[INFO] cloning repository https://github.com/khoda81/rust-2048-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khoda81/rust-2048-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhoda81%2Frust-2048-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhoda81%2Frust-2048-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79062eab48d036284b4d785091dc9c67a8990c51
[INFO] checking khoda81/rust-2048-solver against try#d0ab665d12770dbaae620b539ee4319b83445f45 for pr-133502-24
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhoda81%2Frust-2048-solver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/khoda81/rust-2048-solver
[INFO] finished tweaking git repo https://github.com/khoda81/rust-2048-solver
[INFO] tweaked toml for git repo https://github.com/khoda81/rust-2048-solver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khoda81/rust-2048-solver on toolchain d0ab665d12770dbaae620b539ee4319b83445f45
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khoda81/rust-2048-solver 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" "+d0ab665d12770dbaae620b539ee4319b83445f45" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8
[INFO] running `Command { std: "docker" "start" "785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8", 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" "785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8" "/opt/rustwide/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8", 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" "785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8" "/opt/rustwide/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
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[INFO] [stderr]     Checking rust-2048-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/bots/mean_max/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct SearchResult<Game: game::GameState> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 21 |     task_id: usize,
[INFO] [stdout] 22 |     state: Game,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/bots/mean_max/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct SearcherThread<Game: game::GameState> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 27 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/bots/mean_max/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct SearchResult<Game: game::GameState> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 21 |     task_id: usize,
[INFO] [stdout] 22 |     state: Game,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/bots/mean_max/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct SearcherThread<Game: game::GameState> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 27 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8", kill_on_drop: false }`
[INFO] [stdout] 785f7f6ca94ff6097d7abf53a2cdc521eae8e20069244575c0c31b00b30853e8
