[INFO] cloning repository https://github.com/AliceLanniste/rs_2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AliceLanniste/rs_2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliceLanniste%2Frs_2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliceLanniste%2Frs_2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 370286e72d573baf47788c3cc93ec45018c9ff45
[INFO] testing AliceLanniste/rs_2048 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliceLanniste%2Frs_2048" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AliceLanniste/rs_2048 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/AliceLanniste/rs_2048
[INFO] finished tweaking git repo https://github.com/AliceLanniste/rs_2048
[INFO] tweaked toml for git repo https://github.com/AliceLanniste/rs_2048 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AliceLanniste/rs_2048 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0f5e120e4e0a534985e0b76d1651d8c34a3ebbc8a0c9d6c2924c6823a240a0a5
[INFO] running `Command { std: "docker" "start" "-a" "0f5e120e4e0a534985e0b76d1651d8c34a3ebbc8a0c9d6c2924c6823a240a0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f5e120e4e0a534985e0b76d1651d8c34a3ebbc8a0c9d6c2924c6823a240a0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5e120e4e0a534985e0b76d1651d8c34a3ebbc8a0c9d6c2924c6823a240a0a5", kill_on_drop: false }`
[INFO] [stdout] 0f5e120e4e0a534985e0b76d1651d8c34a3ebbc8a0c9d6c2924c6823a240a0a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 596869ad1a60f06369d27f9206ced50f810856aa9949919e6d5e12683869155c
[INFO] running `Command { std: "docker" "start" "-a" "596869ad1a60f06369d27f9206ced50f810856aa9949919e6d5e12683869155c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rs_2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `gameBoard` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod gameBoard;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `game_board`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "596869ad1a60f06369d27f9206ced50f810856aa9949919e6d5e12683869155c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596869ad1a60f06369d27f9206ced50f810856aa9949919e6d5e12683869155c", kill_on_drop: false }`
[INFO] [stdout] 596869ad1a60f06369d27f9206ced50f810856aa9949919e6d5e12683869155c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 69b0338fd1c035223240919061eeb0569cbde84e7a691e2b8e85fc9c461d4126
[INFO] running `Command { std: "docker" "start" "-a" "69b0338fd1c035223240919061eeb0569cbde84e7a691e2b8e85fc9c461d4126", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `gameBoard` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod gameBoard;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `game_board`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "69b0338fd1c035223240919061eeb0569cbde84e7a691e2b8e85fc9c461d4126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b0338fd1c035223240919061eeb0569cbde84e7a691e2b8e85fc9c461d4126", kill_on_drop: false }`
[INFO] [stdout] 69b0338fd1c035223240919061eeb0569cbde84e7a691e2b8e85fc9c461d4126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 20c02e157f9bc926328d2cd317895974185f9e9d6f3ade66c85a23226c5e3dcc
[INFO] running `Command { std: "docker" "start" "-a" "20c02e157f9bc926328d2cd317895974185f9e9d6f3ade66c85a23226c5e3dcc", kill_on_drop: false }`
[INFO] [stderr] warning: module `gameBoard` should have a snake case name
[INFO] [stderr]  --> src/main.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod gameBoard;
[INFO] [stderr]   |         ^^^^^^^^^ help: convert the identifier to snake case: `game_board`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs_2048` (bin "rs_2048" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_2048-03ec2e1f50e7decb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test gameBoard::tests::test_move_left ... ok
[INFO] [stdout] test gameBoard::tests::test_move_right ... ok
[INFO] [stdout] test gameBoard::tests::test_move_down ... ok
[INFO] [stdout] test gameBoard::tests::test_move_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20c02e157f9bc926328d2cd317895974185f9e9d6f3ade66c85a23226c5e3dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c02e157f9bc926328d2cd317895974185f9e9d6f3ade66c85a23226c5e3dcc", kill_on_drop: false }`
[INFO] [stdout] 20c02e157f9bc926328d2cd317895974185f9e9d6f3ade66c85a23226c5e3dcc