[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-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmilyWinjum%2Fconnect-four-ish" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EmilyWinjum/connect-four-ish on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-16/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-2022-02-22" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f964f3da2d81983922a3711aab5ec0f7aa8a4c00bd11da23a1ccd3653eef41c0
[INFO] running `Command { std: "docker" "start" "-a" "f964f3da2d81983922a3711aab5ec0f7aa8a4c00bd11da23a1ccd3653eef41c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f964f3da2d81983922a3711aab5ec0f7aa8a4c00bd11da23a1ccd3653eef41c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f964f3da2d81983922a3711aab5ec0f7aa8a4c00bd11da23a1ccd3653eef41c0", kill_on_drop: false }`
[INFO] [stdout] f964f3da2d81983922a3711aab5ec0f7aa8a4c00bd11da23a1ccd3653eef41c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6623d2d822203dfb6469db06f93c42ef3458591642f4c57ff188abd002d53ac9
[INFO] running `Command { std: "docker" "start" "-a" "6623d2d822203dfb6469db06f93c42ef3458591642f4c57ff188abd002d53ac9", 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 dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "6623d2d822203dfb6469db06f93c42ef3458591642f4c57ff188abd002d53ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6623d2d822203dfb6469db06f93c42ef3458591642f4c57ff188abd002d53ac9", kill_on_drop: false }`
[INFO] [stdout] 6623d2d822203dfb6469db06f93c42ef3458591642f4c57ff188abd002d53ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6100a761cb131147b5b3dad5a764436b5ad259c2ed26152222a8825e069734e
[INFO] running `Command { std: "docker" "start" "-a" "f6100a761cb131147b5b3dad5a764436b5ad259c2ed26152222a8825e069734e", 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "f6100a761cb131147b5b3dad5a764436b5ad259c2ed26152222a8825e069734e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6100a761cb131147b5b3dad5a764436b5ad259c2ed26152222a8825e069734e", kill_on_drop: false }`
[INFO] [stdout] f6100a761cb131147b5b3dad5a764436b5ad259c2ed26152222a8825e069734e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7af6293aa0ab1303e042706e7b6a72aecb2053b35f2fb8c256953e82142a3a83
[INFO] running `Command { std: "docker" "start" "-a" "7af6293aa0ab1303e042706e7b6a72aecb2053b35f2fb8c256953e82142a3a83", 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 0.07s
[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" "7af6293aa0ab1303e042706e7b6a72aecb2053b35f2fb8c256953e82142a3a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af6293aa0ab1303e042706e7b6a72aecb2053b35f2fb8c256953e82142a3a83", kill_on_drop: false }`
[INFO] [stdout] 7af6293aa0ab1303e042706e7b6a72aecb2053b35f2fb8c256953e82142a3a83