[INFO] fetching crate robot_master_arena 0.1.0...
[INFO] checking robot_master_arena-0.1.0 against 65dd30fb9e882a7e8f0be10caca62936db2a98b8 for pr-133502-28
[INFO] extracting crate robot_master_arena 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate robot_master_arena 0.1.0
[INFO] finished tweaking crates.io crate robot_master_arena 0.1.0
[INFO] tweaked toml for crates.io crate robot_master_arena 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate robot_master_arena 0.1.0 on toolchain 65dd30fb9e882a7e8f0be10caca62936db2a98b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65dd30fb9e882a7e8f0be10caca62936db2a98b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate robot_master_arena 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65dd30fb9e882a7e8f0be10caca62936db2a98b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4
[INFO] running `Command { std: "docker" "start" "bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4" "/opt/rustwide/cargo-home/bin/cargo" "+65dd30fb9e882a7e8f0be10caca62936db2a98b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4" "/opt/rustwide/cargo-home/bin/cargo" "+65dd30fb9e882a7e8f0be10caca62936db2a98b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]     Checking uuid v1.23.1
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[INFO] [stderr]     Checking indexmap v2.14.0
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[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]     Checking bon v3.9.1
[INFO] [stderr]     Checking board-game v0.8.2
[INFO] [stderr]     Checking robot_master_core v0.1.0
[INFO] [stderr]     Checking robot_master_arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `board_game::board::Board`
[INFO] [stdout]    --> src/algos/rollout.rs:180:6
[INFO] [stdout]     |
[INFO] [stdout] 180 |     use board_game::board::Board as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `default_field_values` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(default_field_values)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `default_field_values` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(default_field_values)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: v_utils v2.15.41
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4", kill_on_drop: false }`
[INFO] [stdout] bce8a6cefea0197997d022e94089a9a41ce7fcf4e6383dcb21165b0c167db5c4