[INFO] cloning repository https://github.com/jalpert/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jalpert/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdaee32911fd080c03bfb878539f4a701f15af58
[INFO] testing jalpert/rust-chess against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jalpert/rust-chess on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jalpert/rust-chess
[INFO] finished tweaking git repo https://github.com/jalpert/rust-chess
[INFO] tweaked toml for git repo https://github.com/jalpert/rust-chess written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jalpert/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd8d7cb5c2d10b1471e442caf8dd88c75e02a5f4601bc112acbd8e3c9f37eca9
[INFO] running `Command { std: "docker" "start" "-a" "dd8d7cb5c2d10b1471e442caf8dd88c75e02a5f4601bc112acbd8e3c9f37eca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8d7cb5c2d10b1471e442caf8dd88c75e02a5f4601bc112acbd8e3c9f37eca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8d7cb5c2d10b1471e442caf8dd88c75e02a5f4601bc112acbd8e3c9f37eca9", kill_on_drop: false }`
[INFO] [stdout] dd8d7cb5c2d10b1471e442caf8dd88c75e02a5f4601bc112acbd8e3c9f37eca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2ca1ee8e7b3ef4f5d594b476ead607da02dc8a006dabc7fb1edbb4a29c0c40
[INFO] running `Command { std: "docker" "start" "-a" "bf2ca1ee8e7b3ef4f5d594b476ead607da02dc8a006dabc7fb1edbb4a29c0c40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/board/factory.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn empty(player: Color, turn_no: u8) -> Board {
[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 7.79s
[INFO] running `Command { std: "docker" "inspect" "bf2ca1ee8e7b3ef4f5d594b476ead607da02dc8a006dabc7fb1edbb4a29c0c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2ca1ee8e7b3ef4f5d594b476ead607da02dc8a006dabc7fb1edbb4a29c0c40", kill_on_drop: false }`
[INFO] [stdout] bf2ca1ee8e7b3ef4f5d594b476ead607da02dc8a006dabc7fb1edbb4a29c0c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2701c4b5cfc04f6d9888734e9d9a2f404f8ebe6d6087d6450810013bb5858495
[INFO] running `Command { std: "docker" "start" "-a" "2701c4b5cfc04f6d9888734e9d9a2f404f8ebe6d6087d6450810013bb5858495", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "2701c4b5cfc04f6d9888734e9d9a2f404f8ebe6d6087d6450810013bb5858495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2701c4b5cfc04f6d9888734e9d9a2f404f8ebe6d6087d6450810013bb5858495", kill_on_drop: false }`
[INFO] [stdout] 2701c4b5cfc04f6d9888734e9d9a2f404f8ebe6d6087d6450810013bb5858495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 061de621d2ac045cb6d3a700b94868d8e7ab6480e0e97f5e85b918ba9ce68152
[INFO] running `Command { std: "docker" "start" "-a" "061de621d2ac045cb6d3a700b94868d8e7ab6480e0e97f5e85b918ba9ce68152", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-09b94d117c3c7c7b)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test board::check::tests::integration_test ... ok
[INFO] [stdout] test board::path::tests::empty_rows_are_clear ... ok
[INFO] [stdout] test board::path::tests::diagonal_not_diagonal ... ok
[INFO] [stdout] test board::path::tests::occupied_rows_are_not_clear ... ok
[INFO] [stdout] test board::path::tests::diagonal_decreasing_increasing ... ok
[INFO] [stdout] test board::path::tests::pawns_have_clear_paths ... ok
[INFO] [stdout] test board::path::tests::diagonal_increasing_increasing ... ok
[INFO] [stdout] test board::path::tests::diagonal_decreasing_decreasing ... ok
[INFO] [stdout] test board::check::tests::test_vertical_check ... ok
[INFO] [stdout] test board::check::tests::test_pinning_double ... ok
[INFO] [stdout] test board::check::tests::test_pinning_single ... ok
[INFO] [stdout] test board::path::tests::test_directed_path ... ok
[INFO] [stdout] test board::check::tests::test_knights_check ... ok
[INFO] [stdout] test board::check::tests::test_kings_check ... ok
[INFO] [stdout] test board::check::tests::test_pawns_check_black ... ok
[INFO] [stdout] test board::check::tests::test_pawns_check_white ... ok
[INFO] [stdout] test board::check::tests::test_horizonal_check ... ok
[INFO] [stdout] test board::check::tests::test_diagonal_check ... ok
[INFO] [stdout] test board::check::tests::test_num_checking ... ok
[INFO] [stdout] test board::path::tests::diagonal_increasing_decreasing ... ok
[INFO] [stdout] test board::path::tests::test_diagonal_path ... ok
[INFO] [stdout] test board::tests::test_find_king ... ok
[INFO] [stdout] test board::tests::test_find_pieces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "061de621d2ac045cb6d3a700b94868d8e7ab6480e0e97f5e85b918ba9ce68152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061de621d2ac045cb6d3a700b94868d8e7ab6480e0e97f5e85b918ba9ce68152", kill_on_drop: false }`
[INFO] [stdout] 061de621d2ac045cb6d3a700b94868d8e7ab6480e0e97f5e85b918ba9ce68152