[INFO] cloning repository https://github.com/mantaskindurys/TicTacToe-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mantaskindurys/TicTacToe-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantaskindurys%2FTicTacToe-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantaskindurys%2FTicTacToe-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b6d33f7b8168c3042f7336da81568efb5c3d0d5
[INFO] checking mantaskindurys/TicTacToe-Rust against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantaskindurys%2FTicTacToe-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mantaskindurys/TicTacToe-Rust on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mantaskindurys/TicTacToe-Rust
[INFO] finished tweaking git repo https://github.com/mantaskindurys/TicTacToe-Rust
[INFO] tweaked toml for git repo https://github.com/mantaskindurys/TicTacToe-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mantaskindurys/TicTacToe-Rust 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da5c4aa17aef98fa774d60220e785bcc8e2100c1891f5ef10d36c82608d1cac8
[INFO] running `Command { std: "docker" "start" "-a" "da5c4aa17aef98fa774d60220e785bcc8e2100c1891f5ef10d36c82608d1cac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5c4aa17aef98fa774d60220e785bcc8e2100c1891f5ef10d36c82608d1cac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5c4aa17aef98fa774d60220e785bcc8e2100c1891f5ef10d36c82608d1cac8", kill_on_drop: false }`
[INFO] [stdout] da5c4aa17aef98fa774d60220e785bcc8e2100c1891f5ef10d36c82608d1cac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc52f4bbb1d1a24beb67d7881493d4830580ae9f197f051d24b851e75736213
[INFO] running `Command { std: "docker" "start" "-a" "4bc52f4bbb1d1a24beb67d7881493d4830580ae9f197f051d24b851e75736213", kill_on_drop: false }`
[INFO] [stderr]     Checking tic_tack_toes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/main.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let BoardIndex(index) = ch.into();
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/main.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let BoardIndex(index) = ch.into();
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "4bc52f4bbb1d1a24beb67d7881493d4830580ae9f197f051d24b851e75736213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc52f4bbb1d1a24beb67d7881493d4830580ae9f197f051d24b851e75736213", kill_on_drop: false }`
[INFO] [stdout] 4bc52f4bbb1d1a24beb67d7881493d4830580ae9f197f051d24b851e75736213