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct AdaGrad {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `H` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct H {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl H {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl AdaGrad {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 29 |     pub fn new(lr: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Momentum` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/momentum.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Momentum {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `V` is never constructed
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct V {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Momentum {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(lr: f64, momentum: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl V {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 61 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_squared_error` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn sum_squared_error(y: na::DVector<f64>, t: na::DVector<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `numerical_gradient_vec` is never used
[INFO] [stdout]   --> src/chapter4/simple_net.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SimpleNet {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn numerical_gradient_vec(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `funtion_2` is never used
[INFO] [stdout]    --> src/chapter4/simple_net.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn funtion_2(x: &na::DVector<f64>) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcboC185/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libplotters-f73f5d47965657aa.rlib,libplotters_svg-32caa0256a32ff2d.rlib,libttf_parser-1d1864f87a1b207b.rlib,libfont_kit-13e0a78a27448d9c.rlib,libfloat_ord-b1c90816a4a45ca5.rlib,libdirs_next-bf4949557f010128.rlib,libdirs_sys_next-4e253b9227f472a9.rlib,libwalkdir-86e682a2d299058d.rlib,libsame_file-ff49545450c0b63c.rlib,libfontconfig_sys-38ad4a63eec303d5.rlib,libdlib-d941fb24061a3bc5.rlib,liblibloading-d7abbe75ff8b5573.rlib,libconst_cstr-3f6bdb9f625521e3.rlib,libfreetype-d7a0bb7643f67b05.rlib,libfreetype_sys-6e5bebf1e85d028c.rlib,libpathfinder_geometry-a77f02f527b3892e.rlib,libpathfinder_simd-8b32ced4b8cd8baa.rlib,liblazy_static-af860367908b8176.rlib,libplotters_bitmap-abf7cb45e420f35e.rlib,libimage-9a9bdd42e32f1e52.rlib,libqoi-b2fc31e0ddc49b1a.rlib,libpng-11f7787e845c1825.rlib,libfdeflate-dd9946cebe863153.rlib,libbitflags-dde12b0d7d495b50.rlib,libexr-84525717e2f36101.rlib,libflume-c216bcc7d2cecfea.rlib,libzune_inflate-830e3160eed64e83.rlib,libbit_field-fb70c6f816573082.rlib,liblebe-5694b67511a9813c.rlib,libhalf-968122518e876f8f.rlib,libsmallvec-6c28d06afe872838.rlib,libgif-3197465e60c352f2.rlib,libcolor_quant-72accfe2cafd1a2d.rlib,libbyteorder-8f59b6d1bfdaa844.rlib,libtiff-7fc8d8b131fa05e7.rlib,libweezl-2b90a14ccfb21c53.rlib,libjpeg_decoder-c0ee9bfa16bda521.rlib,libchrono-c63ba930a04c68f4.rlib,libiana_time_zone-db1655ccd1030fbe.rlib,libplotters_backend-79e244925260f7c3.rlib,libmylib-3f6fe9cac99581ce.rlib,libreqwest-5155d26afebbf471.rlib,libhyper_tls-f9c98240cf46dd57.rlib,libbase64-bbf874639731fed2.rlib,libipnet-21a83f2d587ce134.rlib,libtokio_native_tls-5b2e08888db915d9.rlib,libserde_urlencoded-114ac6baef4b94d0.rlib,libryu-1d56220ec609daf5.rlib,libmime-0188e0814ca7ddbf.rlib,libencoding_rs-2a0986d3eb52843d.rlib,libserde-758ff208d656b75a.rlib,libnative_tls-bd46e5c65179cd0c.rlib,libopenssl_probe-5821ed5bfde807ff.rlib,libopenssl-e2f415505f3178af.rlib,libbitflags-16c6398d669db74f.rlib,libforeign_types-ce5d663d7c32e748.rlib,libforeign_types_shared-47b443a4583fd949.rlib,libopenssl_sys-235a607b10d5371a.rlib,libhyper-782d119ed902a83d.rlib,libwant-0b31e25494497eb5.rlib,libtry_lock-8fa2f6971035be84.rlib,libhttparse-947711e6baf00551.rlib,libh2-85922cc9fdebfcaf.rlib,libindexmap-619c9659dfbee5d3.rlib,libequivalent-487f93f8f6ab5e5b.rlib,libhashbrown-4d78fb2fe3afee13.rlib,libtokio_util-62bad5588f4e6e31.rlib,libfutures_sink-bfbbbc7bce12d32f.rlib,libtower_service-442e0d38cf369aa3.rlib,libtracing-a8971284effbbf75.rlib,libtracing_core-b916b3518d5055ef.rlib,libonce_cell-a1d7742f74efe1da.rlib,libfutures_channel-a77afe3114062077.rlib,libtokio-c08199353c382aec.rlib,libnum_cpus-8408736c1d63840a.rlib,libsocket2-7d29acc6e70affd8.rlib,libmio-d817c4b7f1b4b976.rlib,libhttp_body-a908a9c8c2a0fb42.rlib,liblog-dcabf69e042f143c.rlib,libfutures_util-acb1015a7882c815.rlib,libmemchr-24f51181957843a1.rlib,libfutures_io-15f510aebc68962e.rlib,libslab-8650b6450c46fdf4.rlib,libpin_project_lite-b342d85da484cd05.rlib,libfutures_task-7735bb2404c6e6f3.rlib,libpin_utils-3860774ad9b215b5.rlib,libfutures_core-451bff7c303527ba.rlib,liburl-acf7ba88eb8b3c10.rlib,libidna-3980dfe2e4ffad07.rlib,libunicode_normalization-beda55ba36c8de7a.rlib,libtinyvec-2155ca31685e06d9.rlib,libtinyvec_macros-7b77ea21c73594ca.rlib,libunicode_bidi-7a255a92f016f850.rlib,libform_urlencoded-35907277f0683ea4.rlib,libpercent_encoding-af9df9186596bd92.rlib,libhttp-46ca56487269caf0.rlib,libitoa-999a18e29041b8b9.rlib,libbytes-0cbd1c7110a1e56d.rlib,libfnv-79e2cbfbe03dcd16.rlib,libflate2-c23e5d4734ed16f6.rlib,libminiz_oxide-1046e831d7c71c90.rlib,libsimd_adler32-a85d6c6326d2f661.rlib,libcrc32fast-e5de59621c1c9ea3.rlib,librand_distr-79afb3c67d5d44de.rlib,librand-54f38763d0134f62.rlib,librand_chacha-7ee4125a155fce31.rlib,libppv_lite86-74d192d5fb0d20a2.rlib,librand_core-cb40943bee5e3ca9.rlib,libgetrandom-dda0613b888ab147.rlib,liblibc-fffa33591dcd8092.rlib,libnalgebra-6bd60923025c4376.rlib,librayon-86b0316619c102f8.rlib,librayon_core-1c0bcfd15cd9cf34.rlib,libcrossbeam_deque-e6e7a38fcefa6eca.rlib,libcrossbeam_epoch-97f6e95f7b34b680.rlib,libcrossbeam_utils-80ba01cc6f247122.rlib,libcfg_if-3e7fc4e38d4a72b5.rlib,libeither-9a2eefee56828921.rlib,libmatrixmultiply-f3defe78eefd64c9.rlib,librawpointer-10d892ea69c462d6.rlib,libnum_rational-7041fd0ad3dbf589.rlib,libnum_integer-695cfe4ef1cb4bb8.rlib,libtypenum-c2fff0d6cd29fbbc.rlib,libsimba-c2aca38ae1fb67ea.rlib,libwide-b13d773f48ff7820.rlib,libsafe_arch-70ad990fb74c88a8.rlib,libbytemuck-71dc9660be3cd1b6.rlib,libnum_complex-9fa5cc59207f5011.rlib,libapprox-314c85920b72f014.rlib,libnum_traits-8492877777bd9125.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lfontconfig" "-lfreetype" "-ldl" "-lfreetype" "-lssl" "-lcrypto" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/oreilly_deep_learning_chapter4-18aa2a6b0eb09f7c" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oreilly_deep_learning` (bin "oreilly_deep_learning_chapter4" test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "adf75aea050f7a0eaa4e2afd2b579443c533a91460bde756fa3ab5a9f7c89b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf75aea050f7a0eaa4e2afd2b579443c533a91460bde756fa3ab5a9f7c89b46", kill_on_drop: false }`
[INFO] [stdout] adf75aea050f7a0eaa4e2afd2b579443c533a91460bde756fa3ab5a9f7c89b46
