[INFO] cloning repository https://github.com/nipzu/sherlock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nipzu/sherlock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fsherlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fsherlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04bfa91da4ba466e2aa45257b1b1ca0295a3e777
[INFO] testing nipzu/sherlock against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fsherlock" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nipzu/sherlock on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nipzu/sherlock
[INFO] finished tweaking git repo https://github.com/nipzu/sherlock
[INFO] tweaked toml for git repo https://github.com/nipzu/sherlock written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nipzu/sherlock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72fb40d2786605e104baf8b11c29be0c27610f1204f11e786f29a0bf38cb19a6
[INFO] running `Command { std: "docker" "start" "-a" "72fb40d2786605e104baf8b11c29be0c27610f1204f11e786f29a0bf38cb19a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72fb40d2786605e104baf8b11c29be0c27610f1204f11e786f29a0bf38cb19a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fb40d2786605e104baf8b11c29be0c27610f1204f11e786f29a0bf38cb19a6", kill_on_drop: false }`
[INFO] [stdout] 72fb40d2786605e104baf8b11c29be0c27610f1204f11e786f29a0bf38cb19a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 642018a908e8a97469bbd9ff1eee2fbd6b76d91e72b1b38f7526ee7f7ed43d80
[INFO] running `Command { std: "docker" "start" "-a" "642018a908e8a97469bbd9ff1eee2fbd6b76d91e72b1b38f7526ee7f7ed43d80", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling broadcaster v1.0.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling sherlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `game_tree`
[INFO] [stdout]   --> src/engine.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     game_tree: Vec<Position>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes_searched`
[INFO] [stdout]   --> src/engine.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     nodes_searched: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_node`
[INFO] [stdout]   --> src/engine.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     root_node: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `depth`
[INFO] [stdout]   --> src/engine.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     depth: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.13s
[INFO] running `Command { std: "docker" "inspect" "642018a908e8a97469bbd9ff1eee2fbd6b76d91e72b1b38f7526ee7f7ed43d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642018a908e8a97469bbd9ff1eee2fbd6b76d91e72b1b38f7526ee7f7ed43d80", kill_on_drop: false }`
[INFO] [stdout] 642018a908e8a97469bbd9ff1eee2fbd6b76d91e72b1b38f7526ee7f7ed43d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d17541cbd796bb7cb50f85a937a13efb8d3d517b2ffd28b1c662e34cc3bc43
[INFO] running `Command { std: "docker" "start" "-a" "e8d17541cbd796bb7cb50f85a937a13efb8d3d517b2ffd28b1c662e34cc3bc43", kill_on_drop: false }`
[INFO] [stderr]    Compiling sherlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `game_tree`
[INFO] [stdout]   --> src/engine.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     game_tree: Vec<Position>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes_searched`
[INFO] [stdout]   --> src/engine.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     nodes_searched: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_node`
[INFO] [stdout]   --> src/engine.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     root_node: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `depth`
[INFO] [stdout]   --> src/engine.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     depth: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "e8d17541cbd796bb7cb50f85a937a13efb8d3d517b2ffd28b1c662e34cc3bc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d17541cbd796bb7cb50f85a937a13efb8d3d517b2ffd28b1c662e34cc3bc43", kill_on_drop: false }`
[INFO] [stdout] e8d17541cbd796bb7cb50f85a937a13efb8d3d517b2ffd28b1c662e34cc3bc43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e8b2c362ecc921fe078f864815a76b44fb443f6588ff668ad02edc2d183b192
[INFO] running `Command { std: "docker" "start" "-a" "1e8b2c362ecc921fe078f864815a76b44fb443f6588ff668ad02edc2d183b192", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `game_tree`
[INFO] [stderr]   --> src/engine.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     game_tree: Vec<Position>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `nodes_searched`
[INFO] [stderr]   --> src/engine.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     nodes_searched: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `root_node`
[INFO] [stderr]   --> src/engine.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     root_node: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `depth`
[INFO] [stderr]   --> src/engine.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     depth: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sherlock` (bin "sherlock" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sherlock-52dff98532d7e688)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e8b2c362ecc921fe078f864815a76b44fb443f6588ff668ad02edc2d183b192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8b2c362ecc921fe078f864815a76b44fb443f6588ff668ad02edc2d183b192", kill_on_drop: false }`
[INFO] [stdout] 1e8b2c362ecc921fe078f864815a76b44fb443f6588ff668ad02edc2d183b192