[INFO] cloning repository https://github.com/JudgeGlass/TicTacToe-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JudgeGlass/TicTacToe-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJudgeGlass%2FTicTacToe-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJudgeGlass%2FTicTacToe-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7c2d0aa583c3871716b5275763090e4d46600475 [INFO] testing JudgeGlass/TicTacToe-rs against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJudgeGlass%2FTicTacToe-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JudgeGlass/TicTacToe-rs on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JudgeGlass/TicTacToe-rs [INFO] finished tweaking git repo https://github.com/JudgeGlass/TicTacToe-rs [INFO] tweaked toml for git repo https://github.com/JudgeGlass/TicTacToe-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/JudgeGlass/TicTacToe-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37b6680a30a63d77451a63e8ca5b9b2f401110bbf75031a7454aaaa23245a2f6 [INFO] running `Command { std: "docker" "start" "-a" "37b6680a30a63d77451a63e8ca5b9b2f401110bbf75031a7454aaaa23245a2f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37b6680a30a63d77451a63e8ca5b9b2f401110bbf75031a7454aaaa23245a2f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37b6680a30a63d77451a63e8ca5b9b2f401110bbf75031a7454aaaa23245a2f6", kill_on_drop: false }` [INFO] [stdout] 37b6680a30a63d77451a63e8ca5b9b2f401110bbf75031a7454aaaa23245a2f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 897e95d884fd471e81bfc6b51b69efc125fca4217b58467a5b883ede8c402533 [INFO] running `Command { std: "docker" "start" "-a" "897e95d884fd471e81bfc6b51b69efc125fca4217b58467a5b883ede8c402533", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling tic_tac_toe-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.32s [INFO] running `Command { std: "docker" "inspect" "897e95d884fd471e81bfc6b51b69efc125fca4217b58467a5b883ede8c402533", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "897e95d884fd471e81bfc6b51b69efc125fca4217b58467a5b883ede8c402533", kill_on_drop: false }` [INFO] [stdout] 897e95d884fd471e81bfc6b51b69efc125fca4217b58467a5b883ede8c402533 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 457a9448b7c3a5d0414bac3709cf4ba72296264e9519b840f7a33b93598fe824 [INFO] running `Command { std: "docker" "start" "-a" "457a9448b7c3a5d0414bac3709cf4ba72296264e9519b840f7a33b93598fe824", kill_on_drop: false }` [INFO] [stderr] Compiling tic_tac_toe-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "457a9448b7c3a5d0414bac3709cf4ba72296264e9519b840f7a33b93598fe824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "457a9448b7c3a5d0414bac3709cf4ba72296264e9519b840f7a33b93598fe824", kill_on_drop: false }` [INFO] [stdout] 457a9448b7c3a5d0414bac3709cf4ba72296264e9519b840f7a33b93598fe824 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 53e8386d093992262749c9c83df5c8f9c097032f580fbc7b9183840596debc16 [INFO] running `Command { std: "docker" "start" "-a" "53e8386d093992262749c9c83df5c8f9c097032f580fbc7b9183840596debc16", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `tic_tac_toe-rs` (bin "tic_tac_toe-rs" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tic_tac_toe_rs-acc28dc9beaea745) [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" "53e8386d093992262749c9c83df5c8f9c097032f580fbc7b9183840596debc16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53e8386d093992262749c9c83df5c8f9c097032f580fbc7b9183840596debc16", kill_on_drop: false }` [INFO] [stdout] 53e8386d093992262749c9c83df5c8f9c097032f580fbc7b9183840596debc16