[INFO] cloning repository https://github.com/jstsddg/nine-mens-morris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jstsddg/nine-mens-morris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstsddg%2Fnine-mens-morris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstsddg%2Fnine-mens-morris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e74b1f30c3bf8988bdf0c39b3bcd876762eb5b0
[INFO] checking jstsddg/nine-mens-morris against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstsddg%2Fnine-mens-morris" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jstsddg/nine-mens-morris on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jstsddg/nine-mens-morris
[INFO] finished tweaking git repo https://github.com/jstsddg/nine-mens-morris
[INFO] tweaked toml for git repo https://github.com/jstsddg/nine-mens-morris written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jstsddg/nine-mens-morris already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb3cf8c7c35f12e2c0f33c28364739cd19b67918f38f31a261253a690a6cbad5
[INFO] running `Command { std: "docker" "start" "-a" "bb3cf8c7c35f12e2c0f33c28364739cd19b67918f38f31a261253a690a6cbad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb3cf8c7c35f12e2c0f33c28364739cd19b67918f38f31a261253a690a6cbad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3cf8c7c35f12e2c0f33c28364739cd19b67918f38f31a261253a690a6cbad5", kill_on_drop: false }`
[INFO] [stdout] bb3cf8c7c35f12e2c0f33c28364739cd19b67918f38f31a261253a690a6cbad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 071b15c1bb20aa9eed1bcae7dfc3535333aa883c237d64fab308d8dd4b573c78
[INFO] running `Command { std: "docker" "start" "-a" "071b15c1bb20aa9eed1bcae7dfc3535333aa883c237d64fab308d8dd4b573c78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nine-mens-morris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `states`
[INFO] [stdout]   --> src/artificial_intelligence/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     states: Vec<State>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/artificial_intelligence/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     value: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/artificial_intelligence/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     counter: Counter,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `states`
[INFO] [stdout]   --> src/artificial_intelligence/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     states: Vec<State>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/artificial_intelligence/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     value: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/artificial_intelligence/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     counter: Counter,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "071b15c1bb20aa9eed1bcae7dfc3535333aa883c237d64fab308d8dd4b573c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071b15c1bb20aa9eed1bcae7dfc3535333aa883c237d64fab308d8dd4b573c78", kill_on_drop: false }`
[INFO] [stdout] 071b15c1bb20aa9eed1bcae7dfc3535333aa883c237d64fab308d8dd4b573c78