[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fgridworld" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/gridworld 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/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-6/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" "+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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0a6679a9c26af6dfb9ff0e03a94a70eec177a3b2a8d51ec4e8a9bf2518d3d99b
[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" "0a6679a9c26af6dfb9ff0e03a94a70eec177a3b2a8d51ec4e8a9bf2518d3d99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a6679a9c26af6dfb9ff0e03a94a70eec177a3b2a8d51ec4e8a9bf2518d3d99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6679a9c26af6dfb9ff0e03a94a70eec177a3b2a8d51ec4e8a9bf2518d3d99b", kill_on_drop: false }`
[INFO] [stdout] 0a6679a9c26af6dfb9ff0e03a94a70eec177a3b2a8d51ec4e8a9bf2518d3d99b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0dcbed65e62f50104b1377bb62320f09b3706f3d6d19770fcec5533959eeb4dc
[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" "0dcbed65e62f50104b1377bb62320f09b3706f3d6d19770fcec5533959eeb4dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling game-loop v0.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 7.37s
[INFO] running `Command { std: "docker" "inspect" "0dcbed65e62f50104b1377bb62320f09b3706f3d6d19770fcec5533959eeb4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcbed65e62f50104b1377bb62320f09b3706f3d6d19770fcec5533959eeb4dc", kill_on_drop: false }`
[INFO] [stdout] 0dcbed65e62f50104b1377bb62320f09b3706f3d6d19770fcec5533959eeb4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32a8f6ab28ad6df4844d65dca50a0bf8786a7e371c0380e35509074a03024ad0
[INFO] running `Command { std: "docker" "start" "-a" "32a8f6ab28ad6df4844d65dca50a0bf8786a7e371c0380e35509074a03024ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gridworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "32a8f6ab28ad6df4844d65dca50a0bf8786a7e371c0380e35509074a03024ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a8f6ab28ad6df4844d65dca50a0bf8786a7e371c0380e35509074a03024ad0", kill_on_drop: false }`
[INFO] [stdout] 32a8f6ab28ad6df4844d65dca50a0bf8786a7e371c0380e35509074a03024ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 89e824faa22592e045083365b366d1d65fa4db43ce4b430b43615a3e6adc2544
[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" "89e824faa22592e045083365b366d1d65fa4db43ce4b430b43615a3e6adc2544", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gridworld-2042914789ed593c)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[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_returns_positive_rewards_for_transitions_from_special_states ... 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_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] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89e824faa22592e045083365b366d1d65fa4db43ce4b430b43615a3e6adc2544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e824faa22592e045083365b366d1d65fa4db43ce4b430b43615a3e6adc2544", kill_on_drop: false }`
[INFO] [stdout] 89e824faa22592e045083365b366d1d65fa4db43ce4b430b43615a3e6adc2544