[INFO] cloning repository https://github.com/moseslee90/tetris-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moseslee90/tetris-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoseslee90%2Ftetris-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoseslee90%2Ftetris-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78f5873831c0a99d27213e02b03b0476453d1106
[INFO] testing moseslee90/tetris-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoseslee90%2Ftetris-rust" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moseslee90/tetris-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moseslee90/tetris-rust
[INFO] finished tweaking git repo https://github.com/moseslee90/tetris-rust
[INFO] tweaked toml for git repo https://github.com/moseslee90/tetris-rust written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/moseslee90/tetris-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a2c86d15484ad3949b57cd7ab0a10a4b142b42c2ef4fd06cfd6ccd0487271ec
[INFO] running `Command { std: "docker" "start" "-a" "7a2c86d15484ad3949b57cd7ab0a10a4b142b42c2ef4fd06cfd6ccd0487271ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a2c86d15484ad3949b57cd7ab0a10a4b142b42c2ef4fd06cfd6ccd0487271ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2c86d15484ad3949b57cd7ab0a10a4b142b42c2ef4fd06cfd6ccd0487271ec", kill_on_drop: false }`
[INFO] [stdout] 7a2c86d15484ad3949b57cd7ab0a10a4b142b42c2ef4fd06cfd6ccd0487271ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c1ae23683bd9482d7f2da146b74569587dac97cab9c0182b57655eea9f000e
[INFO] running `Command { std: "docker" "start" "-a" "c1c1ae23683bd9482d7f2da146b74569587dac97cab9c0182b57655eea9f000e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling json v0.11.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tetris-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_floor`
[INFO] [stdout]   --> src/board.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn is_floor(
[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: `move_piece`
[INFO] [stdout]    --> src/board.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn move_piece(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `no_collision`
[INFO] [stdout]    --> src/board.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn no_collision(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_game_board`
[INFO] [stdout]    --> src/board.rs:273:12
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn print_game_board(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_holding_board`
[INFO] [stdout]    --> src/board.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_piece`
[INFO] [stdout]    --> src/board.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn rotate_piece(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HOLDING_SIZE`
[INFO] [stdout]  --> src/game_constants.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NONE`
[INFO] [stdout]   --> src/game_constants.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub const NONE: &str = "none";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "c1c1ae23683bd9482d7f2da146b74569587dac97cab9c0182b57655eea9f000e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c1ae23683bd9482d7f2da146b74569587dac97cab9c0182b57655eea9f000e", kill_on_drop: false }`
[INFO] [stdout] c1c1ae23683bd9482d7f2da146b74569587dac97cab9c0182b57655eea9f000e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 109cbf7a877e7b71f2fdaf6e13c39b13fa824d46ba555836b37c8fcf5a148504
[INFO] running `Command { std: "docker" "start" "-a" "109cbf7a877e7b71f2fdaf6e13c39b13fa824d46ba555836b37c8fcf5a148504", kill_on_drop: false }`
[INFO] [stderr]    Compiling tetris-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_floor`
[INFO] [stdout]   --> src/board.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn is_floor(
[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: `move_piece`
[INFO] [stdout]    --> src/board.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn move_piece(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `no_collision`
[INFO] [stdout]    --> src/board.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn no_collision(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_game_board`
[INFO] [stdout]    --> src/board.rs:273:12
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn print_game_board(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_holding_board`
[INFO] [stdout]    --> src/board.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_piece`
[INFO] [stdout]    --> src/board.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn rotate_piece(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HOLDING_SIZE`
[INFO] [stdout]  --> src/game_constants.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NONE`
[INFO] [stdout]   --> src/game_constants.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub const NONE: &str = "none";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "109cbf7a877e7b71f2fdaf6e13c39b13fa824d46ba555836b37c8fcf5a148504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109cbf7a877e7b71f2fdaf6e13c39b13fa824d46ba555836b37c8fcf5a148504", kill_on_drop: false }`
[INFO] [stdout] 109cbf7a877e7b71f2fdaf6e13c39b13fa824d46ba555836b37c8fcf5a148504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc65cea5e56d7d714bd1884b69a613e7b411572fa0d324b47b0903de08eb93f6
[INFO] running `Command { std: "docker" "start" "-a" "bc65cea5e56d7d714bd1884b69a613e7b411572fa0d324b47b0903de08eb93f6", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `is_floor`
[INFO] [stderr]   --> src/board.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn is_floor(
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_piece`
[INFO] [stderr]    --> src/board.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn move_piece(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_collision`
[INFO] [stderr]    --> src/board.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn no_collision(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_game_board`
[INFO] [stderr]    --> src/board.rs:273:12
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn print_game_board(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_holding_board`
[INFO] [stderr]    --> src/board.rs:319:12
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rotate_piece`
[INFO] [stderr]    --> src/board.rs:334:12
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn rotate_piece(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `HOLDING_SIZE`
[INFO] [stderr]  --> src/game_constants.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `NONE`
[INFO] [stderr]   --> src/game_constants.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub const NONE: &str = "none";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tetris-rust` (bin "tetris-rust" test) generated 8 warnings
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tetris_rust-c84056c58c211094)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc65cea5e56d7d714bd1884b69a613e7b411572fa0d324b47b0903de08eb93f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc65cea5e56d7d714bd1884b69a613e7b411572fa0d324b47b0903de08eb93f6", kill_on_drop: false }`
[INFO] [stdout] bc65cea5e56d7d714bd1884b69a613e7b411572fa0d324b47b0903de08eb93f6