[INFO] cloning repository https://github.com/jbradberry/mcts.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbradberry/mcts.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4d4e4d2d2a623bd3fb0444f7bd9a0ff1e979060
[INFO] testing jbradberry/mcts.rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbradberry/mcts.rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbradberry/mcts.rs
[INFO] finished tweaking git repo https://github.com/jbradberry/mcts.rs
[INFO] tweaked toml for git repo https://github.com/jbradberry/mcts.rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jbradberry/mcts.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] b227c176c6f1646fe9f71b124dd065f762bb69a490b6e724ee5fad2a4064cc00
[INFO] running `Command { std: "docker" "start" "-a" "b227c176c6f1646fe9f71b124dd065f762bb69a490b6e724ee5fad2a4064cc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b227c176c6f1646fe9f71b124dd065f762bb69a490b6e724ee5fad2a4064cc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b227c176c6f1646fe9f71b124dd065f762bb69a490b6e724ee5fad2a4064cc00", kill_on_drop: false }`
[INFO] [stdout] b227c176c6f1646fe9f71b124dd065f762bb69a490b6e724ee5fad2a4064cc00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d60e88fd16c68b6ae6bb331fdb8e82868dbf7487ee17831e9606986df8a3c85
[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" "2d60e88fd16c68b6ae6bb331fdb8e82868dbf7487ee17831e9606986df8a3c85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling mcts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]    --> src/main.rs:190:46
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn is_legal(&self, action: &ChongAction, history: &[ChongState]) -> bool {
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]    --> src/main.rs:210:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn legal_actions(&self, history: &[ChongState]) -> Vec<ChongAction> {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_state`
[INFO] [stdout]    --> src/main.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn build_state(pawn1: (u8, u8), pawn2: (u8, u8),
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.46s
[INFO] running `Command { std: "docker" "inspect" "2d60e88fd16c68b6ae6bb331fdb8e82868dbf7487ee17831e9606986df8a3c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d60e88fd16c68b6ae6bb331fdb8e82868dbf7487ee17831e9606986df8a3c85", kill_on_drop: false }`
[INFO] [stdout] 2d60e88fd16c68b6ae6bb331fdb8e82868dbf7487ee17831e9606986df8a3c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3801e2fed34b62eaabf2cb67b5fd4be1ea9d6ff6d5338565fd6cd0a8857e0bea
[INFO] running `Command { std: "docker" "start" "-a" "3801e2fed34b62eaabf2cb67b5fd4be1ea9d6ff6d5338565fd6cd0a8857e0bea", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]    --> src/main.rs:190:46
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn is_legal(&self, action: &ChongAction, history: &[ChongState]) -> bool {
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]    --> src/main.rs:210:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn legal_actions(&self, history: &[ChongState]) -> Vec<ChongAction> {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "3801e2fed34b62eaabf2cb67b5fd4be1ea9d6ff6d5338565fd6cd0a8857e0bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3801e2fed34b62eaabf2cb67b5fd4be1ea9d6ff6d5338565fd6cd0a8857e0bea", kill_on_drop: false }`
[INFO] [stdout] 3801e2fed34b62eaabf2cb67b5fd4be1ea9d6ff6d5338565fd6cd0a8857e0bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 1e460a1e83748a44e4ec1e327f562fdc3de7acd2766a03996d8a7a61b4373003
[INFO] running `Command { std: "docker" "start" "-a" "1e460a1e83748a44e4ec1e327f562fdc3de7acd2766a03996d8a7a61b4373003", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `history`
[INFO] [stderr]    --> src/main.rs:190:46
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn is_legal(&self, action: &ChongAction, history: &[ChongState]) -> bool {
[INFO] [stderr]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `history`
[INFO] [stderr]    --> src/main.rs:210:29
[INFO] [stderr]     |
[INFO] [stderr] 210 |     fn legal_actions(&self, history: &[ChongState]) -> Vec<ChongAction> {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcts-744d574db9eeb107
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::pawn_jump_bottom_edge ... ok
[INFO] [stdout] test tests::pawn_jump_bottom_left ... ok
[INFO] [stdout] test tests::pawn_jump_top_right ... ok
[INFO] [stdout] test tests::pawn_move_upper_edge ... ok
[INFO] [stdout] test tests::pawn_move_top_right ... ok
[INFO] [stdout] test tests::pawn_move_bottom_right ... ok
[INFO] [stdout] test tests::pawn_move_top_left ... ok
[INFO] [stdout] test tests::pawn_move_bottom_left ... ok
[INFO] [stdout] test tests::pawn_jump_top_edge ... ok
[INFO] [stdout] test tests::pawn_jump_left_edge ... ok
[INFO] [stdout] test tests::pawn_jump_center ... ok
[INFO] [stdout] test tests::pawn_move_right_edge ... ok
[INFO] [stdout] test tests::pawn_move_lower_edge ... ok
[INFO] [stdout] test tests::pawn_jump_right_edge ... ok
[INFO] [stdout] test tests::pawn_move_left_edge ... ok
[INFO] [stdout] test tests::pawn_jump_top_left ... ok
[INFO] [stdout] test tests::pawn_jump_bottom_right ... ok
[INFO] [stdout] test tests::pawn_move_center ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e460a1e83748a44e4ec1e327f562fdc3de7acd2766a03996d8a7a61b4373003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e460a1e83748a44e4ec1e327f562fdc3de7acd2766a03996d8a7a61b4373003", kill_on_drop: false }`
[INFO] [stdout] 1e460a1e83748a44e4ec1e327f562fdc3de7acd2766a03996d8a7a61b4373003