[INFO] cloning repository https://github.com/sage-skaff/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/sage-skaff/tic_tac_toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsage-skaff%2Ftic_tac_toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsage-skaff%2Ftic_tac_toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d8c711a1cf802eb8d1baffb2ea8c73366b2a569
[INFO] checking sage-skaff/tic_tac_toe against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsage-skaff%2Ftic_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/sage-skaff/tic_tac_toe
[INFO] finished tweaking git repo https://github.com/sage-skaff/tic_tac_toe
[INFO] tweaked toml for git repo https://github.com/sage-skaff/tic_tac_toe written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sage-skaff/tic_tac_toe on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sage-skaff/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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e16cd51fb17fa6d99d471b487a69199bdb24f53c0341c0f7eb55d4534f5a6593
[INFO] running `Command { std: "docker" "start" "-a" "e16cd51fb17fa6d99d471b487a69199bdb24f53c0341c0f7eb55d4534f5a6593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16cd51fb17fa6d99d471b487a69199bdb24f53c0341c0f7eb55d4534f5a6593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16cd51fb17fa6d99d471b487a69199bdb24f53c0341c0f7eb55d4534f5a6593", kill_on_drop: false }`
[INFO] [stdout] e16cd51fb17fa6d99d471b487a69199bdb24f53c0341c0f7eb55d4534f5a6593
[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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b886a372e87b56e26b73f3c874def3fafd3318176c25619c5a83a11bcf53bfd1
[INFO] running `Command { std: "docker" "start" "-a" "b886a372e87b56e26b73f3c874def3fafd3318176c25619c5a83a11bcf53bfd1", kill_on_drop: false }`
[INFO] [stderr]     Checking tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn start_game_interface<I, O>(mut input_source: I, mut output_sink: O) -> io::Result<()>
[INFO] [stdout]    |                                   ----^^^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/game.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn has_won(&self, row: usize, col: usize) -> bool {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/game.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn has_won(&self, row: usize, col: usize) -> bool {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn start_game_interface<I, O>(mut input_source: I, mut output_sink: O) -> io::Result<()>
[INFO] [stdout]    |                                   ----^^^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/game.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn has_won(&self, row: usize, col: usize) -> bool {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/game.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn has_won(&self, row: usize, col: usize) -> bool {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b886a372e87b56e26b73f3c874def3fafd3318176c25619c5a83a11bcf53bfd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b886a372e87b56e26b73f3c874def3fafd3318176c25619c5a83a11bcf53bfd1", kill_on_drop: false }`
[INFO] [stdout] b886a372e87b56e26b73f3c874def3fafd3318176c25619c5a83a11bcf53bfd1
