[INFO] cloning repository https://github.com/tolumide-ng/checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tolumide-ng/checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcheckers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcheckers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e70714f84bfcff71b77759efcea0b1b6b93a9925
[INFO] checking tolumide-ng/checkers against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcheckers" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tolumide-ng/checkers
[INFO] finished tweaking git repo https://github.com/tolumide-ng/checkers
[INFO] tweaked toml for git repo https://github.com/tolumide-ng/checkers written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tolumide-ng/checkers on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tolumide-ng/checkers 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tolumide-ng/checkers against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcheckers" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tolumide-ng/checkers
[INFO] finished tweaking git repo https://github.com/tolumide-ng/checkers
[INFO] tweaked toml for git repo https://github.com/tolumide-ng/checkers written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tolumide-ng/checkers on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tolumide-ng/checkers 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fead8bfdbb04a82acf73373b98daa0ed7b979ce9a98923791f0e225316c8afda
[INFO] running `Command { std: "docker" "start" "-a" "fead8bfdbb04a82acf73373b98daa0ed7b979ce9a98923791f0e225316c8afda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fead8bfdbb04a82acf73373b98daa0ed7b979ce9a98923791f0e225316c8afda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fead8bfdbb04a82acf73373b98daa0ed7b979ce9a98923791f0e225316c8afda", kill_on_drop: false }`
[INFO] [stdout] fead8bfdbb04a82acf73373b98daa0ed7b979ce9a98923791f0e225316c8afda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29f16a00510dae010e9ee1c7142b22ae4964293b6c25c59732f74518aa3ac7b7
[INFO] running `Command { std: "docker" "start" "-a" "29f16a00510dae010e9ee1c7142b22ae4964293b6c25c59732f74518aa3ac7b7", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking tiqtak v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `child` is never read
[INFO] [stdout]    --> src/mcts/algo/tree_search.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut child = None;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/game/model/bits.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Bits {
[INFO] [stdout]   | --------- associated function in this implementation
[INFO] [stdout] 5 |     pub(crate) fn new(n: u32) -> Self {
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, and `zero` are never used
[INFO] [stdout]   --> src/game/utils.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Qmvs {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 36 |     pub(crate) fn new() -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) fn inc(&mut self, turn: Player) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub(crate) fn zero(&mut self) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MDP` is never used
[INFO] [stdout]  --> src/mcts/algo/mdp.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MDP {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Strategy` is never used
[INFO] [stdout]  --> src/mcts/utils/strategy.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) enum Strategy {
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `child` is never read
[INFO] [stdout]    --> src/mcts/algo/tree_search.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut child = None;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/game/model/bits.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Bits {
[INFO] [stdout]   | --------- associated function in this implementation
[INFO] [stdout] 5 |     pub(crate) fn new(n: u32) -> Self {
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, and `zero` are never used
[INFO] [stdout]   --> src/game/utils.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Qmvs {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 36 |     pub(crate) fn new() -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) fn inc(&mut self, turn: Player) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub(crate) fn zero(&mut self) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MDP` is never used
[INFO] [stdout]  --> src/mcts/algo/mdp.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MDP {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Strategy` is never used
[INFO] [stdout]  --> src/mcts/utils/strategy.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) enum Strategy {
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "29f16a00510dae010e9ee1c7142b22ae4964293b6c25c59732f74518aa3ac7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f16a00510dae010e9ee1c7142b22ae4964293b6c25c59732f74518aa3ac7b7", kill_on_drop: false }`
[INFO] [stdout] 29f16a00510dae010e9ee1c7142b22ae4964293b6c25c59732f74518aa3ac7b7