[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshleyByeUK%2Fminimax-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AshleyByeUK/minimax-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "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] 8e6167e8d9e116427c2244087dec88fdf42396b133e04b442b1821da2469f124
[INFO] running `Command { std: "docker" "start" "-a" "8e6167e8d9e116427c2244087dec88fdf42396b133e04b442b1821da2469f124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6167e8d9e116427c2244087dec88fdf42396b133e04b442b1821da2469f124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6167e8d9e116427c2244087dec88fdf42396b133e04b442b1821da2469f124", kill_on_drop: false }`
[INFO] [stdout] 8e6167e8d9e116427c2244087dec88fdf42396b133e04b442b1821da2469f124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14ee9f830ed41dd2e314573cff3d66213480fdba9fe3b1d77d09b6cd0f2a2db4
[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" "14ee9f830ed41dd2e314573cff3d66213480fdba9fe3b1d77d09b6cd0f2a2db4", 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-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[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 16.46s
[INFO] running `Command { std: "docker" "inspect" "14ee9f830ed41dd2e314573cff3d66213480fdba9fe3b1d77d09b6cd0f2a2db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ee9f830ed41dd2e314573cff3d66213480fdba9fe3b1d77d09b6cd0f2a2db4", kill_on_drop: false }`
[INFO] [stdout] 14ee9f830ed41dd2e314573cff3d66213480fdba9fe3b1d77d09b6cd0f2a2db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4938167e19773d19c660a3efacd18fae45042526da8a22847faaadb235c23435
[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" "4938167e19773d19c660a3efacd18fae45042526da8a22847faaadb235c23435", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "4938167e19773d19c660a3efacd18fae45042526da8a22847faaadb235c23435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4938167e19773d19c660a3efacd18fae45042526da8a22847faaadb235c23435", kill_on_drop: false }`
[INFO] [stdout] 4938167e19773d19c660a3efacd18fae45042526da8a22847faaadb235c23435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39fe56c54cdb7fc224e88f8408df16ea7418ab968f4f982676d399a58e4b889e
[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" "39fe56c54cdb7fc224e88f8408df16ea7418ab968f4f982676d399a58e4b889e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minimax-99549c209ebc2929
[INFO] [stdout] test tests::scores_node_with_one_child ... ok
[INFO] [stdout] test tests::scores_node_with_no_children ... ok
[INFO] [stdout] test tests::compute_score_for_game_after_three_moves_and_only_maximiser_gets_to_move ... 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::create_node_with_multiple_child_nodes ... ok
[INFO] [stdout] test tests::compute_score_after_one_move_with_two_possible_end_states ... ok
[INFO] [stdout] test tests::scores_node_with_multiple_children ... ok
[INFO] [stdout] test tests::compute_score_after_two_moves_with_three_possible_end_states ... ok
[INFO] [stdout] test tests::compute_score_after_two_moves_with_two_possible_end_states ... 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] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minimax-ae9d5b596af82962
[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" "39fe56c54cdb7fc224e88f8408df16ea7418ab968f4f982676d399a58e4b889e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fe56c54cdb7fc224e88f8408df16ea7418ab968f4f982676d399a58e4b889e", kill_on_drop: false }`
[INFO] [stdout] 39fe56c54cdb7fc224e88f8408df16ea7418ab968f4f982676d399a58e4b889e