[INFO] cloning repository https://github.com/m-barrera/tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-barrera/tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-barrera%2Ftic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-barrera%2Ftic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2facfc04c45dd9d0cb010f5b1907dede17e15073
[INFO] testing m-barrera/tic-tac-toe against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-barrera%2Ftic-tac-toe" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-barrera/tic-tac-toe on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m-barrera/tic-tac-toe
[INFO] finished tweaking git repo https://github.com/m-barrera/tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/m-barrera/tic-tac-toe written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/m-barrera/tic-tac-toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76097dacd3fb3c9845341d9bd5b225b05453c218116a36f96c7e01f909c4de54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76097dacd3fb3c9845341d9bd5b225b05453c218116a36f96c7e01f909c4de54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76097dacd3fb3c9845341d9bd5b225b05453c218116a36f96c7e01f909c4de54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76097dacd3fb3c9845341d9bd5b225b05453c218116a36f96c7e01f909c4de54", kill_on_drop: false }`
[INFO] [stdout] 76097dacd3fb3c9845341d9bd5b225b05453c218116a36f96c7e01f909c4de54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975d21362bc5391cf40088d7ff651abd5aab91e02eb8734d4906e1be914905fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "975d21362bc5391cf40088d7ff651abd5aab91e02eb8734d4906e1be914905fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "975d21362bc5391cf40088d7ff651abd5aab91e02eb8734d4906e1be914905fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975d21362bc5391cf40088d7ff651abd5aab91e02eb8734d4906e1be914905fb", kill_on_drop: false }`
[INFO] [stdout] 975d21362bc5391cf40088d7ff651abd5aab91e02eb8734d4906e1be914905fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e3360df6c7694d6063ebcd0a0e63fc181b3e9b8e7ff3940d407d90f7cb51c29
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e3360df6c7694d6063ebcd0a0e63fc181b3e9b8e7ff3940d407d90f7cb51c29", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_horizontal_win_by_X` should have a snake case name
[INFO] [stdout]    --> src/board.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn test_horizontal_win_by_X(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_horizontal_win_by_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         b.fill_cell(0,0, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         b.fill_cell(0,1, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         b.fill_cell(0,2, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_horizontal_win_by_O` should have a snake case name
[INFO] [stdout]    --> src/board.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn test_horizontal_win_by_O(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_horizontal_win_by_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         b.fill_cell(0,0, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         b.fill_cell(0,1, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         b.fill_cell(0,2, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_vertical_win_by_X` should have a snake case name
[INFO] [stdout]    --> src/board.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn test_vertical_win_by_X(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_vertical_win_by_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         b.fill_cell(0,0, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         b.fill_cell(1,0, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         b.fill_cell(2,0, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_vertical_win_by_O` should have a snake case name
[INFO] [stdout]    --> src/board.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn test_vertical_win_by_O(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_vertical_win_by_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         b.fill_cell(0,0, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         b.fill_cell(1,0, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         b.fill_cell(2,0, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_diagonal_win_by_X` should have a snake case name
[INFO] [stdout]    --> src/board.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn test_diagonal_win_by_X(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_diagonal_win_by_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         b.fill_cell(0,0, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         b.fill_cell(1,1, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         b.fill_cell(2,2, Player::X);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_diagonal_win_by_O` should have a snake case name
[INFO] [stdout]    --> src/board.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn test_diagonal_win_by_O(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_diagonal_win_by_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         b.fill_cell(0,0, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         b.fill_cell(1,1, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         b.fill_cell(2,2, Player::O);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "8e3360df6c7694d6063ebcd0a0e63fc181b3e9b8e7ff3940d407d90f7cb51c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3360df6c7694d6063ebcd0a0e63fc181b3e9b8e7ff3940d407d90f7cb51c29", kill_on_drop: false }`
[INFO] [stdout] 8e3360df6c7694d6063ebcd0a0e63fc181b3e9b8e7ff3940d407d90f7cb51c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5077df17e22258e961fc8399b6826509c6a6278583700601a260b80bd17f130
[INFO] running `Command { std: "docker" "start" "-a" "c5077df17e22258e961fc8399b6826509c6a6278583700601a260b80bd17f130", kill_on_drop: false }`
[INFO] [stderr] warning: function `test_horizontal_win_by_X` should have a snake case name
[INFO] [stderr]    --> src/board.rs:131:8
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn test_horizontal_win_by_X(){
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_horizontal_win_by_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         b.fill_cell(0,0, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         b.fill_cell(0,1, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         b.fill_cell(0,2, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_horizontal_win_by_O` should have a snake case name
[INFO] [stderr]    --> src/board.rs:141:8
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn test_horizontal_win_by_O(){
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_horizontal_win_by_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         b.fill_cell(0,0, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         b.fill_cell(0,1, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         b.fill_cell(0,2, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_vertical_win_by_X` should have a snake case name
[INFO] [stderr]    --> src/board.rs:152:8
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn test_vertical_win_by_X(){
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_vertical_win_by_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         b.fill_cell(0,0, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         b.fill_cell(1,0, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         b.fill_cell(2,0, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_vertical_win_by_O` should have a snake case name
[INFO] [stderr]    --> src/board.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn test_vertical_win_by_O(){
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_vertical_win_by_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |         b.fill_cell(0,0, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         b.fill_cell(1,0, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         b.fill_cell(2,0, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_diagonal_win_by_X` should have a snake case name
[INFO] [stderr]    --> src/board.rs:172:8
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn test_diagonal_win_by_X(){
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_diagonal_win_by_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         b.fill_cell(0,0, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         b.fill_cell(1,1, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         b.fill_cell(2,2, Player::X);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_diagonal_win_by_O` should have a snake case name
[INFO] [stderr]    --> src/board.rs:182:8
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn test_diagonal_win_by_O(){
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_diagonal_win_by_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         b.fill_cell(0,0, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         b.fill_cell(1,1, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         b.fill_cell(2,2, Player::O);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `tic-tac-toe` (bin "tic-tac-toe" test) generated 24 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tic_tac_toe-4f53cc253c452c74)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test board::test::test_diagonal_win_by_O ... ok
[INFO] [stdout] test board::test::test_horizontal_win_by_O ... ok
[INFO] [stdout] test board::test::test_vertical_win_by_O ... ok
[INFO] [stdout] test board::test::test_vertical_win_by_X ... ok
[INFO] [stdout] test board::test::test_horizontal_win_by_X ... ok
[INFO] [stdout] test board::test::test_diagonal_win_by_X ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5077df17e22258e961fc8399b6826509c6a6278583700601a260b80bd17f130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5077df17e22258e961fc8399b6826509c6a6278583700601a260b80bd17f130", kill_on_drop: false }`
[INFO] [stdout] c5077df17e22258e961fc8399b6826509c6a6278583700601a260b80bd17f130