[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliceLanniste%2Frs_2048" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AliceLanniste/rs_2048 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dfe758a8308b2e3bc843a3cd61fde2e15d2bc4dcebf30e9fcc493be26289ab6
[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" "7dfe758a8308b2e3bc843a3cd61fde2e15d2bc4dcebf30e9fcc493be26289ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dfe758a8308b2e3bc843a3cd61fde2e15d2bc4dcebf30e9fcc493be26289ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfe758a8308b2e3bc843a3cd61fde2e15d2bc4dcebf30e9fcc493be26289ab6", kill_on_drop: false }`
[INFO] [stdout] 7dfe758a8308b2e3bc843a3cd61fde2e15d2bc4dcebf30e9fcc493be26289ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99cd22031b3cc9488d2846bc76f8b0d799c033838fe0ba38a863bb37a55d885d
[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" "99cd22031b3cc9488d2846bc76f8b0d799c033838fe0ba38a863bb37a55d885d", 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 7.73s
[INFO] running `Command { std: "docker" "inspect" "99cd22031b3cc9488d2846bc76f8b0d799c033838fe0ba38a863bb37a55d885d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99cd22031b3cc9488d2846bc76f8b0d799c033838fe0ba38a863bb37a55d885d", kill_on_drop: false }`
[INFO] [stdout] 99cd22031b3cc9488d2846bc76f8b0d799c033838fe0ba38a863bb37a55d885d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5125a9d70f979f2f66ee00815184c9985371c3b16ae1ebde6ce53feb52e96419
[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" "5125a9d70f979f2f66ee00815184c9985371c3b16ae1ebde6ce53feb52e96419", 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 1.47s
[INFO] running `Command { std: "docker" "inspect" "5125a9d70f979f2f66ee00815184c9985371c3b16ae1ebde6ce53feb52e96419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5125a9d70f979f2f66ee00815184c9985371c3b16ae1ebde6ce53feb52e96419", kill_on_drop: false }`
[INFO] [stdout] 5125a9d70f979f2f66ee00815184c9985371c3b16ae1ebde6ce53feb52e96419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53f2bd445f48650942fd230863b078a8c2643f339bfa7faf3bd24e08fedac85f
[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" "53f2bd445f48650942fd230863b078a8c2643f339bfa7faf3bd24e08fedac85f", 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rs_2048-2af78fab47217d4c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test gameBoard::tests::test_move_left ... ok
[INFO] [stdout] test gameBoard::tests::test_move_down ... ok
[INFO] [stdout] test gameBoard::tests::test_move_right ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53f2bd445f48650942fd230863b078a8c2643f339bfa7faf3bd24e08fedac85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f2bd445f48650942fd230863b078a8c2643f339bfa7faf3bd24e08fedac85f", kill_on_drop: false }`
[INFO] [stdout] 53f2bd445f48650942fd230863b078a8c2643f339bfa7faf3bd24e08fedac85f