[INFO] updating cached repository https://github.com/phudekar/game-of-life-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c41ad41359e5334ac16b4f92e7ed071ab9b89646
[INFO] testing phudekar/game-of-life-rust/c41ad41359e5334ac16b4f92e7ed071ab9b89646 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphudekar%2Fgame-of-life-rust" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phudekar/game-of-life-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phudekar/game-of-life-rust
[INFO] finished tweaking git repo https://github.com/phudekar/game-of-life-rust
[INFO] tweaked toml for git repo https://github.com/phudekar/game-of-life-rust written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/phudekar/game-of-life-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f0d9ba1096b5ea7477f4bff211eff96c23d1af8303f926281cfdf68af3320c4
[INFO] running `Command { std: "docker" "start" "-a" "8f0d9ba1096b5ea7477f4bff211eff96c23d1af8303f926281cfdf68af3320c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0d9ba1096b5ea7477f4bff211eff96c23d1af8303f926281cfdf68af3320c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0d9ba1096b5ea7477f4bff211eff96c23d1af8303f926281cfdf68af3320c4", kill_on_drop: false }`
[INFO] [stdout] 8f0d9ba1096b5ea7477f4bff211eff96c23d1af8303f926281cfdf68af3320c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c8429aabbc82115e0c60f781e9c1260c1a7a26bf2d72714d46c617226d5e03
[INFO] running `Command { std: "docker" "start" "-a" "a9c8429aabbc82115e0c60f781e9c1260c1a7a26bf2d72714d46c617226d5e03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling game_of_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `alive_cell`
[INFO] [stdout]   --> src/strategy.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn alive_cell() -> Cell {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dead_cell`
[INFO] [stdout]   --> src/strategy.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn dead_cell() -> Cell {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.52s
[INFO] running `Command { std: "docker" "inspect" "a9c8429aabbc82115e0c60f781e9c1260c1a7a26bf2d72714d46c617226d5e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c8429aabbc82115e0c60f781e9c1260c1a7a26bf2d72714d46c617226d5e03", kill_on_drop: false }`
[INFO] [stdout] a9c8429aabbc82115e0c60f781e9c1260c1a7a26bf2d72714d46c617226d5e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51af4fd2a54dbdf66c1e9d15c47bb873af02c891f2f77cc2ae27471096e89747
[INFO] running `Command { std: "docker" "start" "-a" "51af4fd2a54dbdf66c1e9d15c47bb873af02c891f2f77cc2ae27471096e89747", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling game_of_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/game_of_life-8e9907fec3f625b8)
[INFO] running `Command { std: "docker" "inspect" "51af4fd2a54dbdf66c1e9d15c47bb873af02c891f2f77cc2ae27471096e89747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51af4fd2a54dbdf66c1e9d15c47bb873af02c891f2f77cc2ae27471096e89747", kill_on_drop: false }`
[INFO] [stdout] 51af4fd2a54dbdf66c1e9d15c47bb873af02c891f2f77cc2ae27471096e89747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9995698cddd1d95aa54fe7d63e3e61176ffaad25a6043d1b4cc70a1bbeb62cb9
[INFO] running `Command { std: "docker" "start" "-a" "9995698cddd1d95aa54fe7d63e3e61176ffaad25a6043d1b4cc70a1bbeb62cb9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/game_of_life-8e9907fec3f625b8)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test cell::cell_should_be_in_dead_state_initially ... ok
[INFO] [stdout] test cell::cell_should_have_position ... ok
[INFO] [stdout] test position::should_return_neighbors_of_a_cell ... ok
[INFO] [stdout] test position::should_return_neighbors_of_cell_at_corner ... ok
[INFO] [stdout] test strategy::alive_cell_should_become_dead_with_less_than_2_neighbors ... ok
[INFO] [stdout] test strategy::alive_cell_should_stay_alive_with_2_neighbors ... ok
[INFO] [stdout] test strategy::alive_cell_should_become_dead_with_more_than_3_neighbors ... ok
[INFO] [stdout] test strategy::dead_cell_should_become_alive_with_exact_3_neighbors ... ok
[INFO] [stdout] test strategy::alive_cell_should_stay_alive_with_3_neighbors ... ok
[INFO] [stdout] test strategy::dead_cell_should_stay_dead_with_2_neighbors ... ok
[INFO] [stdout] test strategy::dead_cell_should_stay_dead_without_any_living_neighbor ... ok
[INFO] [stdout] test world::should_create_world_with_given_dimension ... ok
[INFO] [stdout] test world::should_create_dead_cells_by_default ... ok
[INFO] [stdout] test world::should_initialize_with_alive_cells ... ok
[INFO] [stdout] test world::should_return_next_generation_for_single_cell ... ok
[INFO] [stdout] test world::should_return_next_generation_with_more_cells ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9995698cddd1d95aa54fe7d63e3e61176ffaad25a6043d1b4cc70a1bbeb62cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9995698cddd1d95aa54fe7d63e3e61176ffaad25a6043d1b4cc70a1bbeb62cb9", kill_on_drop: false }`
[INFO] [stdout] 9995698cddd1d95aa54fe7d63e3e61176ffaad25a6043d1b4cc70a1bbeb62cb9