[INFO] cloning repository https://github.com/NickChubb/ReversiMCTS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NickChubb/ReversiMCTS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d64131cb6f8cebc86090d4c2bee69fcbf607517
[INFO] testing NickChubb/ReversiMCTS against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NickChubb/ReversiMCTS on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NickChubb/ReversiMCTS
[INFO] finished tweaking git repo https://github.com/NickChubb/ReversiMCTS
[INFO] tweaked toml for git repo https://github.com/NickChubb/ReversiMCTS written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/NickChubb/ReversiMCTS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 529f55d44868f66252f07379a122a0000edb1ed68b91bd910c1a414b4c836c8a
[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" "529f55d44868f66252f07379a122a0000edb1ed68b91bd910c1a414b4c836c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529f55d44868f66252f07379a122a0000edb1ed68b91bd910c1a414b4c836c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529f55d44868f66252f07379a122a0000edb1ed68b91bd910c1a414b4c836c8a", kill_on_drop: false }`
[INFO] [stdout] 529f55d44868f66252f07379a122a0000edb1ed68b91bd910c1a414b4c836c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b87e911ad5cfea1673c536034864799654d4ab571bac62101923be303ea31e9
[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" "9b87e911ad5cfea1673c536034864799654d4ab571bac62101923be303ea31e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling reversi_mcts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:627:9
[INFO] [stdout]     |
[INFO] [stdout] 627 |         0f64 => "A",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(illegal_floating_point_literal_pattern)]` 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 a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:628:9
[INFO] [stdout]     |
[INFO] [stdout] 628 |         1f64 => "B",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:629:9
[INFO] [stdout]     |
[INFO] [stdout] 629 |         2f64 => "C",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:630:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |         3f64 => "D",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 631 |         4f64 => "E",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         5f64 => "F",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |         6f64 => "G",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |         7f64 => "H",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_player_score`
[INFO] [stdout]    --> src/main.rs:825:10
[INFO] [stdout]     |
[INFO] [stdout] 825 |     let (prev_player_score, prev_cpu_score): (u8, u8) = b.get_score();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_player_score`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player_score`
[INFO] [stdout]    --> src/main.rs:841:14
[INFO] [stdout]     |
[INFO] [stdout] 841 |         let (player_score, cpu_score): (u8, u8) = new_board.get_score();
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/main.rs:896:9
[INFO] [stdout]     |
[INFO] [stdout] 896 |     let start_time = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]     --> src/main.rs:1014:29
[INFO] [stdout]      |
[INFO] [stdout] 1014 |                         let start_time = Instant::now();
[INFO] [stdout]      |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/main.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn print(&self, debug: bool) {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `u` is never read
[INFO] [stdout]    --> src/main.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut u: u8 = 1;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `u` is never read
[INFO] [stdout]    --> src/main.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let mut u: u8 = 1; // used as the iter for get_new_pos()
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:627:9
[INFO] [stdout]     |
[INFO] [stdout] 627 |         0f64 => "A",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "9b87e911ad5cfea1673c536034864799654d4ab571bac62101923be303ea31e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b87e911ad5cfea1673c536034864799654d4ab571bac62101923be303ea31e9", kill_on_drop: false }`
[INFO] [stdout] 9b87e911ad5cfea1673c536034864799654d4ab571bac62101923be303ea31e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] e96f29bc5f01257fbace8626dcb87e5a02d4452576ee676dc991a8c20fe599a1
[INFO] running `Command { std: "docker" "start" "-a" "e96f29bc5f01257fbace8626dcb87e5a02d4452576ee676dc991a8c20fe599a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling reversi_mcts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:627:9
[INFO] [stdout]     |
[INFO] [stdout] 627 |         0f64 => "A",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(illegal_floating_point_literal_pattern)]` 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 a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:628:9
[INFO] [stdout]     |
[INFO] [stdout] 628 |         1f64 => "B",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:629:9
[INFO] [stdout]     |
[INFO] [stdout] 629 |         2f64 => "C",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:630:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |         3f64 => "D",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 631 |         4f64 => "E",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         5f64 => "F",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |         6f64 => "G",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |         7f64 => "H",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_player_score`
[INFO] [stdout]    --> src/main.rs:825:10
[INFO] [stdout]     |
[INFO] [stdout] 825 |     let (prev_player_score, prev_cpu_score): (u8, u8) = b.get_score();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_player_score`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player_score`
[INFO] [stdout]    --> src/main.rs:841:14
[INFO] [stdout]     |
[INFO] [stdout] 841 |         let (player_score, cpu_score): (u8, u8) = new_board.get_score();
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/main.rs:896:9
[INFO] [stdout]     |
[INFO] [stdout] 896 |     let start_time = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]     --> src/main.rs:1014:29
[INFO] [stdout]      |
[INFO] [stdout] 1014 |                         let start_time = Instant::now();
[INFO] [stdout]      |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]    --> src/main.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn print(&self, debug: bool) {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `u` is never read
[INFO] [stdout]    --> src/main.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut u: u8 = 1;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `u` is never read
[INFO] [stdout]    --> src/main.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let mut u: u8 = 1; // used as the iter for get_new_pos()
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]    --> src/main.rs:627:9
[INFO] [stdout]     |
[INFO] [stdout] 627 |         0f64 => "A",
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "e96f29bc5f01257fbace8626dcb87e5a02d4452576ee676dc991a8c20fe599a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96f29bc5f01257fbace8626dcb87e5a02d4452576ee676dc991a8c20fe599a1", kill_on_drop: false }`
[INFO] [stdout] e96f29bc5f01257fbace8626dcb87e5a02d4452576ee676dc991a8c20fe599a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a4ff348ed3b100c3ee091ef0f0871ea4d862ad6d1d498b1ed061481eda054b2
[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" "7a4ff348ed3b100c3ee091ef0f0871ea4d862ad6d1d498b1ed061481eda054b2", kill_on_drop: false }`
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:627:9
[INFO] [stderr]     |
[INFO] [stderr] 627 |         0f64 => "A",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(illegal_floating_point_literal_pattern)]` 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 a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:628:9
[INFO] [stderr]     |
[INFO] [stderr] 628 |         1f64 => "B",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:629:9
[INFO] [stderr]     |
[INFO] [stderr] 629 |         2f64 => "C",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:630:9
[INFO] [stderr]     |
[INFO] [stderr] 630 |         3f64 => "D",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:631:9
[INFO] [stderr]     |
[INFO] [stderr] 631 |         4f64 => "E",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:632:9
[INFO] [stderr]     |
[INFO] [stderr] 632 |         5f64 => "F",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:633:9
[INFO] [stderr]     |
[INFO] [stderr] 633 |         6f64 => "G",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:634:9
[INFO] [stderr]     |
[INFO] [stderr] 634 |         7f64 => "H",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prev_player_score`
[INFO] [stderr]    --> src/main.rs:825:10
[INFO] [stderr]     |
[INFO] [stderr] 825 |     let (prev_player_score, prev_cpu_score): (u8, u8) = b.get_score();
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_player_score`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `player_score`
[INFO] [stderr]    --> src/main.rs:841:14
[INFO] [stderr]     |
[INFO] [stderr] 841 |         let (player_score, cpu_score): (u8, u8) = new_board.get_score();
[INFO] [stderr]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]    --> src/main.rs:896:9
[INFO] [stderr]     |
[INFO] [stderr] 896 |     let start_time = Instant::now();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]     --> src/main.rs:1014:29
[INFO] [stderr]      |
[INFO] [stderr] 1014 |                         let start_time = Instant::now();
[INFO] [stderr]      |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `debug`
[INFO] [stderr]    --> src/main.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn print(&self, debug: bool) {
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_debug`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `u` is never read
[INFO] [stderr]    --> src/main.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let mut u: u8 = 1;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `u` is never read
[INFO] [stderr]    --> src/main.rs:310:13
[INFO] [stderr]     |
[INFO] [stderr] 310 |         let mut u: u8 = 1; // used as the iter for get_new_pos()
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:627:9
[INFO] [stderr]     |
[INFO] [stderr] 627 |         0f64 => "A",
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reversi_mcts-d1522c12804311d7
[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 `Command { std: "docker" "inspect" "7a4ff348ed3b100c3ee091ef0f0871ea4d862ad6d1d498b1ed061481eda054b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4ff348ed3b100c3ee091ef0f0871ea4d862ad6d1d498b1ed061481eda054b2", kill_on_drop: false }`
[INFO] [stdout] 7a4ff348ed3b100c3ee091ef0f0871ea4d862ad6d1d498b1ed061481eda054b2
