[INFO] cloning repository https://github.com/lk16/othello_bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lk16/othello_bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flk16%2Fothello_bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flk16%2Fothello_bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1a99f0facb39f710436f58d2e13a06d17e3fdc
[INFO] testing lk16/othello_bot against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flk16%2Fothello_bot" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lk16/othello_bot on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lk16/othello_bot
[INFO] finished tweaking git repo https://github.com/lk16/othello_bot
[INFO] tweaked toml for git repo https://github.com/lk16/othello_bot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lk16/othello_bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0f4db99afa1828fe86cf292aab97864c85795d5b8a3bfc10b98a608f759aa5c
[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" "e0f4db99afa1828fe86cf292aab97864c85795d5b8a3bfc10b98a608f759aa5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f4db99afa1828fe86cf292aab97864c85795d5b8a3bfc10b98a608f759aa5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f4db99afa1828fe86cf292aab97864c85795d5b8a3bfc10b98a608f759aa5c", kill_on_drop: false }`
[INFO] [stdout] e0f4db99afa1828fe86cf292aab97864c85795d5b8a3bfc10b98a608f759aa5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f05593f68a514ade40a70c0117807f644ff193370122d4386e720cf4988fa330
[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" "f05593f68a514ade40a70c0117807f644ff193370122d4386e720cf4988fa330", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling packed_simd_2 v0.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling othello_bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_random`
[INFO] [stdout]   --> src/board.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new_random(discs: u32) -> Board {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `do_random_move`
[INFO] [stdout]    --> src/board.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn do_random_move(&self) -> Board {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count_discs`
[INFO] [stdout]    --> src/board.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn count_discs(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.51s
[INFO] running `Command { std: "docker" "inspect" "f05593f68a514ade40a70c0117807f644ff193370122d4386e720cf4988fa330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05593f68a514ade40a70c0117807f644ff193370122d4386e720cf4988fa330", kill_on_drop: false }`
[INFO] [stdout] f05593f68a514ade40a70c0117807f644ff193370122d4386e720cf4988fa330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c1647cb8e819ca8a1b58a69464389a160e26d2c02d5345aaf3f7c72fe2134a
[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" "59c1647cb8e819ca8a1b58a69464389a160e26d2c02d5345aaf3f7c72fe2134a", kill_on_drop: false }`
[INFO] [stderr]    Compiling othello_bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "59c1647cb8e819ca8a1b58a69464389a160e26d2c02d5345aaf3f7c72fe2134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c1647cb8e819ca8a1b58a69464389a160e26d2c02d5345aaf3f7c72fe2134a", kill_on_drop: false }`
[INFO] [stdout] 59c1647cb8e819ca8a1b58a69464389a160e26d2c02d5345aaf3f7c72fe2134a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a60a293836ae81ebc70142de113063f907bbe3d02a34f49d96b4d71d5ce42c5
[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" "2a60a293836ae81ebc70142de113063f907bbe3d02a34f49d96b4d71d5ce42c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/othello_bot-8543f30ff0556923
[INFO] [stdout] running 11 tests
[INFO] [stdout] test board::tests::test_board_count_discs ... ok
[INFO] [stdout] test board::tests::test_board_exact_score ... ok
[INFO] [stdout] test board::tests::test_board_corner_difference ... ok
[INFO] [stdout] test board::tests::test_board_potential_moves_difference ... ok
[INFO] [stdout] test board::tests::test_board_switch_turn ... ok
[INFO] [stdout] test board::tests::test_board_children ... ok
[INFO] [stdout] test board::tests::test_has_moves ... ok
[INFO] [stdout] test board::tests::test_board_flip ... ok
[INFO] [stdout] test board::tests::test_board_do_move ... ok
[INFO] [stdout] test board::tests::test_board_moves ... ok
[INFO] [stdout] test board::tests::test_board_do_random_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a60a293836ae81ebc70142de113063f907bbe3d02a34f49d96b4d71d5ce42c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a60a293836ae81ebc70142de113063f907bbe3d02a34f49d96b4d71d5ce42c5", kill_on_drop: false }`
[INFO] [stdout] 2a60a293836ae81ebc70142de113063f907bbe3d02a34f49d96b4d71d5ce42c5