[INFO] cloning repository https://github.com/de-passage/tic-tac-toe.rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/de-passage/tic-tac-toe.rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-passage%2Ftic-tac-toe.rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-passage%2Ftic-tac-toe.rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5e34ac55f9b7368a2b88ce5495e22bc5f375f34
[INFO] checking de-passage/tic-tac-toe.rust against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-passage%2Ftic-tac-toe.rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/de-passage/tic-tac-toe.rust
[INFO] finished tweaking git repo https://github.com/de-passage/tic-tac-toe.rust
[INFO] tweaked toml for git repo https://github.com/de-passage/tic-tac-toe.rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/de-passage/tic-tac-toe.rust on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/de-passage/tic-tac-toe.rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8946467a03523786982c6bd29e8e8c7687cdf37da26917d6e7b8a5feedaabbd
[INFO] running `Command { std: "docker" "start" "-a" "f8946467a03523786982c6bd29e8e8c7687cdf37da26917d6e7b8a5feedaabbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8946467a03523786982c6bd29e8e8c7687cdf37da26917d6e7b8a5feedaabbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8946467a03523786982c6bd29e8e8c7687cdf37da26917d6e7b8a5feedaabbd", kill_on_drop: false }`
[INFO] [stdout] f8946467a03523786982c6bd29e8e8c7687cdf37da26917d6e7b8a5feedaabbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe841716df20ccabee6996aeaa197a70e72d881c2b8da70e814bc5919104273
[INFO] running `Command { std: "docker" "start" "-a" "cfe841716df20ccabee6996aeaa197a70e72d881c2b8da70e814bc5919104273", kill_on_drop: false }`
[INFO] [stderr]     Checking tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/game_logic.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |     player: &Player,
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 137 |     player: &dyn Player,
[INFO] [stdout]     |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game_logic.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn play(&mut self, player: &Player) -> Result<(), String> {
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn play(&mut self, player: &dyn Player) -> Result<(), String> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game_logic.rs:52:104
[INFO] [stdout]    |
[INFO] [stdout] 52 | ...d::iter::Enumerate<std::slice::Iter<PlayerID>>, &Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn available_moves(&self) -> std::iter::Filter<std::iter::Enumerate<std::slice::Iter<PlayerID>>, &dyn Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/game_logic.rs:153:27
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let full = |locater: Box<Fn(usize, usize) -> (usize, usize)>| {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let full = |locater: Box<dyn Fn(usize, usize) -> (usize, usize)>| {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/game_logic.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let any = |f: &Fn(usize) -> bool| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let any = |f: &dyn Fn(usize) -> bool| {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:245:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 let player: &Player = if current_player == 1 { &Human(1) } else { &Computer(2) };
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 let player: &dyn Player = if current_player == 1 { &Human(1) } else { &Computer(2) };
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/game_logic.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |     player: &Player,
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 137 |     player: &dyn Player,
[INFO] [stdout]     |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game_logic.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn play(&mut self, player: &Player) -> Result<(), String> {
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn play(&mut self, player: &dyn Player) -> Result<(), String> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game_logic.rs:52:104
[INFO] [stdout]    |
[INFO] [stdout] 52 | ...d::iter::Enumerate<std::slice::Iter<PlayerID>>, &Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn available_moves(&self) -> std::iter::Filter<std::iter::Enumerate<std::slice::Iter<PlayerID>>, &dyn Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/game_logic.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 | ..._moves(&self) -> std::iter::Filter<std::iter::Enumerate<std::slice::Iter<PlayerID>>, &Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |           ^^^^^                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |           |                                                |
[INFO] [stdout]    |           the lifetime is elided here                      the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn available_moves(&self) -> std::iter::Filter<std::iter::Enumerate<std::slice::Iter<'_, PlayerID>>, &Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/game_logic.rs:153:27
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let full = |locater: Box<Fn(usize, usize) -> (usize, usize)>| {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let full = |locater: Box<dyn Fn(usize, usize) -> (usize, usize)>| {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/game_logic.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let any = |f: &Fn(usize) -> bool| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let any = |f: &dyn Fn(usize) -> bool| {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tic-tac-toe` (bin "tic-tac-toe" test) due to 9 previous errors; 6 warnings emitted
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:176:10
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let b = Board([1, 2, 1, 2, 0, 2, 1, 2, 1]);
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:183:10
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let b = Board([1, 1, 0, 1, 1, 0, 0, 1, 0]); // the algorithm doesnt actually care that the game is in a valid state
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:193:10
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let b = Board([1, 0, 0, 2, 1, 0, 0, 0, 2]);
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:204:10
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let b = Board([1, 2, 2, 2, 1, 0, 1, 1, 0]);
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:207:10
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let b = Board([1, 0, 0, 0, 0, 2, 0, 0, 2]);
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let b = Board([1, 2, 0, 1, 0, 2, 0, 0, 0]);
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:216:14
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut b = Board([1, 1, 0, 2, 0, 0, 2, 0, 0]);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:223:14
[INFO] [stdout]     |
[INFO] [stdout] 223 |     let mut b = Board([1, 1, 0, 2, 1, 0, 2, 0, 0]);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]    --> src/main.rs:230:14
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut b = Board([0, 0, 0, 2, 0, 1, 2, 0, 1]);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board([PlayerID; 9]);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ private field
[INFO] [stdout] help: consider making the field publicly accessible
[INFO] [stdout]    --> src/game_logic.rs:11:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | pub struct Board(pub [PlayerID; 9]);
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:245:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 let player: &Player = if current_player == 1 { &Human(1) } else { &Computer(2) };
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 let player: &dyn Player = if current_player == 1 { &Human(1) } else { &Computer(2) };
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cfe841716df20ccabee6996aeaa197a70e72d881c2b8da70e814bc5919104273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe841716df20ccabee6996aeaa197a70e72d881c2b8da70e814bc5919104273", kill_on_drop: false }`
[INFO] [stdout] cfe841716df20ccabee6996aeaa197a70e72d881c2b8da70e814bc5919104273
