[INFO] cloning repository https://github.com/AuroransSolis/tui_tetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AuroransSolis/tui_tetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ftui_tetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ftui_tetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ae0dbf104a99cfe34bd1fd07e4b5f0e1250446f
[INFO] testing AuroransSolis/tui_tetris against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ftui_tetris" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AuroransSolis/tui_tetris on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AuroransSolis/tui_tetris
[INFO] finished tweaking git repo https://github.com/AuroransSolis/tui_tetris
[INFO] tweaked toml for git repo https://github.com/AuroransSolis/tui_tetris written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/AuroransSolis/tui_tetris already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a60c93e7cc904565ec995bfe55add6e234ae4933ea8c1196559babadcdc7e8d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a60c93e7cc904565ec995bfe55add6e234ae4933ea8c1196559babadcdc7e8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a60c93e7cc904565ec995bfe55add6e234ae4933ea8c1196559babadcdc7e8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60c93e7cc904565ec995bfe55add6e234ae4933ea8c1196559babadcdc7e8d5", kill_on_drop: false }`
[INFO] [stdout] a60c93e7cc904565ec995bfe55add6e234ae4933ea8c1196559babadcdc7e8d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f48ce105e44fffe5a3d2f021615a89c7b9e14da7e238f9ddaad470eb1daa91d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f48ce105e44fffe5a3d2f021615a89c7b9e14da7e238f9ddaad470eb1daa91d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossterm_utils v0.4.0
[INFO] [stderr]    Compiling crossterm_utils v0.3.1
[INFO] [stderr]    Compiling crossterm_screen v0.3.2
[INFO] [stderr]    Compiling crossterm_style v0.5.2
[INFO] [stderr]    Compiling crossterm_cursor v0.3.1
[INFO] [stderr]    Compiling crossterm_input v0.5.0
[INFO] [stderr]    Compiling crossterm_input v0.4.1
[INFO] [stderr]    Compiling crossterm_cursor v0.4.0
[INFO] [stderr]    Compiling crossterm_terminal v0.3.2
[INFO] [stderr]    Compiling crossterm v0.11.1
[INFO] [stderr]    Compiling tui_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crossterm::Color`
[INFO] [stdout]  --> src/tetromino.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `rngs::ThreadRng`
[INFO] [stdout]  --> src/tetromino.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{Rng, rngs::ThreadRng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gameboard::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use gameboard::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tetromino::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tetromino::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cell`
[INFO] [stdout]  --> src/gameboard.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Cell {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gameboard.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(character: char, colour: Color) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameBoard`
[INFO] [stdout]   --> src/gameboard.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct GameBoard {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gameboard.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/gameboard.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn draw(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/gameboard.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Game {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gameboard.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_sequence_number`
[INFO] [stdout]   --> src/gameboard.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn decode_sequence_number(mut sequence_number: u16) -> [Tetromino; 7] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_nth_unused`
[INFO] [stdout]    --> src/gameboard.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn find_nth_unused(usage_map: [bool; 7], mut n: usize) -> u16 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "3f48ce105e44fffe5a3d2f021615a89c7b9e14da7e238f9ddaad470eb1daa91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f48ce105e44fffe5a3d2f021615a89c7b9e14da7e238f9ddaad470eb1daa91d", kill_on_drop: false }`
[INFO] [stdout] 3f48ce105e44fffe5a3d2f021615a89c7b9e14da7e238f9ddaad470eb1daa91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c8e64868d0c79f9caf9ea767d1995e33c793b9ed875a0d81064caac3438a726
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c8e64868d0c79f9caf9ea767d1995e33c793b9ed875a0d81064caac3438a726", kill_on_drop: false }`
[INFO] [stderr]    Compiling tui_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crossterm::Color`
[INFO] [stdout]  --> src/tetromino.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `rngs::ThreadRng`
[INFO] [stdout]  --> src/tetromino.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{Rng, rngs::ThreadRng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gameboard::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use gameboard::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tetromino::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tetromino::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/gameboard.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 let message = format!(
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cell`
[INFO] [stdout]  --> src/gameboard.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Cell {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gameboard.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(character: char, colour: Color) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameBoard`
[INFO] [stdout]   --> src/gameboard.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct GameBoard {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gameboard.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/gameboard.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn draw(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/gameboard.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Game {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gameboard.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "7c8e64868d0c79f9caf9ea767d1995e33c793b9ed875a0d81064caac3438a726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8e64868d0c79f9caf9ea767d1995e33c793b9ed875a0d81064caac3438a726", kill_on_drop: false }`
[INFO] [stdout] 7c8e64868d0c79f9caf9ea767d1995e33c793b9ed875a0d81064caac3438a726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5b641c3e2108459b04d3edd46a0f758368b5e93cdb2f2b3262602b64a3f07ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5b641c3e2108459b04d3edd46a0f758368b5e93cdb2f2b3262602b64a3f07ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crossterm::Color`
[INFO] [stderr]  --> src/tetromino.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crossterm::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `rngs::ThreadRng`
[INFO] [stderr]  --> src/tetromino.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{Rng, rngs::ThreadRng};
[INFO] [stderr]   |            ^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gameboard::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use gameboard::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tetromino::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tetromino::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/gameboard.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 let message = format!(
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cell`
[INFO] [stderr]  --> src/gameboard.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Cell {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(character: char, colour: Color) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GameBoard`
[INFO] [stderr]   --> src/gameboard.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct GameBoard {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `draw`
[INFO] [stderr]   --> src/gameboard.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn draw(&self) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]   --> src/gameboard.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Game {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tui_tetris-ebfc8510844f5f1e
[INFO] [stdout] running 2 tests
[INFO] [stdout] test gameboard::test_sequence_decode ... ok
[INFO] [stdout] test gameboard::test_no_duplicate_sequences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5b641c3e2108459b04d3edd46a0f758368b5e93cdb2f2b3262602b64a3f07ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b641c3e2108459b04d3edd46a0f758368b5e93cdb2f2b3262602b64a3f07ba", kill_on_drop: false }`
[INFO] [stdout] c5b641c3e2108459b04d3edd46a0f758368b5e93cdb2f2b3262602b64a3f07ba