[INFO] cloning repository https://github.com/tuzz/gridworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/gridworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fgridworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fgridworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16c5fc4eafaeac387c759ab05a29cfff9290ff2c
[INFO] testing tuzz/gridworld against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fgridworld" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/gridworld on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/gridworld
[INFO] finished tweaking git repo https://github.com/tuzz/gridworld
[INFO] tweaked toml for git repo https://github.com/tuzz/gridworld written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/gridworld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded game-loop v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ff80c4fe62812ee037b05f90ebd02b9507f1af34799fd18550b47f77e9511ae
[INFO] running `Command { std: "docker" "start" "-a" "6ff80c4fe62812ee037b05f90ebd02b9507f1af34799fd18550b47f77e9511ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff80c4fe62812ee037b05f90ebd02b9507f1af34799fd18550b47f77e9511ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff80c4fe62812ee037b05f90ebd02b9507f1af34799fd18550b47f77e9511ae", kill_on_drop: false }`
[INFO] [stdout] 6ff80c4fe62812ee037b05f90ebd02b9507f1af34799fd18550b47f77e9511ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b393765448d6181e5be2cb4ea427f44ece41fe55393dcf4e65a82dbf30c38d1e
[INFO] running `Command { std: "docker" "start" "-a" "b393765448d6181e5be2cb4ea427f44ece41fe55393dcf4e65a82dbf30c38d1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling game-loop v0.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling gridworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "b393765448d6181e5be2cb4ea427f44ece41fe55393dcf4e65a82dbf30c38d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b393765448d6181e5be2cb4ea427f44ece41fe55393dcf4e65a82dbf30c38d1e", kill_on_drop: false }`
[INFO] [stdout] b393765448d6181e5be2cb4ea427f44ece41fe55393dcf4e65a82dbf30c38d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac3eca00e8539b8b860fcf88a3f5a447b2eeae007605983ada5187086c2c8b57
[INFO] running `Command { std: "docker" "start" "-a" "ac3eca00e8539b8b860fcf88a3f5a447b2eeae007605983ada5187086c2c8b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling gridworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "ac3eca00e8539b8b860fcf88a3f5a447b2eeae007605983ada5187086c2c8b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3eca00e8539b8b860fcf88a3f5a447b2eeae007605983ada5187086c2c8b57", kill_on_drop: false }`
[INFO] [stdout] ac3eca00e8539b8b860fcf88a3f5a447b2eeae007605983ada5187086c2c8b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9ab4511142bf87c03332240dd45c2295cdbffc5af17746dd2f8dc7402fd8f61
[INFO] running `Command { std: "docker" "start" "-a" "d9ab4511142bf87c03332240dd45c2295cdbffc5af17746dd2f8dc7402fd8f61", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gridworld-4098ae84940c13ba)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test environment::test::it_returns_a_reward_of_minus_one_for_actions_that_take_the_agent_off_the_grid ... ok
[INFO] [stdout] test agent::test::it_sets_last_state_after_selecting_one ... ok
[INFO] [stdout] test agent::test::it_selects_a_random_action_from_those_available ... ok
[INFO] [stdout] test environment::test::it_returns_a_vec_of_available_actions_for_a_given_state ... ok
[INFO] [stdout] test environment::test::it_transitions_to_a_new_state_after_taking_an_action ... ok
[INFO] [stdout] test environment::test::it_returns_a_zero_reward_for_other_actions ... ok
[INFO] [stdout] test environment::test::it_returns_positive_rewards_for_transitions_from_special_states ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9ab4511142bf87c03332240dd45c2295cdbffc5af17746dd2f8dc7402fd8f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ab4511142bf87c03332240dd45c2295cdbffc5af17746dd2f8dc7402fd8f61", kill_on_drop: false }`
[INFO] [stdout] d9ab4511142bf87c03332240dd45c2295cdbffc5af17746dd2f8dc7402fd8f61