[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] building de-passage/tic-tac-toe.rust against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[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/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/de-passage/tic-tac-toe.rust on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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/source/Cargo.toml
[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: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5199f055339f86a5baa6c782db8e3c13a5d6a1ab1009b56378a5786fe5812104
[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" "5199f055339f86a5baa6c782db8e3c13a5d6a1ab1009b56378a5786fe5812104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5199f055339f86a5baa6c782db8e3c13a5d6a1ab1009b56378a5786fe5812104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5199f055339f86a5baa6c782db8e3c13a5d6a1ab1009b56378a5786fe5812104", kill_on_drop: false }`
[INFO] [stdout] 5199f055339f86a5baa6c782db8e3c13a5d6a1ab1009b56378a5786fe5812104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55a82ed6e4bf4de5f6d75f10b9dd502361355810c8a3e14cfde039dd76503f7a
[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" "55a82ed6e4bf4de5f6d75f10b9dd502361355810c8a3e14cfde039dd76503f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn play(&mut self, player: &Player) -> Result<(), String> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 |     pub fn available_moves(&self) -> std::iter::Filter<std::iter::Enumerate<std::slice::Iter<PlayerID>>, &Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |                                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&(usize, &PlayerID)) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> (usize, usize)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55a82ed6e4bf4de5f6d75f10b9dd502361355810c8a3e14cfde039dd76503f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a82ed6e4bf4de5f6d75f10b9dd502361355810c8a3e14cfde039dd76503f7a", kill_on_drop: false }`
[INFO] [stdout] 55a82ed6e4bf4de5f6d75f10b9dd502361355810c8a3e14cfde039dd76503f7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] c2346d9b2b95e911f2071c33f7e5d5abdc633b8e89ef4a8ea93166b6718f8010
[INFO] running `Command { std: "docker" "start" "-a" "c2346d9b2b95e911f2071c33f7e5d5abdc633b8e89ef4a8ea93166b6718f8010", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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]    |                                     ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 |     pub fn available_moves(&self) -> std::iter::Filter<std::iter::Enumerate<std::slice::Iter<PlayerID>>, &Fn(&(usize, &PlayerID)) -> bool> {
[INFO] [stdout]    |                                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&(usize, &PlayerID)) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> (usize, usize)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tic-tac-toe`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c2346d9b2b95e911f2071c33f7e5d5abdc633b8e89ef4a8ea93166b6718f8010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2346d9b2b95e911f2071c33f7e5d5abdc633b8e89ef4a8ea93166b6718f8010", kill_on_drop: false }`
[INFO] [stdout] c2346d9b2b95e911f2071c33f7e5d5abdc633b8e89ef4a8ea93166b6718f8010
