[INFO] cloning repository https://github.com/elefAntti/bit_board
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elefAntti/bit_board" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FelefAntti%2Fbit_board", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FelefAntti%2Fbit_board'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1d2ece22c88ae9828d28c1e432b683ccdca6435
[INFO] testing elefAntti/bit_board against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FelefAntti%2Fbit_board" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elefAntti/bit_board on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elefAntti/bit_board
[INFO] finished tweaking git repo https://github.com/elefAntti/bit_board
[INFO] tweaked toml for git repo https://github.com/elefAntti/bit_board written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/elefAntti/bit_board already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7259e545bfc5ef92e26321fea081702db75656339322e1e842ca58fa2f88b71
[INFO] running `Command { std: "docker" "start" "-a" "f7259e545bfc5ef92e26321fea081702db75656339322e1e842ca58fa2f88b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7259e545bfc5ef92e26321fea081702db75656339322e1e842ca58fa2f88b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7259e545bfc5ef92e26321fea081702db75656339322e1e842ca58fa2f88b71", kill_on_drop: false }`
[INFO] [stdout] f7259e545bfc5ef92e26321fea081702db75656339322e1e842ca58fa2f88b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49916b7f4a64520ad5ddc5d6bc641a15f1c62b05df8d95c92fa4168e51ca100d
[INFO] running `Command { std: "docker" "start" "-a" "49916b7f4a64520ad5ddc5d6bc641a15f1c62b05df8d95c92fa4168e51ca100d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | type OthelloPlayer = game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >`
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/ai.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut best_score = -Self::Evaluator::MAX_SCORE;
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "49916b7f4a64520ad5ddc5d6bc641a15f1c62b05df8d95c92fa4168e51ca100d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49916b7f4a64520ad5ddc5d6bc641a15f1c62b05df8d95c92fa4168e51ca100d", kill_on_drop: false }`
[INFO] [stdout] 49916b7f4a64520ad5ddc5d6bc641a15f1c62b05df8d95c92fa4168e51ca100d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ef41b32822e258029e45e155ab144bd325de70822181daebae4c0c88a323ec
[INFO] running `Command { std: "docker" "start" "-a" "16ef41b32822e258029e45e155ab144bd325de70822181daebae4c0c88a323ec", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | type OthelloPlayer = game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >`
[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] [stderr]    Compiling bit_board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ai.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut best_score = -Self::Evaluator::MAX_SCORE;
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | type OthelloPlayer = game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >`
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/ai.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut best_score = -Self::Evaluator::MAX_SCORE;
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "16ef41b32822e258029e45e155ab144bd325de70822181daebae4c0c88a323ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ef41b32822e258029e45e155ab144bd325de70822181daebae4c0c88a323ec", kill_on_drop: false }`
[INFO] [stdout] 16ef41b32822e258029e45e155ab144bd325de70822181daebae4c0c88a323ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c980171a838c4c946dc9178f58980dceab8559bbae3317b91d803cf3fa72979
[INFO] running `Command { std: "docker" "start" "-a" "8c980171a838c4c946dc9178f58980dceab8559bbae3317b91d803cf3fa72979", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 22 tests
[INFO] [stderr]   --> src/lib.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 | type OthelloPlayer = game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ai.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let mut best_score = -Self::Evaluator::MAX_SCORE;
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 | type OthelloPlayer = game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn game::Player< Situation = othello::OthelloSituation, Move = OthelloMove >`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ai.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let mut best_score = -Self::Evaluator::MAX_SCORE;
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bit_board-9c89304992cdc3c6)
[INFO] [stdout] test bitboard::test::test_shift_left ... ok
[INFO] [stdout] test bitboard::test::test_shift_right ... ok
[INFO] [stdout] test othello::players::tests::bench_ab_player_d3 ... ok
[INFO] [stdout] test bitboard::test::test_board_creation ... ok
[INFO] [stdout] test bitboard::test::test_print_board ... ok
[INFO] [stdout] test othello::tests::play_on_top_white ... ok
[INFO] [stdout] test othello::tests::play_in_corner ... ok
[INFO] [stdout] test bitboard::test::test_coord_from_string ... ok
[INFO] [stdout] test othello::tests::bench_generate_moves ... ok
[INFO] [stdout] test othello::players::tests::bench_min_max_player_d3 ... ok
[INFO] [stdout] test othello::tests::play_in_illegal ... ok
[INFO] [stdout] test othello::tests::play_on_top_black ... ok
[INFO] [stdout] test othello::tests::play_legal ... ok
[INFO] [stdout] test othello::players::tests::bench_min_max_player_d5 ... ok
[INFO] [stdout] test bitboard::test::test_shift_up ... ok
[INFO] [stdout] test bitboard::test::test_shift_down ... ok
[INFO] [stdout] test othello::tests::move_from_string ... ok
[INFO] [stdout] test tests::two_random_players ... ok
[INFO] [stdout] test tests::minmax_beats_dummy ... ok
[INFO] [stdout] test tests::minmax_beats_dummy2 ... ok
[INFO] [stdout] test othello::players::tests::bench_ab_player_d7 ... ok
[INFO] [stdout] test othello::players::tests::bench_min_max_player_d7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bit_board-c1861c42cfe38940)
[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 bit_board
[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" "8c980171a838c4c946dc9178f58980dceab8559bbae3317b91d803cf3fa72979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c980171a838c4c946dc9178f58980dceab8559bbae3317b91d803cf3fa72979", kill_on_drop: false }`
[INFO] [stdout] 8c980171a838c4c946dc9178f58980dceab8559bbae3317b91d803cf3fa72979