[INFO] cloning repository https://github.com/thomsen85/rusty-minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomsen85/rusty-minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomsen85%2Frusty-minesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomsen85%2Frusty-minesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd2f61b9bc8556a2dcce02c41bb3b42ce4c31846
[INFO] checking thomsen85/rusty-minesweeper against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomsen85%2Frusty-minesweeper" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomsen85/rusty-minesweeper
[INFO] finished tweaking git repo https://github.com/thomsen85/rusty-minesweeper
[INFO] tweaked toml for git repo https://github.com/thomsen85/rusty-minesweeper written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomsen85/rusty-minesweeper on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomsen85/rusty-minesweeper 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9acc84733cae0f80fb49a0f0b4000dbea4f95c5ca625859e8ed51fc181987824
[INFO] running `Command { std: "docker" "start" "-a" "9acc84733cae0f80fb49a0f0b4000dbea4f95c5ca625859e8ed51fc181987824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9acc84733cae0f80fb49a0f0b4000dbea4f95c5ca625859e8ed51fc181987824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9acc84733cae0f80fb49a0f0b4000dbea4f95c5ca625859e8ed51fc181987824", kill_on_drop: false }`
[INFO] [stdout] 9acc84733cae0f80fb49a0f0b4000dbea4f95c5ca625859e8ed51fc181987824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e65bafb4917ab027e6ac4f7b788ccda9b54bd99cb9179e87f21ed6c06504850
[INFO] running `Command { std: "docker" "start" "-a" "2e65bafb4917ab027e6ac4f7b788ccda9b54bd99cb9179e87f21ed6c06504850", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
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[INFO] [stdout] warning: unused imports: `CrossEntropyLoss`, `Record`, `Wgpu`, and `ops::FloatElem`
[INFO] [stdout]   --> src/ai.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  |     backend::{Autodiff, Wgpu},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7  |         loss::{CrossEntropyLoss, MseLoss},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     record::{CompactRecorder, Record},
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 13 |     tensor::{backend::AutodiffBackend, ops::FloatElem},
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CrossEntropyLoss`, `Record`, `Wgpu`, and `ops::FloatElem`
[INFO] [stdout]   --> src/ai.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  |     backend::{Autodiff, Wgpu},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7  |         loss::{CrossEntropyLoss, MseLoss},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     record::{CompactRecorder, Record},
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 13 |     tensor::{backend::AutodiffBackend, ops::FloatElem},
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedRandom`
[INFO] [stdout]   --> src/ai.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rand::seq::{IndexedRandom, IteratorRandom};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedRandom`
[INFO] [stdout]   --> src/ai.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rand::seq::{IndexedRandom, IteratorRandom};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `emulator` is never read
[INFO] [stdout]    --> src/ai.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut emulator = game::Minesweeper::new_with_mines(constants::MINES);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `emulator` is never read
[INFO] [stdout]    --> src/ai.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut emulator = game::Minesweeper::new_with_mines(constants::MINES);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emulator`
[INFO] [stdout]    --> src/ai.rs:392:40
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn get_reward(prev_move: game::Square, emulator: &game::Minesweeper) -> f32 {
[INFO] [stdout]     |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emulator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `row_col_to_x_y` is never used
[INFO] [stdout]  --> src/utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn row_col_to_x_y(row: usize, col: usize) -> (f32, f32) {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `x_y_to_row_col` is never used
[INFO] [stdout]   --> src/utils.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) fn x_y_to_row_col(x: f32, y: f32) -> Option<(usize, usize)> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emulator`
[INFO] [stdout]    --> src/ai.rs:392:40
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn get_reward(prev_move: game::Square, emulator: &game::Minesweeper) -> f32 {
[INFO] [stdout]     |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emulator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `row_col_to_x_y` is never used
[INFO] [stdout]  --> src/utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn row_col_to_x_y(row: usize, col: usize) -> (f32, f32) {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `x_y_to_row_col` is never used
[INFO] [stdout]   --> src/utils.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) fn x_y_to_row_col(x: f32, y: f32) -> Option<(usize, usize)> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CrossEntropyLoss`, `Record`, `Wgpu`, and `ops::FloatElem`
[INFO] [stdout]   --> src/ai.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  |     backend::{Autodiff, Wgpu},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7  |         loss::{CrossEntropyLoss, MseLoss},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     record::{CompactRecorder, Record},
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 13 |     tensor::{backend::AutodiffBackend, ops::FloatElem},
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CrossEntropyLoss`, `Record`, `Wgpu`, and `ops::FloatElem`
[INFO] [stdout]   --> src/ai.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  |     backend::{Autodiff, Wgpu},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7  |         loss::{CrossEntropyLoss, MseLoss},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     record::{CompactRecorder, Record},
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 13 |     tensor::{backend::AutodiffBackend, ops::FloatElem},
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedRandom`
[INFO] [stdout]   --> src/ai.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rand::seq::{IndexedRandom, IteratorRandom};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedRandom`
[INFO] [stdout]   --> src/ai.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rand::seq::{IndexedRandom, IteratorRandom};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `emulator` is never read
[INFO] [stdout]    --> src/ai.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut emulator = game::Minesweeper::new_with_mines(constants::MINES);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `emulator` is never read
[INFO] [stdout]    --> src/ai.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut emulator = game::Minesweeper::new_with_mines(constants::MINES);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emulator`
[INFO] [stdout]    --> src/ai.rs:392:40
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn get_reward(prev_move: game::Square, emulator: &game::Minesweeper) -> f32 {
[INFO] [stdout]     |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emulator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emulator`
[INFO] [stdout]    --> src/ai.rs:392:40
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn get_reward(prev_move: game::Square, emulator: &game::Minesweeper) -> f32 {
[INFO] [stdout]     |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emulator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lost` and `Won` are never constructed
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum GameState {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 24 |     Playing,
[INFO] [stdout] 25 |     Lost,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     Won,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game_state` is never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Model {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 30 |     game_state: GameState,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MyAutodiffBackend` is never used
[INFO] [stdout]   --> src/ai.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type MyAutodiffBackend = Autodiff<MyBackend>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrainingConfig` is never constructed
[INFO] [stdout]   --> src/ai.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct TrainingConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]    --> src/ai.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Memory {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `sample`, and `len` are never used
[INFO] [stdout]    --> src/ai.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Memory {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 107 |     fn new(max_size: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn add(&mut self, experience: Experience) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn sample(&self, batch_size: usize) -> Vec<Experience> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Experience` is never constructed
[INFO] [stdout]    --> src/ai.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | struct Experience {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train` is never used
[INFO] [stdout]    --> src/ai.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn train<B: AutodiffBackend>(device: B::Device) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot_vec_with_title` is never used
[INFO] [stdout]    --> src/ai.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn plot_vec_with_title(title: String, y_vals: Vec<f32>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_reward` is never used
[INFO] [stdout]    --> src/ai.rs:392:4
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn get_reward(prev_move: game::Square, emulator: &game::Minesweeper) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lost` and `Won` are never constructed
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum GameState {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 24 |     Playing,
[INFO] [stdout] 25 |     Lost,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     Won,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game_state` is never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Model {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 30 |     game_state: GameState,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MyAutodiffBackend` is never used
[INFO] [stdout]   --> src/ai.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type MyAutodiffBackend = Autodiff<MyBackend>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrainingConfig` is never constructed
[INFO] [stdout]   --> src/ai.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct TrainingConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]    --> src/ai.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Memory {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `sample`, and `len` are never used
[INFO] [stdout]    --> src/ai.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Memory {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 107 |     fn new(max_size: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn add(&mut self, experience: Experience) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn sample(&self, batch_size: usize) -> Vec<Experience> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Experience` is never constructed
[INFO] [stdout]    --> src/ai.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | struct Experience {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train` is never used
[INFO] [stdout]    --> src/ai.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn train<B: AutodiffBackend>(device: B::Device) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot_vec_with_title` is never used
[INFO] [stdout]    --> src/ai.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn plot_vec_with_title(title: String, y_vals: Vec<f32>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_reward` is never used
[INFO] [stdout]    --> src/ai.rs:392:4
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn get_reward(prev_move: game::Square, emulator: &game::Minesweeper) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: noise v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2e65bafb4917ab027e6ac4f7b788ccda9b54bd99cb9179e87f21ed6c06504850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e65bafb4917ab027e6ac4f7b788ccda9b54bd99cb9179e87f21ed6c06504850", kill_on_drop: false }`
[INFO] [stdout] 2e65bafb4917ab027e6ac4f7b788ccda9b54bd99cb9179e87f21ed6c06504850