[INFO] updating cached repository tubo28/reversi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tubo28/reversi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tubo28/reversi" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tubo28/reversi"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tubo28/reversi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tubo28/reversi" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tubo28/reversi"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tubo28/reversi on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tubo28/reversi against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 243a867bbdb26a3713e2f44deb52b5fa41fc549bfe230d6c6f74cde3ccff29f2
[INFO] running `"docker" "start" "-a" "243a867bbdb26a3713e2f44deb52b5fa41fc549bfe230d6c6f74cde3ccff29f2"`
[INFO] [stderr]     Checking 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/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: 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] 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 1.64s
[INFO] running `"docker" "inspect" "243a867bbdb26a3713e2f44deb52b5fa41fc549bfe230d6c6f74cde3ccff29f2"`
[INFO] running `"docker" "rm" "-f" "243a867bbdb26a3713e2f44deb52b5fa41fc549bfe230d6c6f74cde3ccff29f2"`
[INFO] [stdout] 243a867bbdb26a3713e2f44deb52b5fa41fc549bfe230d6c6f74cde3ccff29f2