[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-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdasilvar93%2F2048Clone" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dasilvar93/2048Clone on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-97/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: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e75c8d96748fc2b92394de3306a8654370a0b0e2f8c7db38e0094a8edc186c
[INFO] running `Command { std: "docker" "start" "-a" "b5e75c8d96748fc2b92394de3306a8654370a0b0e2f8c7db38e0094a8edc186c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e75c8d96748fc2b92394de3306a8654370a0b0e2f8c7db38e0094a8edc186c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e75c8d96748fc2b92394de3306a8654370a0b0e2f8c7db38e0094a8edc186c", kill_on_drop: false }`
[INFO] [stdout] b5e75c8d96748fc2b92394de3306a8654370a0b0e2f8c7db38e0094a8edc186c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0f8d564443e8d4eab6151a62b07f78f9613ffaca5c19ff292da354492a7bcf2
[INFO] running `Command { std: "docker" "start" "-a" "c0f8d564443e8d4eab6151a62b07f78f9613ffaca5c19ff292da354492a7bcf2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[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 `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: `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 `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: `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 `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: `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 `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: `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: `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]    = note: `#[warn(unused_variables)]` on by default
[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] 
[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: 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 13.50s
[INFO] running `Command { std: "docker" "inspect" "c0f8d564443e8d4eab6151a62b07f78f9613ffaca5c19ff292da354492a7bcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f8d564443e8d4eab6151a62b07f78f9613ffaca5c19ff292da354492a7bcf2", kill_on_drop: false }`
[INFO] [stdout] c0f8d564443e8d4eab6151a62b07f78f9613ffaca5c19ff292da354492a7bcf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc5258aca993b6e628b59cd70480c1606afd1e0afc1d491c0b8c51d583912f15
[INFO] running `Command { std: "docker" "start" "-a" "bc5258aca993b6e628b59cd70480c1606afd1e0afc1d491c0b8c51d583912f15", 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 `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: `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 `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: `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 `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: `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 `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: `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: `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]    = note: `#[warn(unused_variables)]` on by default
[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] 
[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: 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 2.61s
[INFO] running `Command { std: "docker" "inspect" "bc5258aca993b6e628b59cd70480c1606afd1e0afc1d491c0b8c51d583912f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5258aca993b6e628b59cd70480c1606afd1e0afc1d491c0b8c51d583912f15", kill_on_drop: false }`
[INFO] [stdout] bc5258aca993b6e628b59cd70480c1606afd1e0afc1d491c0b8c51d583912f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 141ef650c7e396107bf19222be5dcc3483572856820f2997efc6c950c86e98d5
[INFO] running `Command { std: "docker" "start" "-a" "141ef650c7e396107bf19222be5dcc3483572856820f2997efc6c950c86e98d5", 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 `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: `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 `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: `Direction::Down`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Left` is named the same as one of the variants of the type `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: `Direction::Left`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Right` is named the same as one of the variants of the type `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: `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: `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]    = note: `#[warn(unused_variables)]` on by default
[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] 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: 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
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/clone2048-cb054c06cc7c3f8c)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[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_left_simple ... ok
[INFO] [stdout] test board::board_tests::test_merge_right_multiple_rows_mixed_values ... ok
[INFO] [stdout] test board::board_tests::test_merge_right_simple ... 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_down_one ... ok
[INFO] [stdout] test board::board_tests::test_mov_left_across_entire_board ... ok
[INFO] [stdout] test board::board_tests::test_merge_left_multiple_rows_mixed_values ... ok
[INFO] [stdout] test board::board_tests::test_mov_left_many ... 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_many ... ok
[INFO] [stdout] test board::board_tests::test_mov_right_one ... 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 tile::tile_tests::test_merge_same_val ... ok
[INFO] [stdout] test run::lib_tests::simple_test_end_game ... ok
[INFO] [stdout] test tile::tile_tests::test_mov ... ok
[INFO] [stdout] test tile::tile_tests::test_new ... 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:     0x55e486978490 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55e486978490 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e486978490 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55e486978490 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55e48699ac6c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55e4869753f5 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55e48697a60b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55e48697a60b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55e48697a60b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55e48697a11c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55e48697acd4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55e48697a7b7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55e48697896c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55e48697a719 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55e4868db7d1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55e4868db792 - core::panicking::panic_bounds_check::hb9e5d22d3b96691f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:69:5
[INFO] [stdout]   16:     0x55e4868e916e - <usize as core::slice::index::SliceIndex<[T]>>::index::h6ef724ff87784773
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/slice/index.rs:184:10
[INFO] [stdout]   17:     0x55e4868e8f76 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h60140b82e2a693c1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/slice/index.rs:15:9
[INFO] [stdout]   18:     0x55e4868e74d7 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::he9f0840784ebe8c5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/vec/mod.rs:2432:9
[INFO] [stdout]   19:     0x55e4868e5911 - clone2048::run::game_over::h4c60cb0a8373e5cc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/run.rs:39:26
[INFO] [stdout]   20:     0x55e4868e891a - clone2048::run::lib_tests::test_game_over::hc35fd98f6f3bd1bf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/run.rs:172:26
[INFO] [stdout]   21:     0x55e4868e880a - clone2048::run::lib_tests::test_game_over::{{closure}}::hc792d2bfcbd896a5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/run.rs:163:5
[INFO] [stdout]   22:     0x55e4868e462e - core::ops::function::FnOnce::call_once::h095248bc7b6fa0b3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x55e48691cd33 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   24:     0x55e48691cd33 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   25:     0x55e48691b7e8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   26:     0x55e48691b7e8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   27:     0x55e48691b7e8 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   28:     0x55e48691b7e8 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   29:     0x55e48691b7e8 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   30:     0x55e48691b7e8 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   31:     0x55e48691b7e8 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   32:     0x55e4868e9f7d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   33:     0x55e4868e9f7d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   34:     0x55e4868ee748 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   35:     0x55e4868ee748 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   36:     0x55e4868ee748 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   37:     0x55e4868ee748 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   38:     0x55e4868ee748 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   39:     0x55e4868ee748 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   40:     0x55e4868ee748 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   41:     0x55e48697f847 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   42:     0x55e48697f847 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   43:     0x55e48697f847 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   44:     0x7fb3668c5609 - start_thread
[INFO] [stdout]   45:     0x7fb366697293 - clone
[INFO] [stdout]   46:                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 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin clone2048'
[INFO] running `Command { std: "docker" "inspect" "141ef650c7e396107bf19222be5dcc3483572856820f2997efc6c950c86e98d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141ef650c7e396107bf19222be5dcc3483572856820f2997efc6c950c86e98d5", kill_on_drop: false }`
[INFO] [stdout] 141ef650c7e396107bf19222be5dcc3483572856820f2997efc6c950c86e98d5
