[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7b9d0c6cb18e9fadd618d65080e310494e567c5
[INFO] testing Ethan826/connect-four against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan826%2Fconnect-four" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ethan826/connect-four on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04765d0caf9c133b563b314123bab23ca475774d212b0761ef045fa53c8cc1e8
[INFO] running `Command { std: "docker" "start" "-a" "04765d0caf9c133b563b314123bab23ca475774d212b0761ef045fa53c8cc1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04765d0caf9c133b563b314123bab23ca475774d212b0761ef045fa53c8cc1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04765d0caf9c133b563b314123bab23ca475774d212b0761ef045fa53c8cc1e8", kill_on_drop: false }`
[INFO] [stdout] 04765d0caf9c133b563b314123bab23ca475774d212b0761ef045fa53c8cc1e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b9485c2a0e8cdefdbbb0177e26617d2e5bccf92f2ec54f6c60d40f44fb29216
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b9485c2a0e8cdefdbbb0177e26617d2e5bccf92f2ec54f6c60d40f44fb29216", 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 1.26s
[INFO] running `Command { std: "docker" "inspect" "5b9485c2a0e8cdefdbbb0177e26617d2e5bccf92f2ec54f6c60d40f44fb29216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9485c2a0e8cdefdbbb0177e26617d2e5bccf92f2ec54f6c60d40f44fb29216", kill_on_drop: false }`
[INFO] [stdout] 5b9485c2a0e8cdefdbbb0177e26617d2e5bccf92f2ec54f6c60d40f44fb29216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bec210bff1bd4b31394980411359ef9c7ca8c72b8fb8a6f4dd1f4000a560201
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0bec210bff1bd4b31394980411359ef9c7ca8c72b8fb8a6f4dd1f4000a560201", 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 1.74s
[INFO] running `Command { std: "docker" "inspect" "0bec210bff1bd4b31394980411359ef9c7ca8c72b8fb8a6f4dd1f4000a560201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bec210bff1bd4b31394980411359ef9c7ca8c72b8fb8a6f4dd1f4000a560201", kill_on_drop: false }`
[INFO] [stdout] 0bec210bff1bd4b31394980411359ef9c7ca8c72b8fb8a6f4dd1f4000a560201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c26d34092e7b252ff9fc45bde7cd590f390234ede465ce88c31ba1c720ee079b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c26d34092e7b252ff9fc45bde7cd590f390234ede465ce88c31ba1c720ee079b", 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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect_four-eca5b65b2ccf4e63
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect_four-fbf76aa3f5bb2e16
[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
[INFO] [stdout] 
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c26d34092e7b252ff9fc45bde7cd590f390234ede465ce88c31ba1c720ee079b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26d34092e7b252ff9fc45bde7cd590f390234ede465ce88c31ba1c720ee079b", kill_on_drop: false }`
[INFO] [stdout] c26d34092e7b252ff9fc45bde7cd590f390234ede465ce88c31ba1c720ee079b