[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fgridworld" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/gridworld on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-13/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c39390197a554109c7b31d968277f9c23d0edda44e1ed8cb6d3abd2caaa8d1e
[INFO] running `Command { std: "docker" "start" "-a" "9c39390197a554109c7b31d968277f9c23d0edda44e1ed8cb6d3abd2caaa8d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c39390197a554109c7b31d968277f9c23d0edda44e1ed8cb6d3abd2caaa8d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c39390197a554109c7b31d968277f9c23d0edda44e1ed8cb6d3abd2caaa8d1e", kill_on_drop: false }`
[INFO] [stdout] 9c39390197a554109c7b31d968277f9c23d0edda44e1ed8cb6d3abd2caaa8d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98489398e26bda2d2dffd9d597c271d1363d8010a05bc7581c0be2e4c40c7276
[INFO] running `Command { std: "docker" "start" "-a" "98489398e26bda2d2dffd9d597c271d1363d8010a05bc7581c0be2e4c40c7276", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[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 7.37s
[INFO] running `Command { std: "docker" "inspect" "98489398e26bda2d2dffd9d597c271d1363d8010a05bc7581c0be2e4c40c7276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98489398e26bda2d2dffd9d597c271d1363d8010a05bc7581c0be2e4c40c7276", kill_on_drop: false }`
[INFO] [stdout] 98489398e26bda2d2dffd9d597c271d1363d8010a05bc7581c0be2e4c40c7276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c8f19bf1fdb8c9a40b64e0626cb7a775240acebf5b6f8714f3da79ec653fe60
[INFO] running `Command { std: "docker" "start" "-a" "3c8f19bf1fdb8c9a40b64e0626cb7a775240acebf5b6f8714f3da79ec653fe60", kill_on_drop: false }`
[INFO] [stderr]    Compiling gridworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "3c8f19bf1fdb8c9a40b64e0626cb7a775240acebf5b6f8714f3da79ec653fe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8f19bf1fdb8c9a40b64e0626cb7a775240acebf5b6f8714f3da79ec653fe60", kill_on_drop: false }`
[INFO] [stdout] 3c8f19bf1fdb8c9a40b64e0626cb7a775240acebf5b6f8714f3da79ec653fe60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c09e04e718b996d8e66f9161c0f88dffec2d4dd34f891f1e22dbfbdb60dbc421
[INFO] running `Command { std: "docker" "start" "-a" "c09e04e718b996d8e66f9161c0f88dffec2d4dd34f891f1e22dbfbdb60dbc421", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gridworld-363921ff8fa2324d)
[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 agent::test::it_selects_a_random_action_from_those_available ... ok
[INFO] [stdout] test agent::test::it_sets_last_state_after_selecting_one ... 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 environment::test::it_returns_a_zero_reward_for_other_actions ... ok
[INFO] [stdout] test environment::test::it_returns_a_vec_of_available_actions_for_a_given_state ... 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" "c09e04e718b996d8e66f9161c0f88dffec2d4dd34f891f1e22dbfbdb60dbc421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09e04e718b996d8e66f9161c0f88dffec2d4dd34f891f1e22dbfbdb60dbc421", kill_on_drop: false }`
[INFO] [stdout] c09e04e718b996d8e66f9161c0f88dffec2d4dd34f891f1e22dbfbdb60dbc421