[INFO] cloning repository https://github.com/MikkelPaulson/rust-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/MikkelPaulson/rust-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikkelPaulson%2Frust-tic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikkelPaulson%2Frust-tic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 423bd394f5ce8991c6cb0d96978265ecd3b39215
[INFO] testing MikkelPaulson/rust-tic-tac-toe against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikkelPaulson%2Frust-tic-tac-toe" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MikkelPaulson/rust-tic-tac-toe on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MikkelPaulson/rust-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/MikkelPaulson/rust-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/MikkelPaulson/rust-tic-tac-toe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MikkelPaulson/rust-tic-tac-toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 872d7fa260068591d4d0197d739ff9921c3b8b340923c4c447ad38a322247271
[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" "872d7fa260068591d4d0197d739ff9921c3b8b340923c4c447ad38a322247271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872d7fa260068591d4d0197d739ff9921c3b8b340923c4c447ad38a322247271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872d7fa260068591d4d0197d739ff9921c3b8b340923c4c447ad38a322247271", kill_on_drop: false }`
[INFO] [stdout] 872d7fa260068591d4d0197d739ff9921c3b8b340923c4c447ad38a322247271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 680601d4ae58e41a8530e56238f2aafde4cf8f77442c0b4d8d09a3f839c383b5
[INFO] running `Command { std: "docker" "start" "-a" "680601d4ae58e41a8530e56238f2aafde4cf8f77442c0b4d8d09a3f839c383b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `human::HumanPlayer`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use human::HumanPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rando::RandoPlayer`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rando::RandoPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_verbose`
[INFO] [stdout]   --> src/computer.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new_verbose(player: Player) -> 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: `new_silent`
[INFO] [stdout]   --> src/computer.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new_silent(player: Player) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/human.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(player: Player) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/rando.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `Command { std: "docker" "inspect" "680601d4ae58e41a8530e56238f2aafde4cf8f77442c0b4d8d09a3f839c383b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680601d4ae58e41a8530e56238f2aafde4cf8f77442c0b4d8d09a3f839c383b5", kill_on_drop: false }`
[INFO] [stdout] 680601d4ae58e41a8530e56238f2aafde4cf8f77442c0b4d8d09a3f839c383b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 9ff481f147595e087e17c060c1b5818fd294f5fef5b594a2c64c25495e9444fa
[INFO] running `Command { std: "docker" "start" "-a" "9ff481f147595e087e17c060c1b5818fd294f5fef5b594a2c64c25495e9444fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `human::HumanPlayer`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use human::HumanPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rando::RandoPlayer`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rando::RandoPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_verbose`
[INFO] [stdout]   --> src/computer.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new_verbose(player: Player) -> 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: `new_silent`
[INFO] [stdout]   --> src/computer.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new_silent(player: Player) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/human.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(player: Player) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/rando.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `human::HumanPlayer`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use human::HumanPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_verbose`
[INFO] [stdout]   --> src/computer.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new_verbose(player: Player) -> 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: `new`
[INFO] [stdout]  --> src/human.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(player: Player) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.58s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tic_tac_toe-7f5a29d99cc00569)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tic_tac_toe-2670c0786c6dbe57)
[INFO] running `Command { std: "docker" "inspect" "9ff481f147595e087e17c060c1b5818fd294f5fef5b594a2c64c25495e9444fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff481f147595e087e17c060c1b5818fd294f5fef5b594a2c64c25495e9444fa", kill_on_drop: false }`
[INFO] [stdout] 9ff481f147595e087e17c060c1b5818fd294f5fef5b594a2c64c25495e9444fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 245bd24b369a566c314cd5ca88ebe68c9f3c476373a7f04d01eedecb9fdf91b3
[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" "245bd24b369a566c314cd5ca88ebe68c9f3c476373a7f04d01eedecb9fdf91b3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `human::HumanPlayer`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stdout] running 30 tests
[INFO] [stderr]   |
[INFO] [stdout] test computer::test::blocks_winning_opponent ... ok
[INFO] [stderr] 8 | use human::HumanPlayer;
[INFO] [stdout] test computer::test::prefers_setting_up_fork_over_blocking_opposing_fork ... ok
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test game::test_coordinate::display ... ok
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rando::RandoPlayer`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rando::RandoPlayer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_verbose`
[INFO] [stderr]   --> src/computer.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new_verbose(player: Player) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_silent`
[INFO] [stderr]   --> src/computer.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new_silent(player: Player) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/human.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(player: Player) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/rando.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tic-tac-toe` (lib) generated 6 warnings
[INFO] [stderr] warning: `tic-tac-toe` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tic_tac_toe-7f5a29d99cc00569)
[INFO] [stdout] test game::test_coordinate::from_str_invalid ... ok
[INFO] [stdout] test game::test_grid::display ... ok
[INFO] [stdout] test computer::test::takes_winning_move ... ok
[INFO] [stdout] test game::test_grid::get_winner ... ok
[INFO] [stdout] test game::test_grid::has_legal_moves ... ok
[INFO] [stdout] test game::test_coordinate::from_str_valid ... ok
[INFO] [stdout] test computer::test::blocks_opposing_fork ... ok
[INFO] [stdout] test game::test_coordinate::into_string ... ok
[INFO] [stdout] test computer::test::prefers_winning_move_over_blocking_opponent ... ok
[INFO] [stdout] test game::test_grid::set_space ... ok
[INFO] [stdout] test game::test_grid::get_space ... ok
[INFO] [stdout] test computer::test::sets_up_fork ... ok
[INFO] [stdout] test game::test_grid::empty ... ok
[INFO] [stdout] test game::test_grid::is_legal ... ok
[INFO] [stdout] test game::test_line::get_winner ... ok
[INFO] [stdout] test game::test_line_iterator::test_exact_size_iterator ... ok
[INFO] [stdout] test game::test_line_iterator::test_iterator ... ok
[INFO] [stdout] test test_play::computer_playing_o ... ignored
[INFO] [stdout] test test_play::computer_playing_x ... ignored
[INFO] [stdout] test game::test_space::get_player ... ok
[INFO] [stdout] test game::test_parse_coordinate_error::format ... ok
[INFO] [stdout] test game::test_space::new ... ok
[INFO] [stdout] test game::test_space::display ... ok
[INFO] [stdout] test game::test_illegal_move::display ... ok
[INFO] [stdout] test computer::test::moves_at_random ... ok
[INFO] [stdout] test computer::test::prefers_blocking_opponent_over_setting_up_fork ... ok
[INFO] [stdout] test game::test_grid::lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tic_tac_toe-2670c0786c6dbe57)
[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 tic-tac-toe
[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" "245bd24b369a566c314cd5ca88ebe68c9f3c476373a7f04d01eedecb9fdf91b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245bd24b369a566c314cd5ca88ebe68c9f3c476373a7f04d01eedecb9fdf91b3", kill_on_drop: false }`
[INFO] [stdout] 245bd24b369a566c314cd5ca88ebe68c9f3c476373a7f04d01eedecb9fdf91b3