[INFO] cloning repository https://github.com/Ethan826/connect-four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ethan826/connect-four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fconnect-four", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fconnect-four'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7b9d0c6cb18e9fadd618d65080e310494e567c5
[INFO] testing Ethan826/connect-four against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fconnect-four" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ethan826/connect-four on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ethan826/connect-four
[INFO] finished tweaking git repo https://github.com/Ethan826/connect-four
[INFO] tweaked toml for git repo https://github.com/Ethan826/connect-four written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/Ethan826/connect-four already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 453c6de980341fcd5da5ea8e5218684e2fd3c729c08e5a32d24c224ffae35cc0
[INFO] running `Command { std: "docker" "start" "-a" "453c6de980341fcd5da5ea8e5218684e2fd3c729c08e5a32d24c224ffae35cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "453c6de980341fcd5da5ea8e5218684e2fd3c729c08e5a32d24c224ffae35cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453c6de980341fcd5da5ea8e5218684e2fd3c729c08e5a32d24c224ffae35cc0", kill_on_drop: false }`
[INFO] [stdout] 453c6de980341fcd5da5ea8e5218684e2fd3c729c08e5a32d24c224ffae35cc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a28e43bddf295d4419f3c1267767aae3ae0c515afbc14001f383c0ec58644f92
[INFO] running `Command { std: "docker" "start" "-a" "a28e43bddf295d4419f3c1267767aae3ae0c515afbc14001f383c0ec58644f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `longest_runs`
[INFO] [stdout]    --> src/game.rs:128:37
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn score_incomplete_game(&self, longest_runs: &LongestRuns) -> isize {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest_runs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 0.68s
[INFO] running `Command { std: "docker" "inspect" "a28e43bddf295d4419f3c1267767aae3ae0c515afbc14001f383c0ec58644f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28e43bddf295d4419f3c1267767aae3ae0c515afbc14001f383c0ec58644f92", kill_on_drop: false }`
[INFO] [stdout] a28e43bddf295d4419f3c1267767aae3ae0c515afbc14001f383c0ec58644f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83dca219f0d5b084cfed3868779ba23f6980580634cf042e0a968d0f95f184a1
[INFO] running `Command { std: "docker" "start" "-a" "83dca219f0d5b084cfed3868779ba23f6980580634cf042e0a968d0f95f184a1", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `longest_runs`
[INFO] [stdout]    --> src/game.rs:128:37
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn score_incomplete_game(&self, longest_runs: &LongestRuns) -> isize {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest_runs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `longest_runs`
[INFO] [stdout]    --> src/game.rs:128:37
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn score_incomplete_game(&self, longest_runs: &LongestRuns) -> isize {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest_runs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "83dca219f0d5b084cfed3868779ba23f6980580634cf042e0a968d0f95f184a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83dca219f0d5b084cfed3868779ba23f6980580634cf042e0a968d0f95f184a1", kill_on_drop: false }`
[INFO] [stdout] 83dca219f0d5b084cfed3868779ba23f6980580634cf042e0a968d0f95f184a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b98401b1cdfcb88321c0da52f1c7883f4a6e64aecdcc59e1116b8fef7dedf82f
[INFO] running `Command { std: "docker" "start" "-a" "b98401b1cdfcb88321c0da52f1c7883f4a6e64aecdcc59e1116b8fef7dedf82f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `longest_runs`
[INFO] [stderr]    --> src/game.rs:128:37
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn score_incomplete_game(&self, longest_runs: &LongestRuns) -> isize {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest_runs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `connect_four` (lib) generated 1 warning
[INFO] [stderr] warning: `connect_four` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect_four-d5ed22280195aea0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test game::test_new_empty_game_invalid ... ok
[INFO] [stdout] test game::test_new_empty_game_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect_four-4e9a82b22f0eeae9)
[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] [stderr]    Doc-tests connect_four
[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" "b98401b1cdfcb88321c0da52f1c7883f4a6e64aecdcc59e1116b8fef7dedf82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98401b1cdfcb88321c0da52f1c7883f4a6e64aecdcc59e1116b8fef7dedf82f", kill_on_drop: false }`
[INFO] [stdout] b98401b1cdfcb88321c0da52f1c7883f4a6e64aecdcc59e1116b8fef7dedf82f