[INFO] cloning repository https://github.com/samthorold/rs-tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samthorold/rs-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamthorold%2Frs-tic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamthorold%2Frs-tic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfb23e6faa032eff5fde76aa4f3087fd6b7d2790
[INFO] checking samthorold/rs-tic-tac-toe against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamthorold%2Frs-tic-tac-toe" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samthorold/rs-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/samthorold/rs-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/samthorold/rs-tic-tac-toe written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samthorold/rs-tic-tac-toe on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samthorold/rs-tic-tac-toe 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0481f1849fb17b89eceba5cf98b03c5f6d677efa534cadf384237be11b06a9d
[INFO] running `Command { std: "docker" "start" "-a" "a0481f1849fb17b89eceba5cf98b03c5f6d677efa534cadf384237be11b06a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0481f1849fb17b89eceba5cf98b03c5f6d677efa534cadf384237be11b06a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0481f1849fb17b89eceba5cf98b03c5f6d677efa534cadf384237be11b06a9d", kill_on_drop: false }`
[INFO] [stdout] a0481f1849fb17b89eceba5cf98b03c5f6d677efa534cadf384237be11b06a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2187a58bd8239acc5eafdf460ee49e8aea6278e72287e091c319ae8ba8fe9fa
[INFO] running `Command { std: "docker" "start" "-a" "f2187a58bd8239acc5eafdf460ee49e8aea6278e72287e091c319ae8ba8fe9fa", kill_on_drop: false }`
[INFO] [stderr]     Checking rs-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `depth` is never used
[INFO] [stdout]   --> src/search.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Node: Sized + Clone + Hash {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 14 |     fn depth(&self) -> usize;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `depth` is never used
[INFO] [stdout]   --> src/search.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Node: Sized + Clone + Hash {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 14 |     fn depth(&self) -> usize;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f2187a58bd8239acc5eafdf460ee49e8aea6278e72287e091c319ae8ba8fe9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2187a58bd8239acc5eafdf460ee49e8aea6278e72287e091c319ae8ba8fe9fa", kill_on_drop: false }`
[INFO] [stdout] f2187a58bd8239acc5eafdf460ee49e8aea6278e72287e091c319ae8ba8fe9fa