[INFO] cloning repository https://github.com/smithhmark/dice_of_doom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smithhmark/dice_of_doom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmithhmark%2Fdice_of_doom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmithhmark%2Fdice_of_doom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbd46c15dd66fe82a1c9cb08037965dff782b210
[INFO] checking smithhmark/dice_of_doom against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmithhmark%2Fdice_of_doom" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smithhmark/dice_of_doom on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smithhmark/dice_of_doom
[INFO] finished tweaking git repo https://github.com/smithhmark/dice_of_doom
[INFO] tweaked toml for git repo https://github.com/smithhmark/dice_of_doom written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/smithhmark/dice_of_doom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd5f3342cacf592d9f2836ec7fc5e5032339a886cd931edc7e846e2e985aa1c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd5f3342cacf592d9f2836ec7fc5e5032339a886cd931edc7e846e2e985aa1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5f3342cacf592d9f2836ec7fc5e5032339a886cd931edc7e846e2e985aa1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5f3342cacf592d9f2836ec7fc5e5032339a886cd931edc7e846e2e985aa1c8", kill_on_drop: false }`
[INFO] [stdout] fd5f3342cacf592d9f2836ec7fc5e5032339a886cd931edc7e846e2e985aa1c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1553d6e43c8b92c4dfe8ba894d3dc1b630074bdb33643494556ae1b56766dfc9
[INFO] running `Command { std: "docker" "start" "-a" "1553d6e43c8b92c4dfe8ba894d3dc1b630074bdb33643494556ae1b56766dfc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking dice_of_doom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `neighbor_indices`
[INFO] [stdout]   --> src/board.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn neighbor_indices(pos: usize, sz: usize) -> Vec<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_root`
[INFO] [stdout]   --> src/game.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn create_root(board: board::Board) -> Box<GameState> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "1553d6e43c8b92c4dfe8ba894d3dc1b630074bdb33643494556ae1b56766dfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1553d6e43c8b92c4dfe8ba894d3dc1b630074bdb33643494556ae1b56766dfc9", kill_on_drop: false }`
[INFO] [stdout] 1553d6e43c8b92c4dfe8ba894d3dc1b630074bdb33643494556ae1b56766dfc9