[INFO] cloning repository https://github.com/tivrfoa/minesweeper-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tivrfoa/minesweeper-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Fminesweeper-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Fminesweeper-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4dd87314794425a8e6a93a33e271c35222fc68d
[INFO] checking tivrfoa/minesweeper-rust against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Fminesweeper-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tivrfoa/minesweeper-rust
[INFO] finished tweaking git repo https://github.com/tivrfoa/minesweeper-rust
[INFO] tweaked toml for git repo https://github.com/tivrfoa/minesweeper-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tivrfoa/minesweeper-rust on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tivrfoa/minesweeper-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" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d614a03f0a0785b6ebb79ccdff776a30cd854d2e9741ed94b6e827afc20f221
[INFO] running `Command { std: "docker" "start" "-a" "8d614a03f0a0785b6ebb79ccdff776a30cd854d2e9741ed94b6e827afc20f221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d614a03f0a0785b6ebb79ccdff776a30cd854d2e9741ed94b6e827afc20f221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d614a03f0a0785b6ebb79ccdff776a30cd854d2e9741ed94b6e827afc20f221", kill_on_drop: false }`
[INFO] [stdout] 8d614a03f0a0785b6ebb79ccdff776a30cd854d2e9741ed94b6e827afc20f221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e52cf2c0a9bf3861daa838b2779fce1b03ab1303d922281fce03d3c370e097c
[INFO] running `Command { std: "docker" "start" "-a" "8e52cf2c0a9bf3861daa838b2779fce1b03ab1303d922281fce03d3c370e097c", kill_on_drop: false }`
[INFO] [stderr]     Checking minesweeper-csp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, and `channel`
[INFO] [stdout]  --> src/cell.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, and `channel`
[INFO] [stdout]  --> src/cell.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/cell.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/cell.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `SyncSender`
[INFO] [stdout]  --> src/channel.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender};
[INFO] [stdout]   |                                     ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `SyncSender`
[INFO] [stdout]  --> src/channel.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender};
[INFO] [stdout]   |                                     ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/linked_blocking_queue.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/linked_blocking_queue.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> src/channel.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let (sender, receiver) = sync_channel::<T>(0);
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> src/channel.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let (sender, receiver) = sync_channel::<T>(0);
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]   --> src/channel.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let (sender, receiver) = sync_channel::<T>(0);
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]   --> src/channel.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let (sender, receiver) = sync_channel::<T>(0);
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]   --> src/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let fp = GameSignal::FacePress;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fp`
[INFO] [stdout]   --> src/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let fp = GameSignal::FacePress;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_fp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CellSignal` is never used
[INFO] [stdout]  --> src/cell_signal.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum CellSignal {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CellSignal` is never used
[INFO] [stdout]  --> src/cell_signal.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum CellSignal {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row`, `col`, `mine`, `revealed`, `flagged`, and `neighbor_mines` are never read
[INFO] [stdout]  --> src/cell_state.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct CellState {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     pub row: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 4 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub mine: bool,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub revealed: bool,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 7 |     pub flagged: bool,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 8 |     pub neighbor_mines: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CellState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cell` is never constructed
[INFO] [stdout]  --> src/cell.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Cell {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row`, `col`, `mine`, `revealed`, `flagged`, and `neighbor_mines` are never read
[INFO] [stdout]  --> src/cell_state.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct CellState {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     pub row: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 4 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub mine: bool,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub revealed: bool,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 7 |     pub flagged: bool,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 8 |     pub neighbor_mines: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CellState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cell` is never constructed
[INFO] [stdout]  --> src/cell.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Cell {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/cell.rs:25:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Cell {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout]  25 |     fn start(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  36 |     fn run(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     fn send_game_signal(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn reveal_me(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     fn reveal_neighbors(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     fn tell_neighbors_about_flag(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn tell_neighbors(&mut self, signal: CellSignal) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Channel` is never constructed
[INFO] [stdout]  --> src/channel.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Channel<T> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/cell.rs:25:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Cell {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout]  25 |     fn start(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  36 |     fn run(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     fn send_game_signal(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn reveal_me(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     fn reveal_neighbors(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     fn tell_neighbors_about_flag(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn tell_neighbors(&mut self, signal: CellSignal) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `take` are never used
[INFO] [stdout]   --> src/channel.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Channel<T> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn put(&self, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn take(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Channel` is never constructed
[INFO] [stdout]  --> src/channel.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Channel<T> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LEFT` and `RIGHT` are never constructed
[INFO] [stdout]  --> src/click_side.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ClickSide {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 3 |     LEFT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     RIGHT
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ClickSide` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Clock` is never constructed
[INFO] [stdout]  --> src/clock.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Clock {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `take` are never used
[INFO] [stdout]   --> src/channel.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Channel<T> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn put(&self, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn take(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `PERIOD_MILLIS`, `new`, `start`, and `run` are never used
[INFO] [stdout]   --> src/clock.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Clock {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 12 |     const PERIOD_MILLIS: u64 = 100;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     fn new(channel: Channel<GameSignal>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn start(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn run(channel: Channel<GameSignal>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LEFT` and `RIGHT` are never constructed
[INFO] [stdout]  --> src/click_side.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ClickSide {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 3 |     LEFT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     RIGHT
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ClickSide` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedBlockingQueue` is never constructed
[INFO] [stdout]  --> src/linked_blocking_queue.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LinkedBlockingQueue<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Clock` is never constructed
[INFO] [stdout]  --> src/clock.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Clock {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `take` are never used
[INFO] [stdout]   --> src/linked_blocking_queue.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> LinkedBlockingQueue<T> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn put(&self, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn take(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `PERIOD_MILLIS`, `new`, `start`, and `run` are never used
[INFO] [stdout]   --> src/clock.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Clock {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 12 |     const PERIOD_MILLIS: u64 = 100;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     fn new(channel: Channel<GameSignal>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn start(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn run(channel: Channel<GameSignal>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedBlockingQueue` is never constructed
[INFO] [stdout]  --> src/linked_blocking_queue.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LinkedBlockingQueue<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `TilePress`, `StateChange`, and `ClockTick` are never constructed
[INFO] [stdout]   --> src/game_signal.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum GameSignal {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  6 |     TilePress {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     StateChange(CellState),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     ClockTick,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameSignal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PlayState` is never used
[INFO] [stdout]  --> src/play_state.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum PlayState {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `take` are never used
[INFO] [stdout]   --> src/linked_blocking_queue.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> LinkedBlockingQueue<T> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn put(&self, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn take(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `TilePress`, `StateChange`, and `ClockTick` are never constructed
[INFO] [stdout]   --> src/game_signal.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum GameSignal {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  6 |     TilePress {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     StateChange(CellState),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     ClockTick,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameSignal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PlayState` is never used
[INFO] [stdout]  --> src/play_state.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum PlayState {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "8e52cf2c0a9bf3861daa838b2779fce1b03ab1303d922281fce03d3c370e097c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e52cf2c0a9bf3861daa838b2779fce1b03ab1303d922281fce03d3c370e097c", kill_on_drop: false }`
[INFO] [stdout] 8e52cf2c0a9bf3861daa838b2779fce1b03ab1303d922281fce03d3c370e097c
