[INFO] cloning repository https://github.com/AshleyByeUK/minimax-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AshleyByeUK/minimax-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshleyByeUK%2Fminimax-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshleyByeUK%2Fminimax-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b1034c7e3dc3e3bb0017ae1ca322e64143ab2b3
[INFO] testing AshleyByeUK/minimax-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshleyByeUK%2Fminimax-rust" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AshleyByeUK/minimax-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AshleyByeUK/minimax-rust
[INFO] finished tweaking git repo https://github.com/AshleyByeUK/minimax-rust
[INFO] tweaked toml for git repo https://github.com/AshleyByeUK/minimax-rust written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/AshleyByeUK/minimax-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9c450d38d9d7a34225be7a76b4bdbca58aeadb95ea3b8d143e36f2ad921f7f6
[INFO] running `Command { std: "docker" "start" "-a" "a9c450d38d9d7a34225be7a76b4bdbca58aeadb95ea3b8d143e36f2ad921f7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c450d38d9d7a34225be7a76b4bdbca58aeadb95ea3b8d143e36f2ad921f7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c450d38d9d7a34225be7a76b4bdbca58aeadb95ea3b8d143e36f2ad921f7f6", kill_on_drop: false }`
[INFO] [stdout] a9c450d38d9d7a34225be7a76b4bdbca58aeadb95ea3b8d143e36f2ad921f7f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62cd9227ea24aae923171b8a1803ef944fc0ba86a623852fd2ac94913965d57b
[INFO] running `Command { std: "docker" "start" "-a" "62cd9227ea24aae923171b8a1803ef944fc0ba86a623852fd2ac94913965d57b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling minimax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.50s
[INFO] running `Command { std: "docker" "inspect" "62cd9227ea24aae923171b8a1803ef944fc0ba86a623852fd2ac94913965d57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cd9227ea24aae923171b8a1803ef944fc0ba86a623852fd2ac94913965d57b", kill_on_drop: false }`
[INFO] [stdout] 62cd9227ea24aae923171b8a1803ef944fc0ba86a623852fd2ac94913965d57b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d1356b051690c86c8365cc219d545be714eb47f479723c0165c6e56ea9a88de
[INFO] running `Command { std: "docker" "start" "-a" "0d1356b051690c86c8365cc219d545be714eb47f479723c0165c6e56ea9a88de", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "0d1356b051690c86c8365cc219d545be714eb47f479723c0165c6e56ea9a88de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1356b051690c86c8365cc219d545be714eb47f479723c0165c6e56ea9a88de", kill_on_drop: false }`
[INFO] [stdout] 0d1356b051690c86c8365cc219d545be714eb47f479723c0165c6e56ea9a88de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 129a27d90442af5bdde4c902fae1dc7da2d54ac5fb28e19b8a565fd8758491eb
[INFO] running `Command { std: "docker" "start" "-a" "129a27d90442af5bdde4c902fae1dc7da2d54ac5fb28e19b8a565fd8758491eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimax-634fe74c989ec989)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::compute_score_after_one_move_with_two_possible_end_states ... ok
[INFO] [stdout] test tests::compute_score_after_two_moves_with_two_possible_end_states ... ok
[INFO] [stdout] test tests::compute_score_for_game_after_four_moves_and_only_minimiser_gets_to_move ... ok
[INFO] [stdout] test tests::compute_score_for_deeply_nested_game ... ok
[INFO] [stdout] test tests::compute_score_after_two_moves_with_three_possible_end_states ... ok
[INFO] [stdout] test tests::compute_score_for_game_after_three_moves_and_only_maximiser_gets_to_move ... ok
[INFO] [stdout] test tests::create_node_with_multiple_child_nodes ... ok
[INFO] [stdout] test tests::create_node_with_one_child_node ... ok
[INFO] [stdout] test tests::create_node_with_zero_child_nodes ... ok
[INFO] [stdout] test tests::scores_node_with_multiple_children ... ok
[INFO] [stdout] test tests::scores_node_with_no_children ... ok
[INFO] [stdout] test tests::scores_node_with_one_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimax-d657a7230ce2cc23)
[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 minimax
[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" "129a27d90442af5bdde4c902fae1dc7da2d54ac5fb28e19b8a565fd8758491eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129a27d90442af5bdde4c902fae1dc7da2d54ac5fb28e19b8a565fd8758491eb", kill_on_drop: false }`
[INFO] [stdout] 129a27d90442af5bdde4c902fae1dc7da2d54ac5fb28e19b8a565fd8758491eb