[INFO] cloning repository https://github.com/fibre-ether/tictactoe-minimax-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fibre-ether/tictactoe-minimax-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffibre-ether%2Ftictactoe-minimax-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffibre-ether%2Ftictactoe-minimax-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd195d5a85bb5d7d256f65b76251d0194306ed2d
[INFO] checking fibre-ether/tictactoe-minimax-rust against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffibre-ether%2Ftictactoe-minimax-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fibre-ether/tictactoe-minimax-rust
[INFO] finished tweaking git repo https://github.com/fibre-ether/tictactoe-minimax-rust
[INFO] tweaked toml for git repo https://github.com/fibre-ether/tictactoe-minimax-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fibre-ether/tictactoe-minimax-rust on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fibre-ether/tictactoe-minimax-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" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/workspace/builds/worker-1-tc2/source/src/lib.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `tictactoe`
[INFO] [stderr]   * `bin` target `lib`
[INFO] [stderr] warning: `tictactoe` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.72
[INFO] [stderr]   Downloaded syn v2.0.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb
[INFO] running `Command { std: "docker" "start" "0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/opt/rustwide/workdir/src/lib.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `tictactoe`
[INFO] [stderr]   * `bin` target `lib`
[INFO] [stderr] warning: `tictactoe` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retrieve_custom_board` is never used
[INFO] [stdout]   --> src/helpers/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn retrieve_custom_board() -> Vec<BoardState> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_input` is never used
[INFO] [stdout]   --> src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn user_input(move_var: &mut usize) -> Result<(), &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retrieve_custom_board` is never used
[INFO] [stdout]   --> src/helpers/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn retrieve_custom_board() -> Vec<BoardState> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retrieve_custom_board` is never used
[INFO] [stdout]   --> src/helpers/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn retrieve_custom_board() -> Vec<BoardState> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method`
[INFO] [stdout]   --> src/helpers/game.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[wasm_bindgen(method)]
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retrieve_custom_board` is never used
[INFO] [stdout]   --> src/helpers/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn retrieve_custom_board() -> Vec<BoardState> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb", kill_on_drop: false }`
[INFO] [stdout] 0953e2918b8e328120345d58bf86e53d299a3a54eaf406c28e607acc53afc3cb
