[INFO] cloning repository tubo28/reversi
[INFO] running `"git" "clone" "--bare" "git://github.com/tubo28/reversi.git" "work/cache/sources/gh/tubo28/reversi"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tubo28/reversi'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tubo28/reversi" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tubo28/reversi"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tubo28/reversi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tubo28/reversi" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tubo28/reversi"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tubo28/reversi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4f9131cf0c9c3b291dd706cf226224e5c5ee05b
[INFO] sha for GitHub repo tubo28/reversi: d4f9131cf0c9c3b291dd706cf226224e5c5ee05b
[INFO] validating manifest of tubo28/reversi on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tubo28/reversi on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tubo28/reversi
[INFO] finished frobbing tubo28/reversi
[INFO] frobbed toml for tubo28/reversi written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tubo28/reversi/Cargo.toml
[INFO] started frobbing tubo28/reversi
[INFO] finished frobbing tubo28/reversi
[INFO] frobbed toml for tubo28/reversi written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tubo28/reversi/Cargo.toml
[INFO] crate tubo28/reversi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing tubo28/reversi against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tubo28/reversi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] cf72afd28e9aaf726673e45b538e55e2290d389c813d2c2e902ce83434125088
[INFO] running `"docker" "start" "-a" "cf72afd28e9aaf726673e45b538e55e2290d389c813d2c2e902ce83434125088"`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:208:68
[INFO] [stderr]     |
[INFO] [stderr] 208 |         fn get_rev(board: &Board, m: Mask, valid: Mask, transfer: &Fn(Mask) -> Mask) -> Mask {
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Mask) -> Mask`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:565:16
[INFO] [stderr]     |
[INFO] [stderr] 565 |     black: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:566:16
[INFO] [stderr]     |
[INFO] [stderr] 566 |     white: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:27
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:47
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stat.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let (black, white): (Box<Player>, Box<Player>) = if seed < num_games / 2 {
[INFO] [stderr]    |                                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stat.rs:26:55
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let (black, white): (Box<Player>, Box<Player>) = if seed < num_games / 2 {
[INFO] [stderr]    |                                                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:208:68
[INFO] [stderr]     |
[INFO] [stderr] 208 |         fn get_rev(board: &Board, m: Mask, valid: Mask, transfer: &Fn(Mask) -> Mask) -> Mask {
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Mask) -> Mask`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:565:16
[INFO] [stderr]     |
[INFO] [stderr] 565 |     black: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:566:16
[INFO] [stderr]     |
[INFO] [stderr] 566 |     white: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:27
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:47
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Some('1') => Box::new(HumanPlayer::new()) as Box<Player>,
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:70
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Some('2') => Box::new(AlphaBetaSearchPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:61
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Some('3') => Box::new(RandomPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:50
[INFO] [stderr]    |
[INFO] [stderr] 18 |         _ => Box::new(HumanPlayer::new()) as Box<Player>,
[INFO] [stderr]    |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:58
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Some('1') => Box::new(HumanPlayer::new()) as Box<Player>,
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:70
[INFO] [stderr]    |
[INFO] [stderr] 25 |         Some('2') => Box::new(AlphaBetaSearchPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:26:61
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Some('3') => Box::new(RandomPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |         _ => Box::new(AlphaBetaSearchPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `HumanPlayer`
[INFO] [stderr]    --> src/reversi.rs:476:1
[INFO] [stderr]     |
[INFO] [stderr] 476 | pub struct HumanPlayer;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/reversi.rs:479:5
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn new() -> HumanPlayer {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `"docker" "inspect" "cf72afd28e9aaf726673e45b538e55e2290d389c813d2c2e902ce83434125088"`
[INFO] running `"docker" "rm" "-f" "cf72afd28e9aaf726673e45b538e55e2290d389c813d2c2e902ce83434125088"`
[INFO] [stdout] cf72afd28e9aaf726673e45b538e55e2290d389c813d2c2e902ce83434125088
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tubo28/reversi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c965dfbe5d0336dae4a708481a6fe56bdb2b3e4ec4c1b9360606652025ed1851
[INFO] running `"docker" "start" "-a" "c965dfbe5d0336dae4a708481a6fe56bdb2b3e4ec4c1b9360606652025ed1851"`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:208:68
[INFO] [stderr]     |
[INFO] [stderr] 208 |         fn get_rev(board: &Board, m: Mask, valid: Mask, transfer: &Fn(Mask) -> Mask) -> Mask {
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Mask) -> Mask`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:565:16
[INFO] [stderr]     |
[INFO] [stderr] 565 |     black: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:566:16
[INFO] [stderr]     |
[INFO] [stderr] 566 |     white: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:27
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:47
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Some('1') => Box::new(HumanPlayer::new()) as Box<Player>,
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:70
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Some('2') => Box::new(AlphaBetaSearchPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:61
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Some('3') => Box::new(RandomPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:50
[INFO] [stderr]    |
[INFO] [stderr] 18 |         _ => Box::new(HumanPlayer::new()) as Box<Player>,
[INFO] [stderr]    |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:58
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Some('1') => Box::new(HumanPlayer::new()) as Box<Player>,
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:70
[INFO] [stderr]    |
[INFO] [stderr] 25 |         Some('2') => Box::new(AlphaBetaSearchPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:26:61
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Some('3') => Box::new(RandomPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |         _ => Box::new(AlphaBetaSearchPlayer::new(28)) as Box<Player>,
[INFO] [stderr]    |                                                              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:208:68
[INFO] [stderr]     |
[INFO] [stderr] 208 |         fn get_rev(board: &Board, m: Mask, valid: Mask, transfer: &Fn(Mask) -> Mask) -> Mask {
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Mask) -> Mask`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:565:16
[INFO] [stderr]     |
[INFO] [stderr] 565 |     black: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:566:16
[INFO] [stderr]     |
[INFO] [stderr] 566 |     white: Box<Player>,
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:27
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reversi.rs:574:47
[INFO] [stderr]     |
[INFO] [stderr] 574 |     pub fn new(black: Box<Player>, white: Box<Player>) -> GameManager {
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stat.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let (black, white): (Box<Player>, Box<Player>) = if seed < num_games / 2 {
[INFO] [stderr]    |                                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stat.rs:26:55
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let (black, white): (Box<Player>, Box<Player>) = if seed < num_games / 2 {
[INFO] [stderr]    |                                                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `HumanPlayer`
[INFO] [stderr]    --> src/reversi.rs:476:1
[INFO] [stderr]     |
[INFO] [stderr] 476 | pub struct HumanPlayer;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/reversi.rs:479:5
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn new() -> HumanPlayer {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "c965dfbe5d0336dae4a708481a6fe56bdb2b3e4ec4c1b9360606652025ed1851"`
[INFO] running `"docker" "rm" "-f" "c965dfbe5d0336dae4a708481a6fe56bdb2b3e4ec4c1b9360606652025ed1851"`
[INFO] [stdout] c965dfbe5d0336dae4a708481a6fe56bdb2b3e4ec4c1b9360606652025ed1851
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tubo28/reversi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] c9dd92d22c1d9629b251efcca770050bf8884a2cedc6af2a3ddaa44f7731fae2
[INFO] running `"docker" "start" "-a" "c9dd92d22c1d9629b251efcca770050bf8884a2cedc6af2a3ddaa44f7731fae2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-046596b1726d3422
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stat-a3f5709f39c54ec9
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c9dd92d22c1d9629b251efcca770050bf8884a2cedc6af2a3ddaa44f7731fae2"`
[INFO] running `"docker" "rm" "-f" "c9dd92d22c1d9629b251efcca770050bf8884a2cedc6af2a3ddaa44f7731fae2"`
[INFO] [stdout] c9dd92d22c1d9629b251efcca770050bf8884a2cedc6af2a3ddaa44f7731fae2