[INFO] cloning repository https://github.com/dasilvar93/2048Clone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dasilvar93/2048Clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdasilvar93%2F2048Clone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdasilvar93%2F2048Clone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b73546259d0d5b69bb5046f32f4ed1442e54b3b0
[INFO] testing dasilvar93/2048Clone against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdasilvar93%2F2048Clone" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dasilvar93/2048Clone on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dasilvar93/2048Clone
[INFO] finished tweaking git repo https://github.com/dasilvar93/2048Clone
[INFO] tweaked toml for git repo https://github.com/dasilvar93/2048Clone written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dasilvar93/2048Clone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded termion v1.5.4
[INFO] [stderr]   Downloaded getrandom v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 692cc2d98dfd7e6e3caa4f0bcbc8d065a9b0f3fab5095cdb15f68ab0975bc3c9
[INFO] running `Command { std: "docker" "start" "-a" "692cc2d98dfd7e6e3caa4f0bcbc8d065a9b0f3fab5095cdb15f68ab0975bc3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "692cc2d98dfd7e6e3caa4f0bcbc8d065a9b0f3fab5095cdb15f68ab0975bc3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692cc2d98dfd7e6e3caa4f0bcbc8d065a9b0f3fab5095cdb15f68ab0975bc3c9", kill_on_drop: false }`
[INFO] [stdout] 692cc2d98dfd7e6e3caa4f0bcbc8d065a9b0f3fab5095cdb15f68ab0975bc3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e586368e8dd26be5a486df04523857e61c8b6eb32aed8eda4f2b63365c1c6a9
[INFO] running `Command { std: "docker" "start" "-a" "1e586368e8dd26be5a486df04523857e61c8b6eb32aed8eda4f2b63365c1c6a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling termion v1.5.4
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling indoc v0.3.4
[INFO] [stderr]    Compiling clone2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/run.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::char;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::board::Board`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::board::Board;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tile::Tile`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::tile::Tile;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::game_over`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::run::game_over;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::mov`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::run::mov;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Up`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::run::Direction::Up;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Down`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::run::Direction::Down;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Left`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::run::Direction::Left;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Right`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::run::Direction::Right;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indoc::indoc`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use indoc::indoc;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Up` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         ^^ help: to match on the variant, qualify the path: `run::Direction::Up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Down` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ help: to match on the variant, qualify the path: `run::Direction::Down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Left` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ help: to match on the variant, qualify the path: `run::Direction::Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Right` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ help: to match on the variant, qualify the path: `run::Direction::Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         -- matches any value
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         -- matches any value
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Up`
[INFO] [stdout]   --> src/run.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_Up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Down`
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Left`
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Right`
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_game_over`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut is_game_over = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_game_over`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut is_game_over = false;
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Up` should have a snake case name
[INFO] [stdout]   --> src/run.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Down` should have a snake case name
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Left` should have a snake case name
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Right` should have a snake case name
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "1e586368e8dd26be5a486df04523857e61c8b6eb32aed8eda4f2b63365c1c6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e586368e8dd26be5a486df04523857e61c8b6eb32aed8eda4f2b63365c1c6a9", kill_on_drop: false }`
[INFO] [stdout] 1e586368e8dd26be5a486df04523857e61c8b6eb32aed8eda4f2b63365c1c6a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0cbd0afe32a3bffa87095f9ac3bc9bd467a7b42c4b32e5f938cbcb499215c7
[INFO] running `Command { std: "docker" "start" "-a" "ac0cbd0afe32a3bffa87095f9ac3bc9bd467a7b42c4b32e5f938cbcb499215c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling clone2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/run.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::char;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::board::Board`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::board::Board;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tile::Tile`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::tile::Tile;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::game_over`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::run::game_over;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::mov`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::run::mov;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Up`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::run::Direction::Up;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Down`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::run::Direction::Down;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Left`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::run::Direction::Left;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run::Direction::Right`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::run::Direction::Right;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indoc::indoc`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use indoc::indoc;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Up` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         ^^ help: to match on the variant, qualify the path: `run::Direction::Up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Down` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ help: to match on the variant, qualify the path: `run::Direction::Down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Left` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ help: to match on the variant, qualify the path: `run::Direction::Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Right` is named the same as one of the variants of the type `run::Direction`
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ help: to match on the variant, qualify the path: `run::Direction::Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         -- matches any value
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         -- matches any value
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Up`
[INFO] [stdout]   --> src/run.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_Up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Down`
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Left`
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Right`
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_game_over`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut is_game_over = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_game_over`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut is_game_over = false;
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Up` should have a snake case name
[INFO] [stdout]   --> src/run.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Up => board.merge_up(),
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Down` should have a snake case name
[INFO] [stdout]   --> src/run.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Down => board.merge_down(),
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `down`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Left` should have a snake case name
[INFO] [stdout]   --> src/run.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Left => board.merge_left(),
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Right` should have a snake case name
[INFO] [stdout]   --> src/run.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Right => board.merge_right()
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ac0cbd0afe32a3bffa87095f9ac3bc9bd467a7b42c4b32e5f938cbcb499215c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0cbd0afe32a3bffa87095f9ac3bc9bd467a7b42c4b32e5f938cbcb499215c7", kill_on_drop: false }`
[INFO] [stdout] ac0cbd0afe32a3bffa87095f9ac3bc9bd467a7b42c4b32e5f938cbcb499215c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bd49ffccb5b4a76d8901f704db4b7f9863400d77b0f3a3875cd803003f8fd18
[INFO] running `Command { std: "docker" "start" "-a" "1bd49ffccb5b4a76d8901f704db4b7f9863400d77b0f3a3875cd803003f8fd18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::vec`
[INFO] [stderr]  --> src/run.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::vec;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::char`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::char;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::board::Board`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::board::Board;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tile::Tile`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::tile::Tile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::run::game_over`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::run::game_over;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::run::mov`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::run::mov;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::run::Direction::Up`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::run::Direction::Up;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::run::Direction::Down`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use crate::run::Direction::Down;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::run::Direction::Left`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::run::Direction::Left;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::run::Direction::Right`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use crate::run::Direction::Right;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `indoc::indoc`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use indoc::indoc;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Up` is named the same as one of the variants of the type `run::Direction`
[INFO] [stderr]   --> src/run.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Up => board.merge_up(),
[INFO] [stderr]    |         ^^ help: to match on the variant, qualify the path: `run::Direction::Up`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Down` is named the same as one of the variants of the type `run::Direction`
[INFO] [stderr]   --> src/run.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         Down => board.merge_down(),
[INFO] [stderr]    |         ^^^^ help: to match on the variant, qualify the path: `run::Direction::Down`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Left` is named the same as one of the variants of the type `run::Direction`
[INFO] [stderr]   --> src/run.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         Left => board.merge_left(),
[INFO] [stderr]    |         ^^^^ help: to match on the variant, qualify the path: `run::Direction::Left`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Right` is named the same as one of the variants of the type `run::Direction`
[INFO] [stderr]   --> src/run.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         Right => board.merge_right()
[INFO] [stderr]    |         ^^^^^ help: to match on the variant, qualify the path: `run::Direction::Right`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/run.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Up => board.merge_up(),
[INFO] [stderr]    |         -- matches any value
[INFO] [stderr] 65 |         Down => board.merge_down(),
[INFO] [stderr]    |         ^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/run.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Up => board.merge_up(),
[INFO] [stderr]    |         -- matches any value
[INFO] [stderr] 65 |         Down => board.merge_down(),
[INFO] [stderr] 66 |         Left => board.merge_left(),
[INFO] [stderr]    |         ^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/run.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Up => board.merge_up(),
[INFO] [stderr]    |         -- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 67 |         Right => board.merge_right()
[INFO] [stderr]    |         ^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Up`
[INFO] [stderr]   --> src/run.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Up => board.merge_up(),
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_Up`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Down`
[INFO] [stderr]   --> src/run.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         Down => board.merge_down(),
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Down`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Left`
[INFO] [stderr]   --> src/run.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         Left => board.merge_left(),
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Right`
[INFO] [stderr]   --> src/run.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         Right => board.merge_right()
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_Right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_game_over`
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut is_game_over = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_game_over`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut is_game_over = false;
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Up` should have a snake case name
[INFO] [stderr]   --> src/run.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Up => board.merge_up(),
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `up`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Down` should have a snake case name
[INFO] [stderr]   --> src/run.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         Down => board.merge_down(),
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `down`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Left` should have a snake case name
[INFO] [stderr]   --> src/run.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         Left => board.merge_left(),
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Right` should have a snake case name
[INFO] [stderr]   --> src/run.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         Right => board.merge_right()
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `right`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning: `clone2048` (bin "clone2048" test) generated 29 warnings (run `cargo fix --bin "clone2048" --tests` to apply 22 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/clone2048-408f62560cc84329)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test board::board_tests::test_merge_left_multiple_rows_mixed_values ... ok
[INFO] [stdout] test board::board_tests::test_merge_right_multiple_rows_mixed_values ... ok
[INFO] [stdout] test board::board_tests::test_merge_down_simple ... ok
[INFO] [stdout] test board::board_tests::test_merge_left_multiple_same ... ok
[INFO] [stdout] test board::board_tests::test_merge_up_simple ... ok
[INFO] [stdout] test board::board_tests::test_mov_down_many ... ok
[INFO] [stdout] test board::board_tests::test_mov_left_across_entire_board ... ok
[INFO] [stdout] test board::board_tests::test_mov_left_many_diff_rows ... ok
[INFO] [stdout] test board::board_tests::test_mov_left_one ... ok
[INFO] [stdout] test board::board_tests::test_mov_right_one ... ok
[INFO] [stdout] test board::board_tests::test_mov_down_one ... ok
[INFO] [stdout] test board::board_tests::test_mov_right_many ... ok
[INFO] [stdout] test board::board_tests::test_mov_up_many ... ok
[INFO] [stdout] test board::board_tests::test_mov_up_one ... ok
[INFO] [stdout] test tile::tile_tests::test_merge_none_some ... ok
[INFO] [stdout] test run::lib_tests::simple_test_end_game ... ok
[INFO] [stdout] test tile::tile_tests::test_merge_same_val ... ok
[INFO] [stdout] test tile::tile_tests::test_mov ... ok
[INFO] [stdout] test tile::tile_tests::test_new ... ok
[INFO] [stdout] test board::board_tests::test_merge_right_simple ... ok
[INFO] [stdout] test board::board_tests::test_merge_left_simple ... ok
[INFO] [stdout] test board::board_tests::test_mov_left_many ... ok
[INFO] [stdout] test run::lib_tests::test_game_over ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- run::lib_tests::test_game_over stdout ----
[INFO] [stdout] thread 'run::lib_tests::test_game_over' panicked at 'index out of bounds: the len is 4 but the index is 4', src/run.rs:39:26
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557b48f9356a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557b48f9356a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557b48f9356a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x557b48f9356a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x557b48fb71ff - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x557b48f908b5 - std::io::Write::write_fmt::hd24bfb68a1b35a25
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x557b48f93335 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x557b48f93335 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x557b48f94fee - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x557b48f94d21 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:285:9
[INFO] [stdout]   10:     0x557b48f2d32b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h87fe9f7b2fd49e4c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   11:     0x557b48f2d32b - test::test_main::{{closure}}::he94d679243a7531b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x557b48f956d4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   13:     0x557b48f956d4 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stdout]   14:     0x557b48f95449 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   15:     0x557b48f939d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x557b48f951a2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   17:     0x557b48eecff3 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   18:     0x557b48eed162 - core::panicking::panic_bounds_check::h21bad263cb3402ae
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:162:5
[INFO] [stdout]   19:     0x557b48ef61ee - <usize as core::slice::index::SliceIndex<[T]>>::index::hc2a48b308d7b4177
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/slice/index.rs:261:10
[INFO] [stdout]   20:     0x557b48ef7ee4 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::hd64a77e2c5b623df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/slice/index.rs:19:9
[INFO] [stdout]   21:     0x557b48ef7ee4 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::hccbb27ced0484b18
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/vec/mod.rs:2691:9
[INFO] [stdout]   22:     0x557b48ef979b - clone2048::run::game_over::hc8fef8add532cc23
[INFO] [stdout]                                at /opt/rustwide/workdir/src/run.rs:39:26
[INFO] [stdout]   23:     0x557b48ef69dc - clone2048::run::lib_tests::test_game_over::h94050404c151e58a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/run.rs:172:26
[INFO] [stdout]   24:     0x557b48ef68e7 - clone2048::run::lib_tests::test_game_over::{{closure}}::h98aef170247bdcbb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/run.rs:163:25
[INFO] [stdout]   25:     0x557b48ef9065 - core::ops::function::FnOnce::call_once::he3edd3a90f17c319
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x557b48f321ff - core::ops::function::FnOnce::call_once::ha6a70e79f7481a7e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x557b48f321ff - test::__rust_begin_short_backtrace::hce33033019b61e69
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:655:18
[INFO] [stdout]   28:     0x557b48eff9ec - test::run_test::{{closure}}::h858d3528838ae3e5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:646:30
[INFO] [stdout]   29:     0x557b48eff9ec - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8ac2b00f01ae79e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x557b48f312d6 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8093d25b522725ef
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   31:     0x557b48f312d6 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5c334c204e4a3913
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x557b48f312d6 - std::panicking::try::do_call::ha8b740c7b9478074
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   33:     0x557b48f312d6 - std::panicking::try::h5d34f63d0e41b64e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   34:     0x557b48f312d6 - std::panic::catch_unwind::hcfbb511e1aa7fc67
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   35:     0x557b48f312d6 - test::run_test_in_process::h9abda90f802eaf21
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:678:27
[INFO] [stdout]   36:     0x557b48f312d6 - test::run_test::run_test_inner::{{closure}}::h0f058de91f6c6edf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:572:39
[INFO] [stdout]   37:     0x557b48efa1f5 - test::run_test::run_test_inner::{{closure}}::h5ca48a4c59c6c1fb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:599:37
[INFO] [stdout]   38:     0x557b48efa1f5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32bd51e1495d4a33
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   39:     0x557b48eff731 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc086fae9b128b2db
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:526:17
[INFO] [stdout]   40:     0x557b48eff731 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66571888d270d43
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   41:     0x557b48eff731 - std::panicking::try::do_call::h4fa2ef4f6e51fecf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   42:     0x557b48eff731 - std::panicking::try::h1e9e22b8584489b5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   43:     0x557b48eff731 - std::panic::catch_unwind::h44698a3de0e0769e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   44:     0x557b48eff731 - std::thread::Builder::spawn_unchecked_::{{closure}}::h50153abde3fe239e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:525:30
[INFO] [stdout]   45:     0x557b48eff731 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe5bbf6f38394364
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x557b48f99ba5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   47:     0x557b48f99ba5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   48:     0x557b48f99ba5 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   49:     0x7f580328db43 - <unknown>
[INFO] [stdout]   50:     0x7f580331ebb4 - __clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     run::lib_tests::test_game_over
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 22 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin clone2048`
[INFO] running `Command { std: "docker" "inspect" "1bd49ffccb5b4a76d8901f704db4b7f9863400d77b0f3a3875cd803003f8fd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd49ffccb5b4a76d8901f704db4b7f9863400d77b0f3a3875cd803003f8fd18", kill_on_drop: false }`
[INFO] [stdout] 1bd49ffccb5b4a76d8901f704db4b7f9863400d77b0f3a3875cd803003f8fd18
