[INFO] cloning repository https://github.com/lencse/gomoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lencse/gomoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flencse%2Fgomoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flencse%2Fgomoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc419025b42c5ff0e3527829841ff2a951097319
[INFO] checking lencse/gomoku against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flencse%2Fgomoku" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lencse/gomoku on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lencse/gomoku
[INFO] finished tweaking git repo https://github.com/lencse/gomoku
[INFO] tweaked toml for git repo https://github.com/lencse/gomoku written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lencse/gomoku 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking lencse/gomoku against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flencse%2Fgomoku" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lencse/gomoku on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lencse/gomoku
[INFO] finished tweaking git repo https://github.com/lencse/gomoku
[INFO] tweaked toml for git repo https://github.com/lencse/gomoku written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lencse/gomoku 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8700ee3dee028fde21e50a82402cffb46c4fc6061cef09a95a92ab01bea82c3
[INFO] running `Command { std: "docker" "start" "-a" "a8700ee3dee028fde21e50a82402cffb46c4fc6061cef09a95a92ab01bea82c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8700ee3dee028fde21e50a82402cffb46c4fc6061cef09a95a92ab01bea82c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8700ee3dee028fde21e50a82402cffb46c4fc6061cef09a95a92ab01bea82c3", kill_on_drop: false }`
[INFO] [stdout] a8700ee3dee028fde21e50a82402cffb46c4fc6061cef09a95a92ab01bea82c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Ddereferencing_mut_binding" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff6835ab19c424913bf2022d6eff309c0076fc87485eadfe86ed08ecf816c91
[INFO] running `Command { std: "docker" "start" "-a" "1ff6835ab19c424913bf2022d6eff309c0076fc87485eadfe86ed08ecf816c91", kill_on_drop: false }`
[INFO] [stderr]     Checking gomoku v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let g = game::Game::new();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let g = game::Game::new();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]  --> src/game.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Position {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pos` is never used
[INFO] [stdout]  --> src/game.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn pos(row: usize, col: usize) -> Position {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cells` is never read
[INFO] [stdout]   --> src/game.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Table {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     cells: [[u8; SIZE]; SIZE],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `val` is never used
[INFO] [stdout]   --> src/game.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Table {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 27 |     pub fn val(&self, pos: &Position) -> u8 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `put` is never used
[INFO] [stdout]   --> src/game.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Table {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 33 |     pub fn put(&mut self, pos: &Position, value: u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `table` and `next` are never read
[INFO] [stdout]   --> src/game.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 41 |     table: Table,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     next: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `val` is never used
[INFO] [stdout]   --> src/game.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl Game {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 55 |     pub fn val(&self, pos: &Position) -> u8 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]   --> src/game.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Game {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 61 |     pub fn step(&mut self, pos: &Position) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "1ff6835ab19c424913bf2022d6eff309c0076fc87485eadfe86ed08ecf816c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff6835ab19c424913bf2022d6eff309c0076fc87485eadfe86ed08ecf816c91", kill_on_drop: false }`
[INFO] [stdout] 1ff6835ab19c424913bf2022d6eff309c0076fc87485eadfe86ed08ecf816c91