[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbradberry/mcts.rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-17/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36183374cc0ca5bf1977e3a362b5cdcf5b5d1d815e080dd622acc092d2c96d26
[INFO] running `Command { std: "docker" "start" "-a" "36183374cc0ca5bf1977e3a362b5cdcf5b5d1d815e080dd622acc092d2c96d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36183374cc0ca5bf1977e3a362b5cdcf5b5d1d815e080dd622acc092d2c96d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36183374cc0ca5bf1977e3a362b5cdcf5b5d1d815e080dd622acc092d2c96d26", kill_on_drop: false }`
[INFO] [stdout] 36183374cc0ca5bf1977e3a362b5cdcf5b5d1d815e080dd622acc092d2c96d26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da4a5e3c10f4e15cd95b9c69615574fb1d6f883cb12256bb33936008f005f43b
[INFO] running `Command { std: "docker" "start" "-a" "da4a5e3c10f4e15cd95b9c69615574fb1d6f883cb12256bb33936008f005f43b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling syn v0.14.4
[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 7.55s
[INFO] running `Command { std: "docker" "inspect" "da4a5e3c10f4e15cd95b9c69615574fb1d6f883cb12256bb33936008f005f43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4a5e3c10f4e15cd95b9c69615574fb1d6f883cb12256bb33936008f005f43b", kill_on_drop: false }`
[INFO] [stdout] da4a5e3c10f4e15cd95b9c69615574fb1d6f883cb12256bb33936008f005f43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df74f35c120a006784c62c53781fd9a6708e95b725e641dddcb88102e2b82944
[INFO] running `Command { std: "docker" "start" "-a" "df74f35c120a006784c62c53781fd9a6708e95b725e641dddcb88102e2b82944", 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 2.02s
[INFO] running `Command { std: "docker" "inspect" "df74f35c120a006784c62c53781fd9a6708e95b725e641dddcb88102e2b82944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df74f35c120a006784c62c53781fd9a6708e95b725e641dddcb88102e2b82944", kill_on_drop: false }`
[INFO] [stdout] df74f35c120a006784c62c53781fd9a6708e95b725e641dddcb88102e2b82944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1db0450cccfd6a0a0bc87588aabcd8d45c2c98ebc86b6156a3de59ea158fb28b
[INFO] running `Command { std: "docker" "start" "-a" "1db0450cccfd6a0a0bc87588aabcd8d45c2c98ebc86b6156a3de59ea158fb28b", 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: `mcts` (bin "mcts" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcts-b2cd9c2bfb92f5f7)
[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_bottom_right ... ok
[INFO] [stdout] test tests::pawn_jump_center ... ok
[INFO] [stdout] test tests::pawn_jump_left_edge ... ok
[INFO] [stdout] test tests::pawn_jump_right_edge ... ok
[INFO] [stdout] test tests::pawn_jump_top_edge ... ok
[INFO] [stdout] test tests::pawn_jump_top_left ... ok
[INFO] [stdout] test tests::pawn_jump_top_right ... ok
[INFO] [stdout] test tests::pawn_move_bottom_left ... ok
[INFO] [stdout] test tests::pawn_move_bottom_right ... ok
[INFO] [stdout] test tests::pawn_move_center ... ok
[INFO] [stdout] test tests::pawn_move_left_edge ... ok
[INFO] [stdout] test tests::pawn_move_lower_edge ... ok
[INFO] [stdout] test tests::pawn_move_right_edge ... ok
[INFO] [stdout] test tests::pawn_move_top_left ... ok
[INFO] [stdout] test tests::pawn_move_top_right ... ok
[INFO] [stdout] test tests::pawn_move_upper_edge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1db0450cccfd6a0a0bc87588aabcd8d45c2c98ebc86b6156a3de59ea158fb28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db0450cccfd6a0a0bc87588aabcd8d45c2c98ebc86b6156a3de59ea158fb28b", kill_on_drop: false }`
[INFO] [stdout] 1db0450cccfd6a0a0bc87588aabcd8d45c2c98ebc86b6156a3de59ea158fb28b