[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] checking EmilyWinjum/connect-four-ish against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmilyWinjum%2Fconnect-four-ish" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EmilyWinjum/connect-four-ish on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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-10/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" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 053adedd67e1ccb5ced22573e12816d53663afa87a9b544df4a88ddfed06e9c8
[INFO] running `Command { std: "docker" "start" "-a" "053adedd67e1ccb5ced22573e12816d53663afa87a9b544df4a88ddfed06e9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "053adedd67e1ccb5ced22573e12816d53663afa87a9b544df4a88ddfed06e9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053adedd67e1ccb5ced22573e12816d53663afa87a9b544df4a88ddfed06e9c8", kill_on_drop: false }`
[INFO] [stdout] 053adedd67e1ccb5ced22573e12816d53663afa87a9b544df4a88ddfed06e9c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40dcee0e58ded53ebb39d091b9ea07f4d8969a8ae8cdf2fc7d8c2df78a7ded4a
[INFO] running `Command { std: "docker" "start" "-a" "40dcee0e58ded53ebb39d091b9ea07f4d8969a8ae8cdf2fc7d8c2df78a7ded4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "40dcee0e58ded53ebb39d091b9ea07f4d8969a8ae8cdf2fc7d8c2df78a7ded4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dcee0e58ded53ebb39d091b9ea07f4d8969a8ae8cdf2fc7d8c2df78a7ded4a", kill_on_drop: false }`
[INFO] [stdout] 40dcee0e58ded53ebb39d091b9ea07f4d8969a8ae8cdf2fc7d8c2df78a7ded4a