[INFO] cloning repository https://github.com/AlvinNg727/Rust-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/AlvinNg727/Rust-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvinNg727%2FRust-tic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvinNg727%2FRust-tic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6db2b04d9e1c5e3440f74efa37457127f1a045e0
[INFO] testing AlvinNg727/Rust-tic-tac-toe against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvinNg727%2FRust-tic-tac-toe" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlvinNg727/Rust-tic-tac-toe on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlvinNg727/Rust-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/AlvinNg727/Rust-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/AlvinNg727/Rust-tic-tac-toe written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate git repo https://github.com/AlvinNg727/Rust-tic-tac-toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd5cd49e1462e68b2ece170ee1cb6b9c83f844b7509e45b55e97fe177165d022
[INFO] running `Command { std: "docker" "start" "-a" "fd5cd49e1462e68b2ece170ee1cb6b9c83f844b7509e45b55e97fe177165d022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5cd49e1462e68b2ece170ee1cb6b9c83f844b7509e45b55e97fe177165d022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5cd49e1462e68b2ece170ee1cb6b9c83f844b7509e45b55e97fe177165d022", kill_on_drop: false }`
[INFO] [stdout] fd5cd49e1462e68b2ece170ee1cb6b9c83f844b7509e45b55e97fe177165d022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a0d4ff3dee217a986d14054b86220407459fe9b0445f1c4774ec059dcf8538
[INFO] running `Command { std: "docker" "start" "-a" "06a0d4ff3dee217a986d14054b86220407459fe9b0445f1c4774ec059dcf8538", kill_on_drop: false }`
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `winner` is never read
[INFO] [stdout]    --> src/main.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let mut winner: u32 = 0; // 0 = continue game, 1 = bot won, 2 = you won
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "06a0d4ff3dee217a986d14054b86220407459fe9b0445f1c4774ec059dcf8538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a0d4ff3dee217a986d14054b86220407459fe9b0445f1c4774ec059dcf8538", kill_on_drop: false }`
[INFO] [stdout] 06a0d4ff3dee217a986d14054b86220407459fe9b0445f1c4774ec059dcf8538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff6032379d849b39e76014b3c34c8a2682d0e5c14c17a9b50d98b8d6faf4ce90
[INFO] running `Command { std: "docker" "start" "-a" "ff6032379d849b39e76014b3c34c8a2682d0e5c14c17a9b50d98b8d6faf4ce90", kill_on_drop: false }`
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `winner` is never read
[INFO] [stdout]    --> src/main.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let mut winner: u32 = 0; // 0 = continue game, 1 = bot won, 2 = you won
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "ff6032379d849b39e76014b3c34c8a2682d0e5c14c17a9b50d98b8d6faf4ce90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6032379d849b39e76014b3c34c8a2682d0e5c14c17a9b50d98b8d6faf4ce90", kill_on_drop: false }`
[INFO] [stdout] ff6032379d849b39e76014b3c34c8a2682d0e5c14c17a9b50d98b8d6faf4ce90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 210f2aee908466f3faa9a35a3fb25ea134007564bf3601956d7243cd4fb26c4e
[INFO] running `Command { std: "docker" "start" "-a" "210f2aee908466f3faa9a35a3fb25ea134007564bf3601956d7243cd4fb26c4e", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `winner` is never read
[INFO] [stderr]    --> src/main.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut winner: u32 = 0; // 0 = continue game, 1 = bot won, 2 = you won
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `tictactoe` (bin "tictactoe" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tictactoe-d086f1c5ac519fe2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "210f2aee908466f3faa9a35a3fb25ea134007564bf3601956d7243cd4fb26c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210f2aee908466f3faa9a35a3fb25ea134007564bf3601956d7243cd4fb26c4e", kill_on_drop: false }`
[INFO] [stdout] 210f2aee908466f3faa9a35a3fb25ea134007564bf3601956d7243cd4fb26c4e