[INFO] cloning repository https://github.com/mikasaurus2/miktactoe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikasaurus2/miktactoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikasaurus2%2Fmiktactoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikasaurus2%2Fmiktactoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6dd82b831011d8373e66127ab55f2c9023e247c
[INFO] testing mikasaurus2/miktactoe against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikasaurus2%2Fmiktactoe" "/workspace/builds/worker-85/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikasaurus2/miktactoe on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikasaurus2/miktactoe
[INFO] finished tweaking git repo https://github.com/mikasaurus2/miktactoe
[INFO] tweaked toml for git repo https://github.com/mikasaurus2/miktactoe written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate git repo https://github.com/mikasaurus2/miktactoe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5be6e9e1c0e53c530eede20cbff3f1c920905adb95869bc0567f29b095c94272
[INFO] running `Command { std: "docker" "start" "-a" "5be6e9e1c0e53c530eede20cbff3f1c920905adb95869bc0567f29b095c94272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5be6e9e1c0e53c530eede20cbff3f1c920905adb95869bc0567f29b095c94272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be6e9e1c0e53c530eede20cbff3f1c920905adb95869bc0567f29b095c94272", kill_on_drop: false }`
[INFO] [stdout] 5be6e9e1c0e53c530eede20cbff3f1c920905adb95869bc0567f29b095c94272
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2f0bd0c15dbf97fa2f76d58f3bb99ceb8258ed403da5c2aa4401b9c66264c4
[INFO] running `Command { std: "docker" "start" "-a" "9e2f0bd0c15dbf97fa2f76d58f3bb99ceb8258ed403da5c2aa4401b9c66264c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling miktactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/board.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ai_basic::BasicAI`, `ai_forking::ForkingAI`, `ai_random::RandomAI`, `human::Human`
[INFO] [stdout]  --> src/game.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ai_basic::BasicAI, ai_forking::ForkingAI, ai_optimal::OptimalAI, ai_random::RandomAI,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     human::Human,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_info`
[INFO] [stdout]    --> src/board.rs:325:12
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn print_info(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/board.rs:482:12
[INFO] [stdout]     |
[INFO] [stdout] 482 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/human.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(name: &str, marker: Marker) -> Human {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/human.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_valid_move(&self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomAI`
[INFO] [stdout]  --> src/player/ai_random.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RandomAI<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_random.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(name: &str, marker: Marker) -> RandomAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_random.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BasicAI`
[INFO] [stdout]  --> src/player/ai_basic.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BasicAI<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_basic.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(name: &str, marker: Marker) -> BasicAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_basic.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ForkingAI`
[INFO] [stdout]  --> src/player/ai_forking.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ForkingAI<'a> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_forking.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(name: &str, marker: Marker) -> ForkingAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_forking.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "9e2f0bd0c15dbf97fa2f76d58f3bb99ceb8258ed403da5c2aa4401b9c66264c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2f0bd0c15dbf97fa2f76d58f3bb99ceb8258ed403da5c2aa4401b9c66264c4", kill_on_drop: false }`
[INFO] [stdout] 9e2f0bd0c15dbf97fa2f76d58f3bb99ceb8258ed403da5c2aa4401b9c66264c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4d61f17ddecfd322bcb21f0bed0f4600f366ff2364b663bbfa06e2d4a6cac5
[INFO] running `Command { std: "docker" "start" "-a" "dc4d61f17ddecfd322bcb21f0bed0f4600f366ff2364b663bbfa06e2d4a6cac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling miktactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/board.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ai_basic::BasicAI`, `ai_forking::ForkingAI`, `ai_random::RandomAI`, `human::Human`
[INFO] [stdout]  --> src/game.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ai_basic::BasicAI, ai_forking::ForkingAI, ai_optimal::OptimalAI, ai_random::RandomAI,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     human::Human,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_info`
[INFO] [stdout]    --> src/board.rs:325:12
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn print_info(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/board.rs:482:12
[INFO] [stdout]     |
[INFO] [stdout] 482 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/human.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(name: &str, marker: Marker) -> Human {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/human.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_valid_move(&self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomAI`
[INFO] [stdout]  --> src/player/ai_random.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RandomAI<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_random.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(name: &str, marker: Marker) -> RandomAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_random.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BasicAI`
[INFO] [stdout]  --> src/player/ai_basic.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BasicAI<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_basic.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(name: &str, marker: Marker) -> BasicAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_basic.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ForkingAI`
[INFO] [stdout]  --> src/player/ai_forking.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ForkingAI<'a> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_forking.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(name: &str, marker: Marker) -> ForkingAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_forking.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/board.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ai_basic::BasicAI`, `ai_forking::ForkingAI`, `ai_random::RandomAI`, `human::Human`
[INFO] [stdout]  --> src/game.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ai_basic::BasicAI, ai_forking::ForkingAI, ai_optimal::OptimalAI, ai_random::RandomAI,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     human::Human,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_info`
[INFO] [stdout]    --> src/board.rs:325:12
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn print_info(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/board.rs:482:12
[INFO] [stdout]     |
[INFO] [stdout] 482 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/human.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(name: &str, marker: Marker) -> Human {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/human.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn get_valid_move(&self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomAI`
[INFO] [stdout]  --> src/player/ai_random.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RandomAI<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_random.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(name: &str, marker: Marker) -> RandomAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_random.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BasicAI`
[INFO] [stdout]  --> src/player/ai_basic.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BasicAI<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_basic.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(name: &str, marker: Marker) -> BasicAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_basic.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ForkingAI`
[INFO] [stdout]  --> src/player/ai_forking.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ForkingAI<'a> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/player/ai_forking.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(name: &str, marker: Marker) -> ForkingAI {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_move`
[INFO] [stdout]   --> src/player/ai_forking.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "dc4d61f17ddecfd322bcb21f0bed0f4600f366ff2364b663bbfa06e2d4a6cac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4d61f17ddecfd322bcb21f0bed0f4600f366ff2364b663bbfa06e2d4a6cac5", kill_on_drop: false }`
[INFO] [stdout] dc4d61f17ddecfd322bcb21f0bed0f4600f366ff2364b663bbfa06e2d4a6cac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 052342720ac9f39f94a8fdbd26b308919a47692053ec0fef0abd0fedb46491db
[INFO] running `Command { std: "docker" "start" "-a" "052342720ac9f39f94a8fdbd26b308919a47692053ec0fef0abd0fedb46491db", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]  --> src/board.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::thread_rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ai_basic::BasicAI`, `ai_forking::ForkingAI`, `ai_random::RandomAI`, `human::Human`
[INFO] [stderr]  --> src/game.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ai_basic::BasicAI, ai_forking::ForkingAI, ai_optimal::OptimalAI, ai_random::RandomAI,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 9 |     human::Human,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_info`
[INFO] [stderr]    --> src/board.rs:325:12
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn print_info(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/board.rs:482:12
[INFO] [stderr]     |
[INFO] [stderr] 482 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/player/human.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(name: &str, marker: Marker) -> Human {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_valid_move`
[INFO] [stderr]   --> src/player/human.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn get_valid_move(&self, board: &Board) -> CellCoord {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RandomAI`
[INFO] [stderr]  --> src/player/ai_random.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct RandomAI<'a> {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/player/ai_random.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(name: &str, marker: Marker) -> RandomAI {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_valid_move`
[INFO] [stderr]   --> src/player/ai_random.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BasicAI`
[INFO] [stderr]  --> src/player/ai_basic.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct BasicAI<'a> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/player/ai_basic.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(name: &str, marker: Marker) -> BasicAI {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_valid_move`
[INFO] [stderr]   --> src/player/ai_basic.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ForkingAI`
[INFO] [stderr]  --> src/player/ai_forking.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct ForkingAI<'a> {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/player/ai_forking.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(name: &str, marker: Marker) -> ForkingAI {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_valid_move`
[INFO] [stderr]   --> src/player/ai_forking.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn get_valid_move(&mut self, board: &Board) -> CellCoord {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `miktactoe` (lib) generated 15 warnings
[INFO] [stderr] warning: `miktactoe` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/miktactoe-23c6e3c6863ce559)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test board::tests::checks_column_not_win ... ok
[INFO] [stdout] test board::tests::checks_column_win ... ok
[INFO] [stdout] test board::tests::checks_tie ... ok
[INFO] [stdout] test board::tests::gets_edge_moves ... ok
[INFO] [stdout] test board::tests::checks_row_win ... ok
[INFO] [stdout] test board::tests::checks_diag_win ... ok
[INFO] [stdout] test board::tests::checks_row_not_win ... ok
[INFO] [stdout] test board::tests::gets_corner_moves ... ok
[INFO] [stdout] test board::tests::gets_forking_move ... ok
[INFO] [stdout] test board::tests::gets_winning_move_column ... ok
[INFO] [stdout] test board::tests::gets_winning_move_none ... ok
[INFO] [stdout] test board::tests::validates_move_to_used_cell ... ok
[INFO] [stdout] test board::tests::gets_winning_move_diag ... ok
[INFO] [stdout] test board::tests::validates_out_of_bounds_move ... ok
[INFO] [stdout] test board::tests::gets_winning_move_row ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/miktactoe-7998cf6843090e3a)
[INFO] [stdout] test player::ai_optimal::tests::blocks_winning_move ... ok
[INFO] [stdout] test player::ai_optimal::tests::makes_winning_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests miktactoe
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "052342720ac9f39f94a8fdbd26b308919a47692053ec0fef0abd0fedb46491db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052342720ac9f39f94a8fdbd26b308919a47692053ec0fef0abd0fedb46491db", kill_on_drop: false }`
[INFO] [stdout] 052342720ac9f39f94a8fdbd26b308919a47692053ec0fef0abd0fedb46491db