[INFO] cloning repository https://github.com/garrettpauls/rust2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garrettpauls/rust2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarrettpauls%2Frust2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarrettpauls%2Frust2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64d1ea1f04c2ae355b32b3e9121ffa28685c4281
[INFO] testing garrettpauls/rust2048 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarrettpauls%2Frust2048" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garrettpauls/rust2048 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garrettpauls/rust2048
[INFO] finished tweaking git repo https://github.com/garrettpauls/rust2048
[INFO] tweaked toml for git repo https://github.com/garrettpauls/rust2048 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/garrettpauls/rust2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getch v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7773a7167e00bf1a57e324d3fe530f1edae00d122f668f4b27be56dfedb2c980
[INFO] running `Command { std: "docker" "start" "-a" "7773a7167e00bf1a57e324d3fe530f1edae00d122f668f4b27be56dfedb2c980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7773a7167e00bf1a57e324d3fe530f1edae00d122f668f4b27be56dfedb2c980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7773a7167e00bf1a57e324d3fe530f1edae00d122f668f4b27be56dfedb2c980", kill_on_drop: false }`
[INFO] [stdout] 7773a7167e00bf1a57e324d3fe530f1edae00d122f668f4b27be56dfedb2c980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91824d084c1ab448766b91fd7979e2c054c45e6257fb341d8c4b48fe9b8d85ba
[INFO] running `Command { std: "docker" "start" "-a" "91824d084c1ab448766b91fd7979e2c054c45e6257fb341d8c4b48fe9b8d85ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling getch v0.2.0
[INFO] [stderr]    Compiling twentyfortyeight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `merge`
[INFO] [stdout]   --> src/logic.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn shift_left(mut state: &mut GameState, merge: bool) -> bool {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_merge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn shift_right(state: &mut GameState) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn shift_up(state: &mut GameState) -> bool {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn shift_down(state: &mut GameState) -> bool {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "91824d084c1ab448766b91fd7979e2c054c45e6257fb341d8c4b48fe9b8d85ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91824d084c1ab448766b91fd7979e2c054c45e6257fb341d8c4b48fe9b8d85ba", kill_on_drop: false }`
[INFO] [stdout] 91824d084c1ab448766b91fd7979e2c054c45e6257fb341d8c4b48fe9b8d85ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6550a5301f32511cfef892374f11885decd5da7f437c492d31c96a71d2707aa8
[INFO] running `Command { std: "docker" "start" "-a" "6550a5301f32511cfef892374f11885decd5da7f437c492d31c96a71d2707aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling twentyfortyeight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `state::*`
[INFO] [stdout]   --> src/logic.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use state::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `merge`
[INFO] [stdout]   --> src/logic.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn shift_left(mut state: &mut GameState, merge: bool) -> bool {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_merge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn shift_right(state: &mut GameState) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn shift_up(state: &mut GameState) -> bool {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn shift_down(state: &mut GameState) -> bool {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "6550a5301f32511cfef892374f11885decd5da7f437c492d31c96a71d2707aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6550a5301f32511cfef892374f11885decd5da7f437c492d31c96a71d2707aa8", kill_on_drop: false }`
[INFO] [stdout] 6550a5301f32511cfef892374f11885decd5da7f437c492d31c96a71d2707aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3da38baff69d976b4adc693dde14ad4194fb0d8da758805f03aa64713ab5441e
[INFO] running `Command { std: "docker" "start" "-a" "3da38baff69d976b4adc693dde14ad4194fb0d8da758805f03aa64713ab5441e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `state::*`
[INFO] [stderr]   --> src/logic.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use state::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `merge`
[INFO] [stderr]   --> src/logic.rs:82:42
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn shift_left(mut state: &mut GameState, merge: bool) -> bool {
[INFO] [stderr]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_merge`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:120:16
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn shift_right(state: &mut GameState) -> bool {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn shift_up(state: &mut GameState) -> bool {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:128:15
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn shift_down(state: &mut GameState) -> bool {
[INFO] [stderr]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: `twentyfortyeight` (bin "twentyfortyeight" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twentyfortyeight-6431a4ff96be2a26)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test logic::test_shift_tiles::empty ... ok
[INFO] [stdout] test logic::test_shift_tiles::left ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_both ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_vertical ... ok
[INFO] [stdout] test logic::test_state::win ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_horizontal ... ok
[INFO] [stdout] test state::test_display::cell_digit_four ... ok
[INFO] [stdout] test logic::test_state::lose ... ok
[INFO] [stdout] test state::test_display::cell_digit_one ... ok
[INFO] [stdout] test state::test_display::cell_digit_three ... ok
[INFO] [stdout] test state::test_display::state ... ok
[INFO] [stdout] test state::test_display::cell_digit_two ... ok
[INFO] [stdout] test state::test_display::cell_empty ... ok
[INFO] [stdout] test state::test_state::get_empty_cells ... ok
[INFO] [stdout] test state::test_state::swap_cells_on_col ... ok
[INFO] [stdout] test state::test_state::swap_cells_on_row ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3da38baff69d976b4adc693dde14ad4194fb0d8da758805f03aa64713ab5441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da38baff69d976b4adc693dde14ad4194fb0d8da758805f03aa64713ab5441e", kill_on_drop: false }`
[INFO] [stdout] 3da38baff69d976b4adc693dde14ad4194fb0d8da758805f03aa64713ab5441e