[INFO] cloning repository https://github.com/AuroransSolis/tui_tetris
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ftui_tetris'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ae0dbf104a99cfe34bd1fd07e4b5f0e1250446f
[INFO] checking AuroransSolis/tui_tetris against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ftui_tetris" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AuroransSolis/tui_tetris on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/AuroransSolis/tui_tetris already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 109e722402fb3becab25c5ef85e82ff3069439bf393fb75304bb39de0ec5ca8c
[INFO] running `"docker" "start" "-a" "109e722402fb3becab25c5ef85e82ff3069439bf393fb75304bb39de0ec5ca8c"`
[INFO] [stderr]     Checking crossterm_utils v0.3.1
[INFO] [stderr]     Checking crossterm_screen v0.3.1
[INFO] [stderr]     Checking crossterm_cursor v0.3.1
[INFO] [stderr]     Checking crossterm_style v0.5.1
[INFO] [stderr]     Checking crossterm_input v0.4.1
[INFO] [stderr]     Checking crossterm_terminal v0.3.1
[INFO] [stderr]     Checking crossterm v0.11.1
[INFO] [stderr]     Checking tui_tetris v0.1.0 (/opt/rustwide/workdir)
[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 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: struct is never constructed: `Cell`
[INFO] [stderr]  --> src/gameboard.rs:8:1
[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: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:14:5
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct GameBoard {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/gameboard.rs:37:5
[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:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Game {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_sequence_number`
[INFO] [stderr]   --> src/gameboard.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn decode_sequence_number(mut sequence_number: u16) -> [Tetromino; 7] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_nth_unused`
[INFO] [stderr]    --> src/gameboard.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn find_nth_unused(usage_map: [bool; 7], mut n: usize) -> u16 {
[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: consider prefixing 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:8:1
[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: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:14:5
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct GameBoard {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/gameboard.rs:37:5
[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:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Game {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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: method is never used: `default`
[INFO] [stderr]    --> src/game_config.rs:551:5
[INFO] [stderr]     |
[INFO] [stderr] 551 |     pub fn default() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_to_file`
[INFO] [stderr]    --> src/game_config.rs:866:5
[INFO] [stderr]     |
[INFO] [stderr] 866 |     pub fn write_to_file(&self, file: &mut File) -> IoResult<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cell`
[INFO] [stderr]  --> src/gameboard.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Cell {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:14:5
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct GameBoard {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/gameboard.rs:37:5
[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:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Game {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `"docker" "inspect" "109e722402fb3becab25c5ef85e82ff3069439bf393fb75304bb39de0ec5ca8c"`
[INFO] running `"docker" "rm" "-f" "109e722402fb3becab25c5ef85e82ff3069439bf393fb75304bb39de0ec5ca8c"`
[INFO] [stdout] 109e722402fb3becab25c5ef85e82ff3069439bf393fb75304bb39de0ec5ca8c