[INFO] updating cached repository jbradberry/mcts.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jbradberry/mcts.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jbradberry/mcts.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/jbradberry/mcts.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jbradberry/mcts.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jbradberry/mcts.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jbradberry/mcts.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jbradberry/mcts.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21f82d0d82b4b2e5b6eaf6cece1b0cd6930137b5
[INFO] sha for GitHub repo jbradberry/mcts.rs: 21f82d0d82b4b2e5b6eaf6cece1b0cd6930137b5
[INFO] validating manifest of jbradberry/mcts.rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jbradberry/mcts.rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jbradberry/mcts.rs
[INFO] finished frobbing jbradberry/mcts.rs
[INFO] frobbed toml for jbradberry/mcts.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/jbradberry/mcts.rs/Cargo.toml
[INFO] started frobbing jbradberry/mcts.rs
[INFO] finished frobbing jbradberry/mcts.rs
[INFO] frobbed toml for jbradberry/mcts.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jbradberry/mcts.rs/Cargo.toml
[INFO] crate jbradberry/mcts.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jbradberry/mcts.rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jbradberry/mcts.rs:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] eee55478cf2217b4a5ee0d3c8a96a4b6c169af418696b568570e6225c6ff9211
[INFO] running `"docker" "start" "-a" "eee55478cf2217b4a5ee0d3c8a96a4b6c169af418696b568570e6225c6ff9211"`
[INFO] [stderr]    Compiling mcts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `history`
[INFO] [stderr]    --> src/main.rs:189:46
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn is_legal(&self, action: &ChongAction, history: &[ChongState]) -> bool {
[INFO] [stderr]     |                                              ^^^^^^^ help: consider prefixing 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:209:29
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn legal_actions(&self, history: &[ChongState]) -> Vec<ChongAction> {
[INFO] [stderr]     |                             ^^^^^^^ help: consider prefixing with an underscore: `_history`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `build_state`
[INFO] [stderr]    --> src/main.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 | /     fn build_state(pawn1: (u8, u8), pawn2: (u8, u8),
[INFO] [stderr] 128 | |                    stones1: &[(u8, u8)], stones2: &[(u8, u8)], next: u8) -> Self {
[INFO] [stderr] 129 | |         let pawn1 = ChongState::coordinate_mask(pawn1.0, pawn1.1);
[INFO] [stderr] 130 | |         let pawn2 = ChongState::coordinate_mask(pawn2.0, pawn2.1);
[INFO] [stderr] ...   |
[INFO] [stderr] 150 | |         }
[INFO] [stderr] 151 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "eee55478cf2217b4a5ee0d3c8a96a4b6c169af418696b568570e6225c6ff9211"`
[INFO] running `"docker" "rm" "-f" "eee55478cf2217b4a5ee0d3c8a96a4b6c169af418696b568570e6225c6ff9211"`
[INFO] [stdout] eee55478cf2217b4a5ee0d3c8a96a4b6c169af418696b568570e6225c6ff9211
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jbradberry/mcts.rs:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ccc398ff5f188eccedd2d370b85143d315ea24ca4cf79a8375cb8328d6596688
[INFO] running `"docker" "start" "-a" "ccc398ff5f188eccedd2d370b85143d315ea24ca4cf79a8375cb8328d6596688"`
[INFO] [stderr]    Compiling mcts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `history`
[INFO] [stderr]    --> src/main.rs:189:46
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn is_legal(&self, action: &ChongAction, history: &[ChongState]) -> bool {
[INFO] [stderr]     |                                              ^^^^^^^ help: consider prefixing 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:209:29
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn legal_actions(&self, history: &[ChongState]) -> Vec<ChongAction> {
[INFO] [stderr]     |                             ^^^^^^^ help: consider prefixing with an underscore: `_history`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `"docker" "inspect" "ccc398ff5f188eccedd2d370b85143d315ea24ca4cf79a8375cb8328d6596688"`
[INFO] running `"docker" "rm" "-f" "ccc398ff5f188eccedd2d370b85143d315ea24ca4cf79a8375cb8328d6596688"`
[INFO] [stdout] ccc398ff5f188eccedd2d370b85143d315ea24ca4cf79a8375cb8328d6596688
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jbradberry/mcts.rs:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] dc7426d0f376d93cbc1aa51feae83174d663c06dd3381bbaedd11b4ae262a2eb
[INFO] running `"docker" "start" "-a" "dc7426d0f376d93cbc1aa51feae83174d663c06dd3381bbaedd11b4ae262a2eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mcts-6bb1c4480f11e341
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::pawn_jump_bottom_edge ... ok
[INFO] [stdout] test tests::pawn_jump_left_edge ... ok
[INFO] [stdout] test tests::pawn_jump_bottom_left ... ok
[INFO] [stdout] test tests::pawn_jump_right_edge ... ok
[INFO] [stdout] test tests::pawn_jump_bottom_right ... ok
[INFO] [stdout] test tests::pawn_jump_center ... 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_jump_top_edge ... 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_center ... 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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc7426d0f376d93cbc1aa51feae83174d663c06dd3381bbaedd11b4ae262a2eb"`
[INFO] running `"docker" "rm" "-f" "dc7426d0f376d93cbc1aa51feae83174d663c06dd3381bbaedd11b4ae262a2eb"`
[INFO] [stdout] dc7426d0f376d93cbc1aa51feae83174d663c06dd3381bbaedd11b4ae262a2eb