[INFO] cloning repository https://github.com/EmilyWinjum/connect-four-ish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmilyWinjum/connect-four-ish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmilyWinjum%2Fconnect-four-ish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmilyWinjum%2Fconnect-four-ish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15ad39ab03a24f851a72359b1d115e2dcf9c8a10
[INFO] testing EmilyWinjum/connect-four-ish 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%2FEmilyWinjum%2Fconnect-four-ish" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EmilyWinjum/connect-four-ish 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/EmilyWinjum/connect-four-ish
[INFO] finished tweaking git repo https://github.com/EmilyWinjum/connect-four-ish
[INFO] tweaked toml for git repo https://github.com/EmilyWinjum/connect-four-ish written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/EmilyWinjum/connect-four-ish 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3266f7165f1fe986274aa2f72fd82038e45eb0a489aa1a051c16ce03c6e14312
[INFO] running `Command { std: "docker" "start" "-a" "3266f7165f1fe986274aa2f72fd82038e45eb0a489aa1a051c16ce03c6e14312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3266f7165f1fe986274aa2f72fd82038e45eb0a489aa1a051c16ce03c6e14312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3266f7165f1fe986274aa2f72fd82038e45eb0a489aa1a051c16ce03c6e14312", kill_on_drop: false }`
[INFO] [stdout] 3266f7165f1fe986274aa2f72fd82038e45eb0a489aa1a051c16ce03c6e14312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bee447cd54526260ac8831365348aca79cc4bcc424120dee9b460dd438159590
[INFO] running `Command { std: "docker" "start" "-a" "bee447cd54526260ac8831365348aca79cc4bcc424120dee9b460dd438159590", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `humans`
[INFO] [stdout]   --> src/game.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         humans: usize, // contains the number of human players for the game
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "bee447cd54526260ac8831365348aca79cc4bcc424120dee9b460dd438159590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee447cd54526260ac8831365348aca79cc4bcc424120dee9b460dd438159590", kill_on_drop: false }`
[INFO] [stdout] bee447cd54526260ac8831365348aca79cc4bcc424120dee9b460dd438159590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 93ea0c7229e519a5adcf4260676be9698e965482241a6f16cef47d5bf64b0152
[INFO] running `Command { std: "docker" "start" "-a" "93ea0c7229e519a5adcf4260676be9698e965482241a6f16cef47d5bf64b0152", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `humans`
[INFO] [stdout]   --> src/game.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         humans: usize, // contains the number of human players for the game
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "93ea0c7229e519a5adcf4260676be9698e965482241a6f16cef47d5bf64b0152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ea0c7229e519a5adcf4260676be9698e965482241a6f16cef47d5bf64b0152", kill_on_drop: false }`
[INFO] [stdout] 93ea0c7229e519a5adcf4260676be9698e965482241a6f16cef47d5bf64b0152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6e40c327a4daf8f6004157708333829dc0ef170541a866ef28cd9eeb96691f20
[INFO] running `Command { std: "docker" "start" "-a" "6e40c327a4daf8f6004157708333829dc0ef170541a866ef28cd9eeb96691f20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `humans`
[INFO] [stderr]   --> src/game.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         humans: usize, // contains the number of human players for the game
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `connect_four` (bin "connect_four" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect_four-657be986fb1fe594)
[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" "6e40c327a4daf8f6004157708333829dc0ef170541a866ef28cd9eeb96691f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e40c327a4daf8f6004157708333829dc0ef170541a866ef28cd9eeb96691f20", kill_on_drop: false }`
[INFO] [stdout] 6e40c327a4daf8f6004157708333829dc0ef170541a866ef28cd9eeb96691f20